diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 7a8b61d..f23d05c 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -264,14 +264,6 @@
             android:theme="@style/BugleTheme"
             android:parentActivityName="com.android.messaging.ui.conversation.ConversationActivity" />
 
-        <activity
-            android:name=".ui.debug.DebugMmsConfigActivity"
-            android:configChanges="orientation|screenSize|keyboardHidden"
-            android:screenOrientation="user"
-            android:theme="@style/BugleTheme.DialogActivity"
-            android:exported="false">
-        </activity>
-
         <provider android:name=".datamodel.MessagingContentProvider" android:label="@string/app_name"
                   android:authorities="com.android.messaging.datamodel.MessagingContentProvider"
                   android:exported="false" >
@@ -371,18 +363,6 @@
                   android:excludeFromRecents="true">
         </activity>
 
-        <activity android:name=".ui.appsettings.ApnSettingsActivity"
-                  android:configChanges="orientation|screenSize|keyboardHidden"
-                  android:screenOrientation="user"
-                  android:theme="@style/BugleTheme"
-                  android:parentActivityName="com.android.messaging.ui.appsettings.SettingsActivity" />
-
-        <activity android:name=".ui.appsettings.ApnEditorActivity"
-                  android:configChanges="orientation|screenSize|keyboardHidden"
-                  android:screenOrientation="user"
-                  android:theme="@style/BugleTheme"
-                  android:parentActivityName="com.android.messaging.ui.appsettings.ApnSettingsActivity"/>
-
         <receiver android:name=".receiver.BootAndPackageReplacedReceiver"
             android:exported="true">
             <intent-filter>
diff --git a/res/layout/apn_preference_layout.xml b/res/layout/apn_preference_layout.xml
deleted file mode 100644
index 12693d4..0000000
--- a/res/layout/apn_preference_layout.xml
+++ /dev/null
@@ -1,69 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-    Copyright (C) 2015 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-
-<!--
-    This is the layout file for an ApnPreference in the ApnSettingsActivity. The preference
-    is a list item.
--->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:minHeight="?android:attr/listPreferredItemHeight"
-    android:gravity="center_vertical"
-    style="@style/ApnPreferenceLayoutStyle">
-
-    <RelativeLayout
-        android:id="@+id/text_layout"
-        android:layout_width="0dip"
-        android:layout_height="match_parent"
-        android:gravity="center_vertical"
-        android:layout_weight="1"
-        android:focusable="true"
-        android:background="?android:attr/selectableItemBackground">
-
-        <TextView
-            android:id="@android:id/title"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:focusable="true"
-            android:singleLine="true"
-            android:textAppearance="?android:attr/textAppearanceListItem" />
-
-        <TextView
-            android:id="@android:id/summary"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_below="@android:id/title"
-            android:layout_alignStart="@android:id/title"
-            android:textAppearance="?android:attr/textAppearanceListItemSecondary"
-            android:textColor="?android:attr/textColorSecondary"
-            android:maxLines="2" />
-
-    </RelativeLayout>
-
-    <RadioButton
-        android:id="@+id/apn_radiobutton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="8dip"
-        android:layout_marginEnd="8dip"
-        android:layout_gravity="center_vertical"
-        android:clickable="true" />
-
-</LinearLayout>
diff --git a/res/layout/debug_mmsconfig_activity.xml b/res/layout/debug_mmsconfig_activity.xml
deleted file mode 100644
index 4056317..0000000
--- a/res/layout/debug_mmsconfig_activity.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-    Copyright (C) 2015 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<fragment
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    class="com.android.messaging.ui.debug.DebugMmsConfigFragment"
-    android:id="@+id/debug_mmsconfig_fragment"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent" />
\ No newline at end of file
diff --git a/res/layout/debug_mmsconfig_item_view.xml b/res/layout/debug_mmsconfig_item_view.xml
deleted file mode 100644
index a825ee5..0000000
--- a/res/layout/debug_mmsconfig_item_view.xml
+++ /dev/null
@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-    Copyright (C) 2015 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<com.android.messaging.ui.debug.DebugMmsConfigItemView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="horizontal"
-    android:layout_width="match_parent"
-    android:layout_height="56dp"
-    android:background="@android:color/background_light"
-    android:gravity="center_vertical"
-    android:clickable="true"
-    style="@style/DebugMmsConfigItemStyle" >
-    <TextView
-        android:id="@+id/title"
-        android:layout_width="0dp"
-        android:layout_weight="1"
-        android:layout_height="match_parent"
-        android:singleLine="true"
-        android:maxLines="1"
-        android:gravity="center_vertical"/>
-    <Switch
-        android:id="@+id/switch_button"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:visibility="gone" />
-    <TextView
-        android:id="@+id/text_value"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:singleLine="true"
-        android:gravity="center_vertical"
-        android:visibility="gone"/>
-</com.android.messaging.ui.debug.DebugMmsConfigItemView>
diff --git a/res/layout/debug_sms_mms_from_dump_file_dialog.xml b/res/layout/debug_sms_mms_from_dump_file_dialog.xml
deleted file mode 100644
index 342f489..0000000
--- a/res/layout/debug_sms_mms_from_dump_file_dialog.xml
+++ /dev/null
@@ -1,32 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-    Copyright (C) 2015 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<FrameLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:padding="6dp"
-    android:background="@color/conversation_background"
-    >
-
-    <ListView android:id="@+id/dump_file_list"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_weight="1"
-        android:drawSelectorOnTop="false"
-        android:longClickable="false"/>
-
-</FrameLayout>
diff --git a/res/layout/mms_config_debug_fragment.xml b/res/layout/mms_config_debug_fragment.xml
deleted file mode 100644
index 27528f9..0000000
--- a/res/layout/mms_config_debug_fragment.xml
+++ /dev/null
@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-    Copyright (C) 2015 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        android:layout_margin="16dp">
-        <TextView
-            android:id="@+id/sim_title"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/debug_sub_id_spinner_text" />
-        <Spinner
-            android:id="@+id/sim_selector"
-            android:layout_width="0dp"
-            android:layout_weight="1"
-            android:layout_height="wrap_content" />
-    </LinearLayout>
-
-    <View
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="#555555" />
-
-    <ListView
-        android:id="@android:id/list"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1"
-        android:divider="@null"
-        android:dividerHeight="0px" />
-
-</LinearLayout>
\ No newline at end of file
diff --git a/res/menu/archived_conversation_list_menu.xml b/res/menu/archived_conversation_list_menu.xml
deleted file mode 100644
index a3a2a19..0000000
--- a/res/menu/archived_conversation_list_menu.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-    Copyright (C) 2015 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools" >
-    <item
-        android:id="@+id/action_debug_options"
-        android:orderInCategory="9900"
-        android:title="@string/action_debug_options"
-        android:showAsAction="never"/>
-
-</menu>
diff --git a/res/menu/conversation_list_fragment_menu.xml b/res/menu/conversation_list_fragment_menu.xml
index a83a2a5..e0a848f 100644
--- a/res/menu/conversation_list_fragment_menu.xml
+++ b/res/menu/conversation_list_fragment_menu.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
     Copyright (C) 2015 The Android Open Source Project
+    Copyright (C) 2024 The LineageOS Project
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -42,10 +43,4 @@
         android:title="@string/action_settings"
         appcompat:showAsAction="never"/>
 
-    <item
-        android:id="@+id/action_debug_options"
-        android:orderInCategory="9900"
-        android:title="@string/action_debug_options"
-        appcompat:showAsAction="never"/>
-
 </menu>
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index 233cf9c..8405871 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
     Copyright (C) 2015 The Android Open Source Project
+    Copyright (C) 2024 The LineageOS Project
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -57,5 +58,4 @@
             <enum name="subcompact" value="2" />
         </attr>
     </declare-styleable>
-    <attr name="apnPreferenceStyle" format="reference" />
 </resources>
diff --git a/res/values/constants.xml b/res/values/constants.xml
index 7da36a1..11a4611 100644
--- a/res/values/constants.xml
+++ b/res/values/constants.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
     Copyright (C) 2015 The Android Open Source Project
+    Copyright (C) 2024 The LineageOS Project
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -45,21 +46,12 @@
     <string name="wireless_alerts_key" translatable="false">buglesub_wireless_alerts_key</string>
     <string name="apn_list_pref_key" translatable="false">buglesub_apn_list</string>
 
-    <!-- Debug preferences -->
-    <string name="debug_pref_key" translatable="false">debug_category</string>
-    <string name="dump_sms_pref_key" translatable="false">dump_sms</string>
-    <bool name="dump_sms_pref_default" translatable="false">false</bool>
-    <string name="dump_mms_pref_key" translatable="false">dump_mms</string>
-    <bool name="dump_mms_pref_default" translatable="false">false</bool>
-
-
     <!-- SMS/MMS settings keys -->
     <!--
     TODO: Several of these are currently unused but are expected to be needed to
     implement SMS/MMS delivery and basic settings. Once we have the core functionality in place
     we should do a pass to remove any unused values here.
     -->
-    <string name="sms_apns_key" translatable="false">sms_apns_key</string>
     <string name="use_local_apn_pref_key" translatable="false">use_local_apn_pref_key</string>
     <bool name="use_local_apn_pref_default" translatable="false">false</bool>
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 8b6508b..df42c86 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -688,50 +688,6 @@
     <!-- Label for new message button in share intent dialog -->
     <string name="share_cancel">Cancel</string>
 
-    <!-- Screen title after user selects APNs setting option -->
-    <string name="apn_edit">Edit access point</string>
-    <!-- Edit access point label summary text when no value has been set -->
-    <string name="apn_not_set">Not set</string>
-    <!-- Edit access point labels: A label the user can give to the APN to allow him to differentiate it from the others -->
-    <string name="apn_name">Name</string>
-    <!-- Edit access point labels: -->
-    <string name="apn_mmsc">MMSC</string>
-    <!-- Edit access point labels: The proxy to use for MMS (multimedia messages)-->
-    <string name="apn_mms_proxy">MMS proxy</string>
-    <!-- Edit access point labels: The port on the proxy used for MMS-->
-    <string name="apn_mms_port">MMS port</string>
-    <!-- Edit access point labels: -->
-    <string name="apn_mcc">MCC</string>
-    <!-- Edit access point labels: -->
-    <string name="apn_mnc">MNC</string>
-    <!-- Edit access point screen menu option to delete this APN -->
-    <string name="menu_delete_apn">Delete APN</string>
-    <!-- APNs screen menu option to create a brand spanking new APN -->
-    <string name="menu_new_apn">New APN</string>
-    <!-- Edit access point screen menu option to save the user's changes for this APN to the persistent storage -->
-    <string name="menu_save_apn">Save</string>
-    <!-- Edit access point screen menu option to discard the user's changes for this APN -->
-    <string name="menu_discard_apn_change">Discard</string>
-    <!-- APN error dialog messages: -->
-    <string name="error_apn_name_empty">The Name field can\'t be empty.</string>
-    <!-- APN error dialog messages: -->
-    <string name="error_mcc_not3">MCC field must be 3 digits.</string>
-    <!-- APN error dialog messages: -->
-    <string name="error_mnc_not23">MNC field must be 2 or 3 digits.</string>
-    <!-- The message of dialog indicated restoring default APN settings in progress -->
-    <string name="restore_default_apn">Restoring default APN settings.</string>
-    <!-- APNs screen menu option to reset default APN settings -->
-    <string name="menu_restore_default_apn">Reset to default</string>
-    <!-- APNs screen toast message to inform reset default APN settings is completed -->
-    <string name="restore_default_apn_completed">Reset default APN settings completed.</string>
-    <!-- Name to assign to a Network Access Point that was saved without a name -->
-    <string name="untitled_apn">Untitled</string>
-    <!-- Title for Access Point Names settings -->
-    <string name="sms_apns_title">Access Point Names</string>
-    <!-- Title for Access Point Names settings activity -->
-    <string name="apn_settings">APNs</string>
-    <!-- Error message for users that aren't allowed to modify Access Point Names settings [CHAR LIMIT=none] -->
-    <string name="apn_settings_not_available">Access Point Name settings are not available for this user</string>
     <!-- Alert dialog title to copy information displayed in dialog to system clipboard. -->
     <string name="copy_to_clipboard_dialog_title">Copy to clipboard?</string>
     <!-- Alert dialog accept to copy information displayed in dialog to system clipboard. -->
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 634b4c8..3f9df48 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -34,7 +34,6 @@
          <item name="colorAccent">@color/lineage_accent</item>
          <item name="android:textColorHighlight">@color/text_highlight_color</item>
          <item name="actionBarStyle">@style/BugleActionBar</item>
-         <item name="apnPreferenceStyle">@style/ApnPreference</item>
          <item name="alertDialogTheme">@style/AlertDialogTheme</item>
     </style>
 
@@ -466,15 +465,6 @@
         <item name="colorAccent">@color/search_view_text_cursor</item>
     </style>
 
-    <style name="ApnPreference">
-        <item name="android:layout">@layout/apn_preference_layout</item>
-    </style>
-
-    <style name="ApnPreferenceLayoutStyle">
-        <item name="android:paddingStart">?android:attr/listPreferredItemPaddingStart</item>
-        <item name="android:paddingEnd">?android:attr/listPreferredItemPaddingEnd</item>
-    </style>
-
     <style name="SettingsListItem">
         <item name="android:textSize">@dimen/settings_list_text_size</item>
         <item name="android:textColor">@color/settings_list_text_primary</item>
diff --git a/res/xml/apn_editor.xml b/res/xml/apn_editor.xml
deleted file mode 100644
index 5afaeb5..0000000
--- a/res/xml/apn_editor.xml
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-    Copyright (C) 2015 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
-        android:title="@string/apn_edit">
-    <EditTextPreference
-        android:title="@string/apn_name"
-        android:dialogTitle="@string/apn_name"
-        android:key="apn_name"
-        android:singleLine="true"
-        android:inputType="text"
-        />
-    <EditTextPreference
-        android:title="@string/apn_mmsc"
-        android:dialogTitle="@string/apn_mmsc"
-        android:key="apn_mmsc"
-        android:singleLine="true"
-        android:inputType="textUri"
-        />
-    <EditTextPreference
-        android:title="@string/apn_mms_proxy"
-        android:dialogTitle="@string/apn_mms_proxy"
-        android:key="apn_mms_proxy"
-        android:singleLine="true"
-        android:inputType="textUri"
-        />
-    <EditTextPreference
-        android:title="@string/apn_mms_port"
-        android:dialogTitle="@string/apn_mms_port"
-        android:key="apn_mms_port"
-        android:singleLine="true"
-        android:inputType="number"
-        />
-    <EditTextPreference
-        android:title="@string/apn_mcc"
-        android:dialogTitle="@string/apn_mcc"
-        android:key="apn_mcc"
-        android:singleLine="true"
-        android:inputType="number"
-        />
-    <EditTextPreference
-        android:title="@string/apn_mnc"
-        android:dialogTitle="@string/apn_mnc"
-        android:key="apn_mnc"
-        android:singleLine="true"
-        android:inputType="number"
-        />
-</PreferenceScreen>
diff --git a/res/xml/apn_settings.xml b/res/xml/apn_settings.xml
deleted file mode 100644
index 61a8b5b..0000000
--- a/res/xml/apn_settings.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-    Copyright (C) 2015 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
-        android:title="@string/apn_settings" android:key="@string/apn_list_pref_key">
-</PreferenceScreen>
diff --git a/res/xml/preferences_application.xml b/res/xml/preferences_application.xml
index 788eea2..323fce3 100644
--- a/res/xml/preferences_application.xml
+++ b/res/xml/preferences_application.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
     Copyright (C) 2015 The Android Open Source Project
+    Copyright (C) 2024 The LineageOS Project
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -57,23 +58,4 @@
     <PreferenceScreen
             android:key="@string/advanced_pref_key"
             android:title="@string/advanced_settings" />
-
-    <PreferenceCategory
-        android:key="@string/debug_pref_key"
-        android:title="@string/debug_category_pref_title">
-
-        <CheckBoxPreference
-            android:key="@string/dump_sms_pref_key"
-            android:title="@string/dump_sms_pref_title"
-            android:summary="@string/dump_sms_pref_summary"
-            android:defaultValue="@bool/dump_sms_pref_default" />
-
-        <CheckBoxPreference
-            android:key="@string/dump_mms_pref_key"
-            android:title="@string/dump_mms_pref_title"
-            android:summary="@string/dump_mms_pref_summary"
-            android:defaultValue="@bool/dump_mms_pref_default" />
-
-    </PreferenceCategory>
-
 </PreferenceScreen>
diff --git a/res/xml/preferences_per_subscription.xml b/res/xml/preferences_per_subscription.xml
index 9696df0..187c7c2 100644
--- a/res/xml/preferences_per_subscription.xml
+++ b/res/xml/preferences_per_subscription.xml
@@ -55,9 +55,5 @@
             android:summary="@string/delivery_reports_pref_summary"
             android:defaultValue="@bool/delivery_reports_pref_default" />
 
-        <PreferenceScreen
-            android:key="@string/sms_apns_key"
-            android:title="@string/sms_apns_title" />
-
     </PreferenceCategory>
 </PreferenceScreen>
diff --git a/src/android/support/v7/mms/MmsManager.java b/src/android/support/v7/mms/MmsManager.java
index 9c09f8c..a7e48a6 100644
--- a/src/android/support/v7/mms/MmsManager.java
+++ b/src/android/support/v7/mms/MmsManager.java
@@ -33,21 +33,9 @@ public class MmsManager {
      */
     public static final int DEFAULT_SUB_ID = -1;
 
-    // Whether to force legacy MMS sending
-    private static volatile boolean sForceLegacyMms = false;
-
     // Cached computed overrides for carrier configuration values
     private static final SparseArray<Bundle> sConfigOverridesMap = new SparseArray<>();
 
-    /**
-     * Set the flag about whether to force to use legacy system APIs instead of system MMS API
-     *
-     * @param forceLegacyMms value to set
-     */
-    public static void setForceLegacyMms(boolean forceLegacyMms) {
-        sForceLegacyMms = forceLegacyMms;
-    }
-
     /**
      * Set the size of thread pool for request execution.
      *
@@ -136,14 +124,10 @@ public class MmsManager {
      */
     public static void sendMultimediaMessage(int subId, Context context, Uri contentUri,
             String locationUrl, PendingIntent sentIntent) {
-        if (shouldUseLegacyMms()) {
-            MmsService.startRequest(context, new SendRequest(locationUrl, contentUri, sentIntent));
-        } else {
-            subId = Utils.getEffectiveSubscriptionId(subId);
-            final SmsManager smsManager = Utils.getSmsManager(subId);
-            smsManager.sendMultimediaMessage(context, contentUri, locationUrl,
-                    getConfigOverrides(subId), sentIntent);
-        }
+        subId = Utils.getEffectiveSubscriptionId(subId);
+        final SmsManager smsManager = Utils.getSmsManager(subId);
+        smsManager.sendMultimediaMessage(context, contentUri, locationUrl,
+                getConfigOverrides(subId), sentIntent);
     }
 
     /**
@@ -158,24 +142,10 @@ public class MmsManager {
      */
     public static void downloadMultimediaMessage(int subId, Context context, String locationUrl,
             Uri contentUri, PendingIntent downloadedIntent) {
-        if (shouldUseLegacyMms()) {
-            MmsService.startRequest(context,
-                    new DownloadRequest(locationUrl, contentUri, downloadedIntent));
-        } else {
-            subId = Utils.getEffectiveSubscriptionId(subId);
-            final SmsManager smsManager = Utils.getSmsManager(subId);
-            smsManager.downloadMultimediaMessage(context, locationUrl, contentUri,
-                    getConfigOverrides(subId), downloadedIntent);
-        }
-    }
-
-    /**
-     * Checks if we should use legacy APIs for MMS.
-     *
-     * @return true if forced to use legacy APIs or platform doesn't supports MMS APIs.
-     */
-    public static boolean shouldUseLegacyMms() {
-        return sForceLegacyMms;
+        subId = Utils.getEffectiveSubscriptionId(subId);
+        final SmsManager smsManager = Utils.getSmsManager(subId);
+        smsManager.downloadMultimediaMessage(context, locationUrl, contentUri,
+                getConfigOverrides(subId), downloadedIntent);
     }
 
     /**
diff --git a/src/com/android/messaging/BugleApplication.java b/src/com/android/messaging/BugleApplication.java
index 7d1f7e0..362ba3c 100644
--- a/src/com/android/messaging/BugleApplication.java
+++ b/src/com/android/messaging/BugleApplication.java
@@ -38,9 +38,6 @@ import com.android.messaging.sms.BugleApnSettingsLoader;
 import com.android.messaging.sms.BugleUserAgentInfoLoader;
 import com.android.messaging.sms.MmsConfig;
 import com.android.messaging.ui.ConversationDrawables;
-import com.android.messaging.util.BugleGservices;
-import com.android.messaging.util.BugleGservicesKeys;
-import com.android.messaging.util.BuglePrefs;
 import com.android.messaging.util.BuglePrefsKeys;
 import com.android.messaging.util.DebugUtils;
 import com.android.messaging.util.LogUtil;
@@ -83,8 +80,6 @@ public class BugleApplication extends Application implements UncaughtExceptionHa
     public void initializeSync(final Factory factory) {
         Trace.beginSection("app.initializeSync");
         final Context context = factory.getApplicationContext();
-        final BugleGservices bugleGservices = factory.getBugleGservices();
-        final BuglePrefs buglePrefs = factory.getApplicationPrefs();
         final DataModel dataModel = factory.getDataModel();
         final CarrierConfigValuesLoader carrierConfigValuesLoader =
                 factory.getCarrierConfigValuesLoader();
@@ -94,7 +89,7 @@ public class BugleApplication extends Application implements UncaughtExceptionHa
         BugleApplication.updateAppConfig(context);
 
         // Initialize MMS lib
-        initMmsLib(context, bugleGservices, carrierConfigValuesLoader);
+        initMmsLib(context, carrierConfigValuesLoader);
         // Initialize APN database
         ApnDatabase.initializeAppContext(context);
         // Fixup messages in flight if we crashed and send any pending
@@ -116,21 +111,12 @@ public class BugleApplication extends Application implements UncaughtExceptionHa
         Context.RECEIVER_EXPORTED/*UNAUDITED*/);
     }
 
-    private static void initMmsLib(final Context context, final BugleGservices bugleGservices,
+    private static void initMmsLib(final Context context,
             final CarrierConfigValuesLoader carrierConfigValuesLoader) {
         MmsManager.setApnSettingsLoader(new BugleApnSettingsLoader(context));
         MmsManager.setCarrierConfigValuesLoader(carrierConfigValuesLoader);
         MmsManager.setUserAgentInfoLoader(new BugleUserAgentInfoLoader(context));
         MmsManager.setUseWakeLock(true);
-        // If Gservices is configured not to use mms api, force MmsManager to always use
-        // legacy mms sending logic
-        MmsManager.setForceLegacyMms(!bugleGservices.getBoolean(
-                BugleGservicesKeys.USE_MMS_API_IF_PRESENT,
-                BugleGservicesKeys.USE_MMS_API_IF_PRESENT_DEFAULT));
-        bugleGservices.registerForChanges(() -> MmsManager.setForceLegacyMms(
-                !bugleGservices.getBoolean(
-                        BugleGservicesKeys.USE_MMS_API_IF_PRESENT,
-                        BugleGservicesKeys.USE_MMS_API_IF_PRESENT_DEFAULT)));
     }
 
     public static void updateAppConfig(final Context context) {
diff --git a/src/com/android/messaging/Factory.java b/src/com/android/messaging/Factory.java
index c542a54..fdbb75b 100644
--- a/src/com/android/messaging/Factory.java
+++ b/src/com/android/messaging/Factory.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,7 +27,6 @@ import com.android.messaging.datamodel.media.MediaResourceManager;
 import com.android.messaging.sms.BugleCarrierConfigValuesLoader;
 import com.android.messaging.ui.UIIntents;
 import com.android.messaging.util.Assert;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BuglePrefs;
 import com.android.messaging.util.MediaUtil;
 import com.android.messaging.util.PhoneUtils;
@@ -56,7 +56,6 @@ public abstract class Factory {
 
     public abstract Context getApplicationContext();
     public abstract DataModel getDataModel();
-    public abstract BugleGservices getBugleGservices();
     public abstract BuglePrefs getApplicationPrefs();
     public abstract BuglePrefs getSubscriptionPrefs(int subId);
     public abstract BuglePrefs getWidgetPrefs();
diff --git a/src/com/android/messaging/FactoryImpl.java b/src/com/android/messaging/FactoryImpl.java
index 7901ae5..5870626 100644
--- a/src/com/android/messaging/FactoryImpl.java
+++ b/src/com/android/messaging/FactoryImpl.java
@@ -35,8 +35,6 @@ import com.android.messaging.ui.UIIntents;
 import com.android.messaging.ui.UIIntentsImpl;
 import com.android.messaging.util.Assert;
 import com.android.messaging.util.BugleApplicationPrefs;
-import com.android.messaging.util.BugleGservices;
-import com.android.messaging.util.BugleGservicesImpl;
 import com.android.messaging.util.BuglePrefs;
 import com.android.messaging.util.BugleSubscriptionPrefs;
 import com.android.messaging.util.BugleWidgetPrefs;
@@ -51,7 +49,6 @@ import java.util.concurrent.ConcurrentHashMap;
 class FactoryImpl extends Factory {
     private BugleApplication mApplication;
     private DataModel mDataModel;
-    private BugleGservices mBugleGservices;
     private BugleApplicationPrefs mBugleApplicationPrefs;
     private BugleWidgetPrefs mBugleWidgetPrefs;
     private Context mApplicationContext;
@@ -89,7 +86,6 @@ class FactoryImpl extends Factory {
         factory.mMemoryCacheManager = new MemoryCacheManager();
         factory.mMediaCacheManager = new BugleMediaCacheManager();
         factory.mMediaResourceManager = new MediaResourceManager();
-        factory.mBugleGservices = new BugleGservicesImpl(applicationContext);
         factory.mBugleApplicationPrefs = new BugleApplicationPrefs(applicationContext);
         factory.mDataModel = new DataModelImpl(applicationContext);
         factory.mBugleWidgetPrefs = new BugleWidgetPrefs(applicationContext);
@@ -99,9 +95,6 @@ class FactoryImpl extends Factory {
         factory.mSubscriptionPrefs = new SparseArray<BugleSubscriptionPrefs>();
         factory.mCarrierConfigValuesLoader = new BugleCarrierConfigValuesLoader(applicationContext);
 
-        Assert.initializeGservices(factory.mBugleGservices);
-        LogUtil.initializeGservices(factory.mBugleGservices);
-
         if (OsUtil.hasRequiredPermissions()) {
             factory.onRequiredPermissionsAcquired();
         }
@@ -135,11 +128,6 @@ class FactoryImpl extends Factory {
         return mDataModel;
     }
 
-    @Override
-    public BugleGservices getBugleGservices() {
-        return mBugleGservices;
-    }
-
     @Override
     public BuglePrefs getApplicationPrefs() {
         return mBugleApplicationPrefs;
diff --git a/src/com/android/messaging/datamodel/BugleNotifications.java b/src/com/android/messaging/datamodel/BugleNotifications.java
index b4be6fe..c1af8a2 100644
--- a/src/com/android/messaging/datamodel/BugleNotifications.java
+++ b/src/com/android/messaging/datamodel/BugleNotifications.java
@@ -68,7 +68,6 @@ import com.android.messaging.sms.MmsUtils;
 import com.android.messaging.ui.UIIntents;
 import com.android.messaging.util.Assert;
 import com.android.messaging.util.AvatarUriUtil;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.BuglePrefs;
 import com.android.messaging.util.BuglePrefsKeys;
@@ -605,10 +604,9 @@ public class BugleNotifications {
                     // Find out the last time we dinged for this conversation
                     Long lastTime = sLastMessageDingTime.get(conversationId);
                     if (sTimeBetweenDingsMs == 0) {
-                        sTimeBetweenDingsMs = BugleGservices.get().getInt(
-                                BugleGservicesKeys.NOTIFICATION_TIME_BETWEEN_RINGS_SECONDS,
-                                BugleGservicesKeys.NOTIFICATION_TIME_BETWEEN_RINGS_SECONDS_DEFAULT) *
-                                    1000;
+                        sTimeBetweenDingsMs =
+                                BugleGservicesKeys.NOTIFICATION_TIME_BETWEEN_RINGS_SECONDS_DEFAULT *
+                                        1000;
                     }
                     if (lastTime == null
                             || SystemClock.elapsedRealtime() - lastTime > sTimeBetweenDingsMs) {
diff --git a/src/com/android/messaging/datamodel/DatabaseWrapper.java b/src/com/android/messaging/datamodel/DatabaseWrapper.java
index 7e62132..c27f5cd 100644
--- a/src/com/android/messaging/datamodel/DatabaseWrapper.java
+++ b/src/com/android/messaging/datamodel/DatabaseWrapper.java
@@ -27,17 +27,13 @@ import android.database.sqlite.SQLiteQueryBuilder;
 import android.database.sqlite.SQLiteStatement;
 import android.util.SparseArray;
 
-import com.android.messaging.Factory;
 import com.android.messaging.R;
 import com.android.messaging.util.Assert;
-import com.android.messaging.util.BugleGservicesKeys;
-import com.android.messaging.util.DebugUtils;
 import com.android.messaging.util.LogUtil;
 import com.android.messaging.util.UiUtils;
 
 import java.util.Locale;
 import java.util.Stack;
-import java.util.regex.Pattern;
 
 public class DatabaseWrapper {
     private static final String TAG = LogUtil.BUGLE_DATABASE_TAG;
@@ -45,12 +41,6 @@ public class DatabaseWrapper {
     private final SQLiteDatabase mDatabase;
     private final Context mContext;
     private final boolean mLog;
-    /**
-     * Set mExplainQueryPlanRegexp (via {@link BugleGservicesKeys#EXPLAIN_QUERY_PLAN_REGEXP}
-     * to regex matching queries to see query plans. For example, ".*" to show all query plans.
-     */
-    // See
-    private final String mExplainQueryPlanRegexp;
     private static final int sTimingThreshold = 50;        // in milliseconds
 
     public static final int INDEX_INSERT_MESSAGE_PART = 0;
@@ -77,8 +67,6 @@ public class DatabaseWrapper {
 
     DatabaseWrapper(final Context context, final SQLiteDatabase db) {
         mLog = LogUtil.isLoggable(LogUtil.BUGLE_DATABASE_PERF_TAG, LogUtil.VERBOSE);
-        mExplainQueryPlanRegexp = Factory.get().getBugleGservices().getString(
-                BugleGservicesKeys.EXPLAIN_QUERY_PLAN_REGEXP, null);
         mDatabase = db;
         mContext = context;
         mCompiledStatements = new SparseArray<SQLiteStatement>();
@@ -96,10 +84,6 @@ public class DatabaseWrapper {
         return compiled;
     }
 
-    private void maybePlayDebugNoise() {
-        DebugUtils.maybePlayDebugNoise(mContext, DebugUtils.DEBUG_SOUND_DB_OP);
-    }
-
     private static void printTiming(final long t1, final String msg) {
         final int transactionDepth = sTransactionDepth.get().size();
         final long t2 = System.currentTimeMillis();
@@ -190,64 +174,10 @@ public class DatabaseWrapper {
         }
     }
 
-    private void explainQueryPlan(final SQLiteQueryBuilder qb, final SQLiteDatabase db,
-            final String[] projection, final String selection,
-            @SuppressWarnings("unused")
-                    final String[] queryArgs,
-            final String groupBy,
-            @SuppressWarnings("unused")
-                    final String having,
-            final String sortOrder, final String limit) {
-        final String queryString = qb.buildQuery(
-                projection,
-                selection,
-                groupBy,
-                null/*having*/,
-                sortOrder,
-                limit);
-        explainQueryPlan(db, queryString, queryArgs);
-    }
-
-    private void explainQueryPlan(final SQLiteDatabase db, final String sql,
-            final String[] queryArgs) {
-        if (!Pattern.matches(mExplainQueryPlanRegexp, sql)) {
-            return;
-        }
-        final Cursor planCursor = db.rawQuery("explain query plan " + sql, queryArgs);
-        try {
-            if (planCursor != null && planCursor.moveToFirst()) {
-                final int detailColumn = planCursor.getColumnIndex("detail");
-                final StringBuilder sb = new StringBuilder();
-                do {
-                    sb.append(planCursor.getString(detailColumn));
-                    sb.append("\n");
-                } while (planCursor.moveToNext());
-                if (sb.length() > 0) {
-                    sb.setLength(sb.length() - 1);
-                }
-                LogUtil.v(TAG, "for query " + sql + "\nplan is: "
-                        + sb);
-            }
-        } catch (final Exception e) {
-            LogUtil.w(TAG, "Query plan failed ", e);
-        } finally {
-            if (planCursor != null) {
-                planCursor.close();
-            }
-        }
-    }
-
     public Cursor query(final String searchTable, final String[] projection,
             final String selection, final String[] selectionArgs, final String groupBy,
             final String having, final String orderBy, final String limit) {
-        if (mExplainQueryPlanRegexp != null) {
-            final SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
-            qb.setTables(searchTable);
-            explainQueryPlan(qb, mDatabase, projection, selection, selectionArgs,
-                    groupBy, having, orderBy, limit);
-        }
 
-        maybePlayDebugNoise();
         long t1 = 0;
         if (mLog) {
             t1 = System.currentTimeMillis();
@@ -274,11 +204,6 @@ public class DatabaseWrapper {
     public Cursor query(final SQLiteQueryBuilder qb,
             final String[] projection, final String selection, final String[] queryArgs,
             final String groupBy, final String having, final String sortOrder, final String limit) {
-        if (mExplainQueryPlanRegexp != null) {
-            explainQueryPlan(qb, mDatabase, projection, selection, queryArgs,
-                    groupBy, having, sortOrder, limit);
-        }
-        maybePlayDebugNoise();
         long t1 = 0;
         if (mLog) {
             t1 = System.currentTimeMillis();
@@ -300,7 +225,6 @@ public class DatabaseWrapper {
         if (mLog) {
             t1 = System.currentTimeMillis();
         }
-        maybePlayDebugNoise();
         final long retval =
                 DatabaseUtils.queryNumEntries(mDatabase, table, selection, selectionArgs);
         if (mLog){
@@ -313,14 +237,10 @@ public class DatabaseWrapper {
     }
 
     public Cursor rawQuery(final String sql, final String[] args) {
-        if (mExplainQueryPlanRegexp != null) {
-            explainQueryPlan(mDatabase, sql, args);
-        }
         long t1 = 0;
         if (mLog) {
             t1 = System.currentTimeMillis();
         }
-        maybePlayDebugNoise();
         final Cursor cursor = mDatabase.rawQuery(sql, args);
         if (mLog) {
             printTiming(
@@ -336,7 +256,6 @@ public class DatabaseWrapper {
         if (mLog) {
             t1 = System.currentTimeMillis();
         }
-        maybePlayDebugNoise();
         int count = 0;
         try {
             count = mDatabase.update(table, values, selection, selectionArgs);
@@ -356,7 +275,6 @@ public class DatabaseWrapper {
         if (mLog) {
             t1 = System.currentTimeMillis();
         }
-        maybePlayDebugNoise();
         int count = 0;
         try {
             count = mDatabase.delete(table, whereClause, whereArgs);
@@ -378,7 +296,6 @@ public class DatabaseWrapper {
         if (mLog) {
             t1 = System.currentTimeMillis();
         }
-        maybePlayDebugNoise();
         long rowId = -1;
         try {
             rowId = mDatabase.insert(table, nullColumnHack, values);
@@ -398,7 +315,6 @@ public class DatabaseWrapper {
         if (mLog) {
             t1 = System.currentTimeMillis();
         }
-        maybePlayDebugNoise();
         long rowId = -1;
         try {
             rowId = mDatabase.replace(table, nullColumnHack, values);
@@ -421,7 +337,6 @@ public class DatabaseWrapper {
         if (mLog) {
             t1 = System.currentTimeMillis();
         }
-        maybePlayDebugNoise();
         try {
             mDatabase.execSQL(sql, bindArgs);
         } catch (SQLiteFullException ex) {
@@ -439,7 +354,6 @@ public class DatabaseWrapper {
         if (mLog) {
             t1 = System.currentTimeMillis();
         }
-        maybePlayDebugNoise();
         try {
             mDatabase.execSQL(sql);
         } catch (SQLiteFullException ex) {
@@ -457,7 +371,6 @@ public class DatabaseWrapper {
         if (mLog) {
             t1 = System.currentTimeMillis();
         }
-        maybePlayDebugNoise();
         final SQLiteStatement statement = mDatabase.compileStatement(sql);
         int rowsUpdated = 0;
         try {
diff --git a/src/com/android/messaging/datamodel/MessageNotificationState.java b/src/com/android/messaging/datamodel/MessageNotificationState.java
index 76b5b61..08fef19 100644
--- a/src/com/android/messaging/datamodel/MessageNotificationState.java
+++ b/src/com/android/messaging/datamodel/MessageNotificationState.java
@@ -51,7 +51,6 @@ import com.android.messaging.sms.MmsUtils;
 import com.android.messaging.ui.UIIntents;
 import com.android.messaging.util.Assert;
 import com.android.messaging.util.AvatarUriUtil;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.ContentType;
 import com.android.messaging.util.ConversationIdSet;
@@ -1009,13 +1008,9 @@ public abstract class MessageNotificationState extends NotificationState {
 
     private static int getMaxMessagesInConversationNotification() {
         if (!BugleNotifications.isWearCompanionAppInstalled()) {
-            return BugleGservices.get().getInt(
-                    BugleGservicesKeys.MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION,
-                    BugleGservicesKeys.MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION_DEFAULT);
+            return BugleGservicesKeys.MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION_DEFAULT;
         }
-        return BugleGservices.get().getInt(
-                BugleGservicesKeys.MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION_WITH_WEARABLE,
-                BugleGservicesKeys.MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION_WITH_WEARABLE_DEFAULT);
+        return BugleGservicesKeys.MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION_WITH_WEARABLE_DEFAULT;
     }
 
     /**
diff --git a/src/com/android/messaging/datamodel/MessagingContentProvider.java b/src/com/android/messaging/datamodel/MessagingContentProvider.java
index ef01d41..84997cd 100644
--- a/src/com/android/messaging/datamodel/MessagingContentProvider.java
+++ b/src/com/android/messaging/datamodel/MessagingContentProvider.java
@@ -452,8 +452,6 @@ public class MessagingContentProvider extends ContentProvider {
             defaultSmsApp = "None";
         }
         writer.println("Default SMS app: " + defaultSmsApp);
-        // Now dump logs
-        LogUtil.dump(writer);
     }
 
     @Override
diff --git a/src/com/android/messaging/datamodel/SyncManager.java b/src/com/android/messaging/datamodel/SyncManager.java
index e5d4935..2f7e269 100644
--- a/src/com/android/messaging/datamodel/SyncManager.java
+++ b/src/com/android/messaging/datamodel/SyncManager.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,7 +28,6 @@ import com.android.messaging.datamodel.action.SyncMessagesAction;
 import com.android.messaging.datamodel.data.ParticipantData;
 import com.android.messaging.sms.MmsUtils;
 import com.android.messaging.util.Assert;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.BuglePrefs;
 import com.android.messaging.util.BuglePrefsKeys;
@@ -206,13 +206,11 @@ public class SyncManager {
      * @return 0 if allowed to run now, else delay in ms
      */
     public long delayUntilFullSync(final long startTimestamp) {
-        final BugleGservices bugleGservices = BugleGservices.get();
         final BuglePrefs prefs = BuglePrefs.getApplicationPrefs();
 
         final long lastFullSyncTime = prefs.getLong(BuglePrefsKeys.LAST_FULL_SYNC_TIME, -1L);
-        final long smsFullSyncBackoffTimeMillis = bugleGservices.getLong(
-                BugleGservicesKeys.SMS_FULL_SYNC_BACKOFF_TIME_MILLIS,
-                BugleGservicesKeys.SMS_FULL_SYNC_BACKOFF_TIME_MILLIS_DEFAULT);
+        final long smsFullSyncBackoffTimeMillis =
+                BugleGservicesKeys.SMS_FULL_SYNC_BACKOFF_TIME_MILLIS_DEFAULT;
         final long noFullSyncBefore = (lastFullSyncTime < 0 ? startTimestamp :
             lastFullSyncTime + smsFullSyncBackoffTimeMillis);
 
diff --git a/src/com/android/messaging/datamodel/action/DumpDatabaseAction.java b/src/com/android/messaging/datamodel/action/DumpDatabaseAction.java
deleted file mode 100644
index a676e7a..0000000
--- a/src/com/android/messaging/datamodel/action/DumpDatabaseAction.java
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- * Copyright (C) 2024 The LineageOS Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.datamodel.action;
-
-import android.content.Context;
-import android.os.Parcel;
-import android.os.Parcelable;
-
-import androidx.annotation.NonNull;
-
-import com.android.messaging.Factory;
-import com.android.messaging.datamodel.DatabaseHelper;
-import com.android.messaging.util.DebugUtils;
-import com.android.messaging.util.LogUtil;
-
-import java.io.BufferedInputStream;
-import java.io.BufferedOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-
-public class DumpDatabaseAction extends Action implements Parcelable {
-    private static final String TAG = LogUtil.BUGLE_DATAMODEL_TAG;
-    public static final String DUMP_NAME = "db_copy.db";
-    private static final int BUFFER_SIZE = 16384;
-
-    /**
-     * Copy the database to external storage
-     */
-    public static void dumpDatabase() {
-        final DumpDatabaseAction action = new DumpDatabaseAction();
-        action.start();
-    }
-
-    private DumpDatabaseAction() {
-    }
-
-    @Override
-    protected Object executeAction() {
-        final Context context = Factory.get().getApplicationContext();
-        final String dbName = DatabaseHelper.DATABASE_NAME;
-        BufferedOutputStream bos = null;
-        BufferedInputStream bis = null;
-
-        long originalSize = 0;
-        final File inFile = context.getDatabasePath(dbName);
-        if (inFile.exists() && inFile.isFile()) {
-            originalSize = inFile.length();
-        }
-        final File outFile = DebugUtils.getDebugFile(DUMP_NAME, true);
-        if (outFile != null) {
-            int totalBytes = 0;
-            try {
-                bos = new BufferedOutputStream(new FileOutputStream(outFile));
-                bis = new BufferedInputStream(new FileInputStream(inFile));
-
-                final byte[] buffer = new byte[BUFFER_SIZE];
-                int bytesRead;
-                while ((bytesRead = bis.read(buffer)) > 0) {
-                    bos.write(buffer, 0, bytesRead);
-                    totalBytes += bytesRead;
-                }
-            } catch (final IOException e) {
-                LogUtil.w(TAG, "Exception copying the database;"
-                        + " destination may not be complete.", e);
-            } finally {
-                if (bos != null) {
-                    try {
-                        bos.close();
-                    } catch (final IOException e) {
-                        // Nothing to do
-                    }
-                }
-
-                if (bis != null) {
-                    try {
-                        bis.close();
-                    } catch (final IOException e) {
-                        // Nothing to do
-                    }
-                }
-                DebugUtils.ensureReadable(outFile);
-                LogUtil.i(TAG, "Dump complete; orig size: " + originalSize +
-                        ", copy size: " + totalBytes);
-            }
-        }
-        return null;
-    }
-
-    private DumpDatabaseAction(final Parcel in) {
-        super(in);
-    }
-
-    public static final Parcelable.Creator<DumpDatabaseAction> CREATOR
-            = new Parcelable.Creator<DumpDatabaseAction>() {
-        @Override
-        public DumpDatabaseAction createFromParcel(final Parcel in) {
-            return new DumpDatabaseAction(in);
-        }
-
-        @Override
-        public DumpDatabaseAction[] newArray(final int size) {
-            return new DumpDatabaseAction[size];
-        }
-    };
-
-    @Override
-    public void writeToParcel(@NonNull final Parcel parcel, final int flags) {
-        writeActionToParcel(parcel, flags);
-    }
-}
diff --git a/src/com/android/messaging/datamodel/action/LogTelephonyDatabaseAction.java b/src/com/android/messaging/datamodel/action/LogTelephonyDatabaseAction.java
deleted file mode 100644
index 5a9a86f..0000000
--- a/src/com/android/messaging/datamodel/action/LogTelephonyDatabaseAction.java
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- * Copyright (C) 2024 The LineageOS Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.datamodel.action;
-
-import android.content.Context;
-import android.database.Cursor;
-import android.net.Uri;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.provider.Telephony.Threads;
-import android.provider.Telephony.ThreadsColumns;
-
-import androidx.annotation.NonNull;
-
-import com.android.messaging.Factory;
-import com.android.messaging.mmslib.SqliteWrapper;
-import com.android.messaging.util.DebugUtils;
-import com.android.messaging.util.LogUtil;
-
-public class LogTelephonyDatabaseAction extends Action implements Parcelable {
-    // Because we use sanitizePII, we should also use BUGLE_TAG
-    private static final String TAG = LogUtil.BUGLE_TAG;
-
-    private static final String[] ALL_THREADS_PROJECTION = {
-        Threads._ID,
-        Threads.DATE,
-        Threads.MESSAGE_COUNT,
-        Threads.RECIPIENT_IDS,
-        Threads.SNIPPET,
-        Threads.SNIPPET_CHARSET,
-        Threads.READ,
-        Threads.ERROR,
-        Threads.HAS_ATTACHMENT };
-
-    // Constants from the Telephony Database
-    private static final int ID               = 0;
-    private static final int DATE             = 1;
-    private static final int MESSAGE_COUNT    = 2;
-    private static final int RECIPIENT_IDS    = 3;
-    private static final int SNIPPET          = 4;
-    private static final int SNIPPET_CHAR_SET = 5;
-    private static final int READ             = 6;
-    private static final int ERROR            = 7;
-    private static final int HAS_ATTACHMENT   = 8;
-
-    /**
-     * Log telephony data to logcat
-     */
-    public static void dumpDatabase() {
-        final LogTelephonyDatabaseAction action = new LogTelephonyDatabaseAction();
-        action.start();
-    }
-
-    private LogTelephonyDatabaseAction() {
-    }
-
-    @Override
-    protected Object executeAction() {
-        final Context context = Factory.get().getApplicationContext();
-
-        if (!DebugUtils.isDebugEnabled()) {
-            LogUtil.e(TAG, "Can't log telephony database unless debugging is enabled");
-            return null;
-        }
-
-        if (!LogUtil.isLoggable(TAG, LogUtil.DEBUG)) {
-            LogUtil.w(TAG, "Can't log telephony database unless DEBUG is turned on for TAG: " +
-                    TAG);
-            return null;
-        }
-
-        LogUtil.d(TAG, "\n");
-        LogUtil.d(TAG, "Dump of canoncial_addresses table");
-        LogUtil.d(TAG, "*********************************");
-
-        Cursor cursor = SqliteWrapper.query(context, context.getContentResolver(),
-                Uri.parse("content://mms-sms/canonical-addresses"), null, null, null, null);
-
-        if (cursor == null) {
-            LogUtil.w(TAG, "null Cursor in content://mms-sms/canonical-addresses");
-        } else {
-            try {
-                while (cursor.moveToNext()) {
-                    long id = cursor.getLong(0);
-                    String number = cursor.getString(1);
-                    LogUtil.d(TAG, LogUtil.sanitizePII("id: " + id + " number: " + number));
-                }
-            } finally {
-                cursor.close();
-            }
-        }
-
-        LogUtil.d(TAG, "\n");
-        LogUtil.d(TAG, "Dump of threads table");
-        LogUtil.d(TAG, "*********************");
-
-        cursor = SqliteWrapper.query(context, context.getContentResolver(),
-                Threads.CONTENT_URI.buildUpon().appendQueryParameter("simple", "true").build(),
-                ALL_THREADS_PROJECTION, null, null, "date ASC");
-        try {
-            while (cursor.moveToNext()) {
-                LogUtil.d(TAG, LogUtil.sanitizePII("threadId: " + cursor.getLong(ID) +
-                        " " + ThreadsColumns.DATE + " : " + cursor.getLong(DATE) +
-                        " " + ThreadsColumns.MESSAGE_COUNT + " : " + cursor.getInt(MESSAGE_COUNT) +
-                        " " + ThreadsColumns.SNIPPET + " : " + cursor.getString(SNIPPET) +
-                        " " + ThreadsColumns.READ + " : " + cursor.getInt(READ) +
-                        " " + ThreadsColumns.ERROR + " : " + cursor.getInt(ERROR) +
-                        " " + ThreadsColumns.HAS_ATTACHMENT + " : " +
-                            cursor.getInt(HAS_ATTACHMENT) +
-                        " " + ThreadsColumns.RECIPIENT_IDS + " : " +
-                            cursor.getString(RECIPIENT_IDS)));
-            }
-        } finally {
-            cursor.close();
-        }
-
-        return null;
-    }
-
-    private LogTelephonyDatabaseAction(final Parcel in) {
-        super(in);
-    }
-
-    public static final Parcelable.Creator<LogTelephonyDatabaseAction> CREATOR
-            = new Parcelable.Creator<LogTelephonyDatabaseAction>() {
-        @Override
-        public LogTelephonyDatabaseAction createFromParcel(final Parcel in) {
-            return new LogTelephonyDatabaseAction(in);
-        }
-
-        @Override
-        public LogTelephonyDatabaseAction[] newArray(final int size) {
-            return new LogTelephonyDatabaseAction[size];
-        }
-    };
-
-    @Override
-    public void writeToParcel(@NonNull final Parcel parcel, final int flags) {
-        writeActionToParcel(parcel, flags);
-    }
-}
diff --git a/src/com/android/messaging/datamodel/action/ProcessDownloadedMmsAction.java b/src/com/android/messaging/datamodel/action/ProcessDownloadedMmsAction.java
index c77b511..18ddfd1 100644
--- a/src/com/android/messaging/datamodel/action/ProcessDownloadedMmsAction.java
+++ b/src/com/android/messaging/datamodel/action/ProcessDownloadedMmsAction.java
@@ -271,9 +271,6 @@ public class ProcessDownloadedMmsAction extends Action {
                 if (downloadedData != null) {
                     final RetrieveConf retrieveConf =
                             MmsSender.parseRetrieveConf(downloadedData, subId);
-                    if (MmsUtils.isDumpMmsEnabled()) {
-                        MmsUtils.dumpPdu(downloadedData, retrieveConf);
-                    }
                     if (retrieveConf != null) {
                         // Insert the downloaded MMS into telephony
                         final Uri notificationUri = actionParameters.getParcelable(
diff --git a/src/com/android/messaging/datamodel/action/ProcessPendingMessagesAction.java b/src/com/android/messaging/datamodel/action/ProcessPendingMessagesAction.java
index 5172af4..24ae456 100644
--- a/src/com/android/messaging/datamodel/action/ProcessPendingMessagesAction.java
+++ b/src/com/android/messaging/datamodel/action/ProcessPendingMessagesAction.java
@@ -35,7 +35,6 @@ import com.android.messaging.datamodel.DatabaseWrapper;
 import com.android.messaging.datamodel.MessagingContentProvider;
 import com.android.messaging.datamodel.data.MessageData;
 import com.android.messaging.datamodel.data.ParticipantData;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.BuglePrefs;
 import com.android.messaging.util.BuglePrefsKeys;
@@ -153,12 +152,8 @@ public class ProcessPendingMessagesAction extends Action implements Parcelable {
 
         final ProcessPendingMessagesAction action = new ProcessPendingMessagesAction();
         action.actionParameters.putInt(KEY_SUB_ID, subId);
-        final long initialBackoffMs = BugleGservices.get().getLong(
-                BugleGservicesKeys.INITIAL_MESSAGE_RESEND_DELAY_MS,
-                BugleGservicesKeys.INITIAL_MESSAGE_RESEND_DELAY_MS_DEFAULT);
-        final long maxDelayMs = BugleGservices.get().getLong(
-                BugleGservicesKeys.MAX_MESSAGE_RESEND_DELAY_MS,
-                BugleGservicesKeys.MAX_MESSAGE_RESEND_DELAY_MS_DEFAULT);
+        final long initialBackoffMs = BugleGservicesKeys.INITIAL_MESSAGE_RESEND_DELAY_MS_DEFAULT;
+        final long maxDelayMs = BugleGservicesKeys.MAX_MESSAGE_RESEND_DELAY_MS_DEFAULT;
         long delayMs;
         long nextDelayMs = initialBackoffMs;
         do {
diff --git a/src/com/android/messaging/datamodel/action/SyncMessagesAction.java b/src/com/android/messaging/datamodel/action/SyncMessagesAction.java
index de28c33..3e441fe 100644
--- a/src/com/android/messaging/datamodel/action/SyncMessagesAction.java
+++ b/src/com/android/messaging/datamodel/action/SyncMessagesAction.java
@@ -43,7 +43,6 @@ import com.android.messaging.sms.DatabaseMessages.MmsMessage;
 import com.android.messaging.sms.DatabaseMessages.SmsMessage;
 import com.android.messaging.sms.MmsUtils;
 import com.android.messaging.util.Assert;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.BuglePrefs;
 import com.android.messaging.util.BuglePrefsKeys;
@@ -76,10 +75,8 @@ public class SyncMessagesAction extends Action implements Parcelable {
      * Start a full sync (backed off a few seconds to avoid pulling sending/receiving messages).
      */
     public static void fullSync() {
-        final BugleGservices bugleGservices = BugleGservices.get();
-        final long smsSyncBackoffTimeMillis = bugleGservices.getLong(
-                BugleGservicesKeys.SMS_SYNC_BACKOFF_TIME_MILLIS,
-                BugleGservicesKeys.SMS_SYNC_BACKOFF_TIME_MILLIS_DEFAULT);
+        final long smsSyncBackoffTimeMillis =
+                BugleGservicesKeys.SMS_SYNC_BACKOFF_TIME_MILLIS_DEFAULT;
 
         final long now = System.currentTimeMillis();
         // TODO: Could base this off most recent message in db but now should be okay...
@@ -94,10 +91,8 @@ public class SyncMessagesAction extends Action implements Parcelable {
      * Start an incremental sync to pull messages since last sync (backed off a few seconds)..
      */
     public static void sync() {
-        final BugleGservices bugleGservices = BugleGservices.get();
-        final long smsSyncBackoffTimeMillis = bugleGservices.getLong(
-                BugleGservicesKeys.SMS_SYNC_BACKOFF_TIME_MILLIS,
-                BugleGservicesKeys.SMS_SYNC_BACKOFF_TIME_MILLIS_DEFAULT);
+        final long smsSyncBackoffTimeMillis =
+                BugleGservicesKeys.SMS_SYNC_BACKOFF_TIME_MILLIS_DEFAULT;
 
         final long now = System.currentTimeMillis();
         // TODO: Could base this off most recent message in db but now should be okay...
@@ -195,20 +190,16 @@ public class SyncMessagesAction extends Action implements Parcelable {
 
     @Override
     protected Bundle doBackgroundWork() {
-        final BugleGservices bugleGservices = BugleGservices.get();
         final DatabaseWrapper db = DataModel.get().getDatabase();
 
-        final int maxMessagesToScan = bugleGservices.getInt(
-                BugleGservicesKeys.SMS_SYNC_BATCH_MAX_MESSAGES_TO_SCAN,
-                BugleGservicesKeys.SMS_SYNC_BATCH_MAX_MESSAGES_TO_SCAN_DEFAULT);
+        final int maxMessagesToScan =
+                BugleGservicesKeys.SMS_SYNC_BATCH_MAX_MESSAGES_TO_SCAN_DEFAULT;
 
         final int initialMaxMessagesToUpdate = actionParameters.getInt(KEY_MAX_UPDATE);
-        final int smsSyncSubsequentBatchSizeMin = bugleGservices.getInt(
-                BugleGservicesKeys.SMS_SYNC_BATCH_SIZE_MIN,
-                BugleGservicesKeys.SMS_SYNC_BATCH_SIZE_MIN_DEFAULT);
-        final int smsSyncSubsequentBatchSizeMax = bugleGservices.getInt(
-                BugleGservicesKeys.SMS_SYNC_BATCH_SIZE_MAX,
-                BugleGservicesKeys.SMS_SYNC_BATCH_SIZE_MAX_DEFAULT);
+        final int smsSyncSubsequentBatchSizeMin =
+                BugleGservicesKeys.SMS_SYNC_BATCH_SIZE_MIN_DEFAULT;
+        final int smsSyncSubsequentBatchSizeMax =
+                BugleGservicesKeys.SMS_SYNC_BATCH_SIZE_MAX_DEFAULT;
 
         // Cap sync size to GServices limits
         final int maxMessagesToUpdate = Math.max(smsSyncSubsequentBatchSizeMin,
@@ -512,10 +503,8 @@ public class SyncMessagesAction extends Action implements Parcelable {
      * @return Target number of messages to sync for next batch
      */
     private static int nextBatchSize(final int messagesUpdated, final long txnTimeMillis) {
-        final BugleGservices bugleGservices = BugleGservices.get();
-        final long smsSyncSubsequentBatchTimeLimitMillis = bugleGservices.getLong(
-                BugleGservicesKeys.SMS_SYNC_BATCH_TIME_LIMIT_MILLIS,
-                BugleGservicesKeys.SMS_SYNC_BATCH_TIME_LIMIT_MILLIS_DEFAULT);
+        final long smsSyncSubsequentBatchTimeLimitMillis =
+                BugleGservicesKeys.SMS_SYNC_BATCH_TIME_LIMIT_MILLIS_DEFAULT;
 
         if (txnTimeMillis <= 0) {
             return 0;
diff --git a/src/com/android/messaging/datamodel/data/ConversationMessageData.java b/src/com/android/messaging/datamodel/data/ConversationMessageData.java
index 3232215..e4b18ad 100644
--- a/src/com/android/messaging/datamodel/data/ConversationMessageData.java
+++ b/src/com/android/messaging/datamodel/data/ConversationMessageData.java
@@ -30,7 +30,6 @@ import com.android.messaging.datamodel.DatabaseHelper.MessageColumns;
 import com.android.messaging.datamodel.DatabaseHelper.PartColumns;
 import com.android.messaging.datamodel.DatabaseHelper.ParticipantColumns;
 import com.android.messaging.util.Assert;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.ContentType;
 import com.android.messaging.util.Dates;
@@ -396,9 +395,7 @@ public class ConversationMessageData {
                         if (!TextUtils.isEmpty(firstTextPart)) {
                               sb.append(firstTextPart);
                         }
-                        separator = BugleGservices.get().getString(
-                                BugleGservicesKeys.MMS_TEXT_CONCAT_SEPARATOR,
-                                BugleGservicesKeys.MMS_TEXT_CONCAT_SEPARATOR_DEFAULT);
+                        separator = BugleGservicesKeys.MMS_TEXT_CONCAT_SEPARATOR_DEFAULT;
                     }
                     final String partText = part.getText();
                     if (!TextUtils.isEmpty(partText)) {
diff --git a/src/com/android/messaging/datamodel/data/DraftMessageData.java b/src/com/android/messaging/datamodel/data/DraftMessageData.java
index 0126905..85ffb80 100644
--- a/src/com/android/messaging/datamodel/data/DraftMessageData.java
+++ b/src/com/android/messaging/datamodel/data/DraftMessageData.java
@@ -34,7 +34,6 @@ import com.android.messaging.sms.MmsUtils;
 import com.android.messaging.util.Assert;
 import com.android.messaging.util.Assert.DoesNotRunOnMainThread;
 import com.android.messaging.util.Assert.RunsOnMainThread;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.LogUtil;
 import com.android.messaging.util.PhoneUtils;
@@ -471,9 +470,7 @@ public class DraftMessageData extends BindableData implements ReadDraftDataActio
     }
 
     private int getAttachmentLimit() {
-        return BugleGservices.get().getInt(
-                BugleGservicesKeys.MMS_ATTACHMENT_LIMIT,
-                BugleGservicesKeys.MMS_ATTACHMENT_LIMIT_DEFAULT);
+        return BugleGservicesKeys.MMS_ATTACHMENT_LIMIT_DEFAULT;
     }
 
     public void removeAttachment(final MessagePartData attachment) {
diff --git a/src/com/android/messaging/datamodel/data/MessageData.java b/src/com/android/messaging/datamodel/data/MessageData.java
index f4d7170..fc22d8c 100644
--- a/src/com/android/messaging/datamodel/data/MessageData.java
+++ b/src/com/android/messaging/datamodel/data/MessageData.java
@@ -32,10 +32,8 @@ import com.android.messaging.datamodel.DatabaseHelper.MessageColumns;
 import com.android.messaging.datamodel.DatabaseWrapper;
 import com.android.messaging.sms.MmsUtils;
 import com.android.messaging.util.Assert;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.Dates;
-import com.android.messaging.util.DebugUtils;
 import com.android.messaging.util.OsUtil;
 
 import java.util.ArrayList;
@@ -564,17 +562,13 @@ public class MessageData implements Parcelable {
     }
 
     public final boolean getInResendWindow(final long now) {
-        final long maxAgeToResend = BugleGservices.get().getLong(
-                BugleGservicesKeys.MESSAGE_RESEND_TIMEOUT_MS,
-                BugleGservicesKeys.MESSAGE_RESEND_TIMEOUT_MS_DEFAULT);
+        final long maxAgeToResend = BugleGservicesKeys.MESSAGE_RESEND_TIMEOUT_MS_DEFAULT;
         final long age = now - mRetryStartTimestamp;
         return age < maxAgeToResend;
     }
 
     public final boolean getInDownloadWindow(final long now) {
-        final long maxAgeToRedownload = BugleGservices.get().getLong(
-                BugleGservicesKeys.MESSAGE_DOWNLOAD_TIMEOUT_MS,
-                BugleGservicesKeys.MESSAGE_DOWNLOAD_TIMEOUT_MS_DEFAULT);
+        final long maxAgeToRedownload = BugleGservicesKeys.MESSAGE_DOWNLOAD_TIMEOUT_MS_DEFAULT;
         final long age = now - mRetryStartTimestamp;
         return age < maxAgeToRedownload;
     }
@@ -586,11 +580,9 @@ public class MessageData implements Parcelable {
             return false;
         }
         // Should show option for manual download if status is manual download or failed
+        // If debug is enabled, allow to download an expired or unavailable message.
         return (status == BUGLE_STATUS_INCOMING_DOWNLOAD_FAILED ||
-                status == BUGLE_STATUS_INCOMING_YET_TO_MANUAL_DOWNLOAD ||
-                // If debug is enabled, allow to download an expired or unavailable message.
-                (DebugUtils.isDebugEnabled()
-                        && status == BUGLE_STATUS_INCOMING_EXPIRED_OR_NOT_AVAILABLE));
+                status == BUGLE_STATUS_INCOMING_YET_TO_MANUAL_DOWNLOAD);
     }
 
     public boolean canDownloadMessage() {
@@ -611,11 +603,9 @@ public class MessageData implements Parcelable {
             return false;
         }
         // Can redownload if status is manual download not started or download failed
+        // If debug is enabled, allow to download an expired or unavailable message.
         return (mStatus == BUGLE_STATUS_INCOMING_DOWNLOAD_FAILED ||
-                mStatus == BUGLE_STATUS_INCOMING_YET_TO_MANUAL_DOWNLOAD ||
-                // If debug is enabled, allow to download an expired or unavailable message.
-                (DebugUtils.isDebugEnabled()
-                        && mStatus == BUGLE_STATUS_INCOMING_EXPIRED_OR_NOT_AVAILABLE));
+                mStatus == BUGLE_STATUS_INCOMING_YET_TO_MANUAL_DOWNLOAD);
     }
 
     static boolean getShowResendMessage(final int status) {
diff --git a/src/com/android/messaging/receiver/SmsReceiver.java b/src/com/android/messaging/receiver/SmsReceiver.java
index c3a5d98..52998c8 100644
--- a/src/com/android/messaging/receiver/SmsReceiver.java
+++ b/src/com/android/messaging/receiver/SmsReceiver.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,7 +35,6 @@ import androidx.core.app.NotificationManagerCompat;
 
 import java.util.ArrayList;
 import java.util.regex.Pattern;
-import java.util.regex.PatternSyntaxException;
 
 import com.android.messaging.Factory;
 import com.android.messaging.R;
@@ -44,9 +44,6 @@ import com.android.messaging.datamodel.NoConfirmationSmsSendService;
 import com.android.messaging.datamodel.action.ReceiveSmsMessageAction;
 import com.android.messaging.sms.MmsUtils;
 import com.android.messaging.ui.UIIntents;
-import com.android.messaging.util.BugleGservices;
-import com.android.messaging.util.BugleGservicesKeys;
-import com.android.messaging.util.DebugUtils;
 import com.android.messaging.util.LogUtil;
 import com.android.messaging.util.NotificationsUtil;
 import com.android.messaging.util.OsUtil;
@@ -125,10 +122,6 @@ public final class SmsReceiver extends BroadcastReceiver {
         int subId = PhoneUtils.getDefault().getEffectiveIncomingSubIdFromSystem(
                 intent, EXTRA_SUB_ID);
         deliverSmsMessages(context, subId, errorCode, messages);
-        if (MmsUtils.isDumpSmsEnabled()) {
-            final String format = intent.getStringExtra("format");
-            DebugUtils.dumpSms(messages[0].getTimestampMillis(), messages, format);
-        }
     }
 
     public static void deliverSmsMessages(final Context context, final int subId,
@@ -148,8 +141,7 @@ public final class SmsReceiver extends BroadcastReceiver {
         messageValues.put(Sms.Inbox.SEEN, 0);
         messageValues.put(Sms.SUBSCRIPTION_ID, subId);
 
-        if (messages[0].getMessageClass() == android.telephony.SmsMessage.MessageClass.CLASS_0 ||
-                DebugUtils.debugClassZeroSmsEnabled()) {
+        if (messages[0].getMessageClass() == android.telephony.SmsMessage.MessageClass.CLASS_0) {
             Factory.get().getUIIntents().launchClassZeroActivity(context, messageValues);
         } else {
             final ReceiveSmsMessageAction action = new ReceiveSmsMessageAction(messageValues);
@@ -228,30 +220,6 @@ public final class SmsReceiver extends BroadcastReceiver {
         return Factory.get().getApplicationContext().getPackageName() + ":secondaryuser";
     }
 
-    /**
-     * Compile all of the patterns we check for to ignore system SMS messages.
-     */
-    private static void compileIgnoreSmsPatterns() {
-        // Get the pattern set from GServices
-        final String smsIgnoreRegex = BugleGservices.get().getString(
-                BugleGservicesKeys.SMS_IGNORE_MESSAGE_REGEX,
-                BugleGservicesKeys.SMS_IGNORE_MESSAGE_REGEX_DEFAULT);
-        if (smsIgnoreRegex != null) {
-            final String[] ignoreSmsExpressions = smsIgnoreRegex.split("\n");
-            if (ignoreSmsExpressions.length != 0) {
-                sIgnoreSmsPatterns = new ArrayList<Pattern>();
-                for (int i = 0; i < ignoreSmsExpressions.length; i++) {
-                    try {
-                        sIgnoreSmsPatterns.add(Pattern.compile(ignoreSmsExpressions[i]));
-                    } catch (PatternSyntaxException e) {
-                        LogUtil.e(TAG, "compileIgnoreSmsPatterns: Skipping bad expression: " +
-                                ignoreSmsExpressions[i]);
-                    }
-                }
-            }
-        }
-    }
-
     /**
      * Get the SMS messages from the specified SMS intent.
      * @return the messages. If there is an error or the message should be ignored, return null.
@@ -263,27 +231,6 @@ public final class SmsReceiver extends BroadcastReceiver {
         if (messages == null || messages.length < 1) {
             return null;
         }
-        // Sometimes, SmsMessage.mWrappedSmsMessage is null causing NPE when we access
-        // the methods on it although the SmsMessage itself is not null. So do this check
-        // before we do anything on the parsed SmsMessages.
-        try {
-            final String messageBody = messages[0].getDisplayMessageBody();
-            if (messageBody != null) {
-                // Compile patterns if necessary
-                if (sIgnoreSmsPatterns == null) {
-                    compileIgnoreSmsPatterns();
-                }
-                // Check against filters
-                for (final Pattern pattern : sIgnoreSmsPatterns) {
-                    if (pattern.matcher(messageBody).matches()) {
-                        return null;
-                    }
-                }
-            }
-        } catch (final NullPointerException e) {
-            LogUtil.e(TAG, "shouldIgnoreMessage: NPE inside SmsMessage");
-            return null;
-        }
         return messages;
     }
 
diff --git a/src/com/android/messaging/sms/BugleApnSettingsLoader.java b/src/com/android/messaging/sms/BugleApnSettingsLoader.java
index 1305a3a..73ee8b8 100644
--- a/src/com/android/messaging/sms/BugleApnSettingsLoader.java
+++ b/src/com/android/messaging/sms/BugleApnSettingsLoader.java
@@ -31,8 +31,6 @@ import android.util.SparseArray;
 
 import com.android.messaging.datamodel.data.ParticipantData;
 import com.android.messaging.mmslib.SqliteWrapper;
-import com.android.messaging.util.BugleGservices;
-import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.LogUtil;
 import com.android.messaging.util.PhoneUtils;
 
@@ -336,11 +334,6 @@ public class BugleApnSettingsLoader implements ApnSettingsLoader {
     }
 
     private void loadLocked(final int subId, final String apnName, final List<Apn> apns) {
-        // Try Gservices first
-        loadFromGservices(apns);
-        if (apns.size() > 0) {
-            return;
-        }
         // Try system APN table
         loadFromSystem(subId, apnName, apns);
         if (apns.size() > 0) {
@@ -353,26 +346,6 @@ public class BugleApnSettingsLoader implements ApnSettingsLoader {
         }
     }
 
-    /**
-     * Load from Gservices if APN setting is set in Gservices
-     *
-     * @param apns the list used to return results
-     */
-    private void loadFromGservices(final List<Apn> apns) {
-        final BugleGservices gservices = BugleGservices.get();
-        final String mmsc = gservices.getString(BugleGservicesKeys.MMS_MMSC, null);
-        if (TextUtils.isEmpty(mmsc)) {
-            return;
-        }
-        LogUtil.i(LogUtil.BUGLE_TAG, "Loading APNs from gservices");
-        final String proxy = gservices.getString(BugleGservicesKeys.MMS_PROXY_ADDRESS, null);
-        final int port = gservices.getInt(BugleGservicesKeys.MMS_PROXY_PORT, -1);
-        final Apn apn = BaseApn.from("mms", mmsc, proxy, Integer.toString(port));
-        if (apn != null) {
-            apns.add(apn);
-        }
-    }
-
     /**
      * Load matching APNs from telephony provider.
      * We try different combinations of the query to work around some platform quirks.
diff --git a/src/com/android/messaging/sms/BugleUserAgentInfoLoader.java b/src/com/android/messaging/sms/BugleUserAgentInfoLoader.java
index 6d37f87..b841409 100644
--- a/src/com/android/messaging/sms/BugleUserAgentInfoLoader.java
+++ b/src/com/android/messaging/sms/BugleUserAgentInfoLoader.java
@@ -22,7 +22,6 @@ import android.support.v7.mms.UserAgentInfoLoader;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.LogUtil;
 import com.android.messaging.util.VersionUtil;
@@ -86,9 +85,7 @@ public class BugleUserAgentInfoLoader implements UserAgentInfoLoader {
         }
         // if the UAProfUrl isn't set, get it from Gservices
         if (TextUtils.isEmpty(mUAProfUrl)) {
-            mUAProfUrl = BugleGservices.get().getString(
-                    BugleGservicesKeys.MMS_UA_PROFILE_URL,
-                    BugleGservicesKeys.MMS_UA_PROFILE_URL_DEFAULT);
+            mUAProfUrl = BugleGservicesKeys.MMS_UA_PROFILE_URL_DEFAULT;
         }
     }
 }
diff --git a/src/com/android/messaging/sms/MmsUtils.java b/src/com/android/messaging/sms/MmsUtils.java
index 3e2047c..ad08282 100644
--- a/src/com/android/messaging/sms/MmsUtils.java
+++ b/src/com/android/messaging/sms/MmsUtils.java
@@ -67,7 +67,6 @@ import com.android.messaging.mmslib.pdu.SendConf;
 import com.android.messaging.mmslib.pdu.SendReq;
 import com.android.messaging.sms.SmsSender.SendResult;
 import com.android.messaging.util.Assert;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.BuglePrefs;
 import com.android.messaging.util.ContentType;
@@ -1538,44 +1537,6 @@ public class MmsUtils {
         sUseSystemApn = turnOn;
     }
 
-    /**
-     * Checks if we should dump sms, based on both the setting and the global debug
-     * flag
-     *
-     * @return if dump sms is enabled
-     */
-    public static boolean isDumpSmsEnabled() {
-        if (!DebugUtils.isDebugEnabled()) {
-            return false;
-        }
-        return getDumpSmsOrMmsPref(R.string.dump_sms_pref_key, R.bool.dump_sms_pref_default);
-    }
-
-    /**
-     * Checks if we should dump mms, based on both the setting and the global debug
-     * flag
-     *
-     * @return if dump mms is enabled
-     */
-    public static boolean isDumpMmsEnabled() {
-        if (!DebugUtils.isDebugEnabled()) {
-            return false;
-        }
-        return getDumpSmsOrMmsPref(R.string.dump_mms_pref_key, R.bool.dump_mms_pref_default);
-    }
-
-    /**
-     * Load the value of dump sms or mms setting preference
-     */
-    private static boolean getDumpSmsOrMmsPref(final int prefKeyRes, final int defaultKeyRes) {
-        final Context context = Factory.get().getApplicationContext();
-        final Resources resources = context.getResources();
-        final BuglePrefs prefs = BuglePrefs.getApplicationPrefs();
-        final String key = resources.getString(prefKeyRes);
-        final boolean defaultValue = resources.getBoolean(defaultKeyRes);
-        return prefs.getBoolean(key, defaultValue);
-    }
-
     public static final Uri MMS_PART_CONTENT_URI = Uri.parse("content://mms/part");
 
     /**
@@ -1731,9 +1692,7 @@ public class MmsUtils {
     public static MessagePartData createMmsMessagePart(final DatabaseMessages.MmsPart part) {
         MessagePartData messagePart = null;
         if (part.isText()) {
-            final int mmsTextLengthLimit =
-                    BugleGservices.get().getInt(BugleGservicesKeys.MMS_TEXT_LIMIT,
-                            BugleGservicesKeys.MMS_TEXT_LIMIT_DEFAULT);
+            final int mmsTextLengthLimit = BugleGservicesKeys.MMS_TEXT_LIMIT_DEFAULT;
             String text = part.mText;
             if (text != null && text.length() > mmsTextLengthLimit) {
                 // Limit the text to a reasonable value. We ran into a situation where a vcard
@@ -1806,44 +1765,30 @@ public class MmsUtils {
         int status = MMS_REQUEST_MANUAL_RETRY;
         try {
             RetrieveConf retrieveConf = null;
-            if (DebugUtils.isDebugEnabled() &&
-                    MediaScratchFileProvider
-                            .isMediaScratchSpaceUri(Uri.parse(contentLocation))) {
-                if (LogUtil.isLoggable(TAG, LogUtil.DEBUG)) {
-                    LogUtil.d(TAG, "MmsUtils: Reading MMS from dump file: " + contentLocation);
-                }
-                final String fileName = Uri.parse(contentLocation).getPathSegments().get(1);
-                final byte[] data = DebugUtils.receiveFromDumpFile(fileName);
-                retrieveConf = receiveFromDumpFile(data);
-            } else {
-                if (LogUtil.isLoggable(TAG, LogUtil.DEBUG)) {
-                    LogUtil.d(TAG, "MmsUtils: Downloading MMS via MMS lib API; notification "
-                            + "message: " + notificationUri);
-                }
-                if (subId < 0) {
-                    LogUtil.e(TAG, "MmsUtils: Incoming MMS came from unknown SIM");
-                    throw new MmsFailureException(MMS_REQUEST_NO_RETRY,
-                            "Message from unknown SIM");
-                }
-                if (extras == null) {
-                    extras = new Bundle();
-                }
-                extras.putParcelable(DownloadMmsAction.EXTRA_NOTIFICATION_URI, notificationUri);
-                extras.putInt(DownloadMmsAction.EXTRA_SUB_ID, subId);
-                extras.putString(DownloadMmsAction.EXTRA_SUB_PHONE_NUMBER, subPhoneNumber);
-                extras.putString(DownloadMmsAction.EXTRA_TRANSACTION_ID, transactionId);
-                extras.putString(DownloadMmsAction.EXTRA_CONTENT_LOCATION, contentLocation);
-                extras.putBoolean(DownloadMmsAction.EXTRA_AUTO_DOWNLOAD, autoDownload);
-                extras.putLong(DownloadMmsAction.EXTRA_RECEIVED_TIMESTAMP,
-                        receivedTimestampInSeconds);
-                extras.putLong(DownloadMmsAction.EXTRA_EXPIRY, expiry);
-
-                MmsSender.downloadMms(context, subId, contentLocation, extras);
-                return STATUS_PENDING; // Download happens asynchronously; no status to return
+            if (LogUtil.isLoggable(TAG, LogUtil.DEBUG)) {
+                LogUtil.d(TAG, "MmsUtils: Downloading MMS via MMS lib API; notification "
+                        + "message: " + notificationUri);
             }
-            return insertDownloadedMessageAndSendResponse(context, notificationUri, subId,
-                    subPhoneNumber, transactionId, contentLocation, autoDownload,
-                    receivedTimestampInSeconds, expiry, retrieveConf);
+            if (subId < 0) {
+                LogUtil.e(TAG, "MmsUtils: Incoming MMS came from unknown SIM");
+                throw new MmsFailureException(MMS_REQUEST_NO_RETRY,
+                        "Message from unknown SIM");
+            }
+            if (extras == null) {
+                extras = new Bundle();
+            }
+            extras.putParcelable(DownloadMmsAction.EXTRA_NOTIFICATION_URI, notificationUri);
+            extras.putInt(DownloadMmsAction.EXTRA_SUB_ID, subId);
+            extras.putString(DownloadMmsAction.EXTRA_SUB_PHONE_NUMBER, subPhoneNumber);
+            extras.putString(DownloadMmsAction.EXTRA_TRANSACTION_ID, transactionId);
+            extras.putString(DownloadMmsAction.EXTRA_CONTENT_LOCATION, contentLocation);
+            extras.putBoolean(DownloadMmsAction.EXTRA_AUTO_DOWNLOAD, autoDownload);
+            extras.putLong(DownloadMmsAction.EXTRA_RECEIVED_TIMESTAMP,
+                    receivedTimestampInSeconds);
+            extras.putLong(DownloadMmsAction.EXTRA_EXPIRY, expiry);
+
+            MmsSender.downloadMms(context, subId, contentLocation, extras);
+            return STATUS_PENDING; // Download happens asynchronously; no status to return
 
         } catch (final MmsFailureException e) {
             LogUtil.e(TAG, "MmsUtils: failed to download message " + notificationUri, e);
diff --git a/src/com/android/messaging/sms/SmsSender.java b/src/com/android/messaging/sms/SmsSender.java
index 0a863ac..d5f56c5 100644
--- a/src/com/android/messaging/sms/SmsSender.java
+++ b/src/com/android/messaging/sms/SmsSender.java
@@ -33,7 +33,6 @@ import com.android.messaging.Factory;
 import com.android.messaging.R;
 import com.android.messaging.receiver.SendStatusReceiver;
 import com.android.messaging.util.Assert;
-import com.android.messaging.util.BugleGservices;
 import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.LogUtil;
 import com.android.messaging.util.PhoneUtils;
@@ -225,9 +224,8 @@ public class SmsSender {
                 context, subId, dest, messages, serviceCenter, requireDeliveryReport, messageUri);
         // Wait for pending intent to come back
         synchronized (pendingResult) {
-            final long smsSendTimeoutInMillis = BugleGservices.get().getLong(
-                    BugleGservicesKeys.SMS_SEND_TIMEOUT_IN_MILLIS,
-                    BugleGservicesKeys.SMS_SEND_TIMEOUT_IN_MILLIS_DEFAULT);
+            final long smsSendTimeoutInMillis =
+                    BugleGservicesKeys.SMS_SEND_TIMEOUT_IN_MILLIS_DEFAULT;
             final long beginTime = SystemClock.elapsedRealtime();
             long waitTime = smsSendTimeoutInMillis;
             // We could possibly be woken up while still pending
diff --git a/src/com/android/messaging/ui/UIIntents.java b/src/com/android/messaging/ui/UIIntents.java
index 554f02c..7dcc813 100644
--- a/src/com/android/messaging/ui/UIIntents.java
+++ b/src/com/android/messaging/ui/UIIntents.java
@@ -154,11 +154,6 @@ public abstract class UIIntents {
     public abstract void launchCreateNewConversationActivity(final Context context,
             final MessageData draft);
 
-    /**
-     * Launch debug activity to set MMS config options.
-     */
-    public abstract void launchDebugMmsConfigActivity(final Context context);
-
     /**
      * Launch an activity to change settings.
      */
@@ -325,16 +320,6 @@ public abstract class UIIntents {
     public abstract PendingIntent getPendingIntentForSecondaryUserNewMessageNotification(
             final Context context);
 
-    /**
-     * Get an intent for showing the APN editor.
-     */
-    public abstract Intent getApnEditorIntent(final Context context, final String rowId, int subId);
-
-    /**
-     * Get an intent for showing the APN settings.
-     */
-    public abstract Intent getApnSettingsIntent(final Context context, final int subId);
-
     /**
      * Get an intent for showing advanced settings.
      */
diff --git a/src/com/android/messaging/ui/UIIntentsImpl.java b/src/com/android/messaging/ui/UIIntentsImpl.java
index 04a4532..12a037a 100644
--- a/src/com/android/messaging/ui/UIIntentsImpl.java
+++ b/src/com/android/messaging/ui/UIIntentsImpl.java
@@ -23,7 +23,6 @@ import android.app.role.RoleManager;
 import android.appwidget.AppWidgetManager;
 import android.content.ActivityNotFoundException;
 import android.content.ClipData;
-import android.content.ComponentName;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
@@ -34,7 +33,7 @@ import android.os.Bundle;
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.Intents;
 import android.provider.MediaStore;
-import android.provider.Telephony;
+
 import androidx.annotation.Nullable;
 import androidx.core.app.TaskStackBuilder;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
@@ -50,8 +49,6 @@ import com.android.messaging.datamodel.data.MessagePartData;
 import com.android.messaging.datamodel.data.ParticipantData;
 import com.android.messaging.receiver.NotificationReceiver;
 import com.android.messaging.sms.MmsSmsUtils;
-import com.android.messaging.ui.appsettings.ApnEditorActivity;
-import com.android.messaging.ui.appsettings.ApnSettingsActivity;
 import com.android.messaging.ui.appsettings.ApplicationSettingsActivity;
 import com.android.messaging.ui.appsettings.PerSubscriptionSettingsActivity;
 import com.android.messaging.ui.appsettings.SettingsActivity;
@@ -62,7 +59,6 @@ import com.android.messaging.ui.conversationlist.ArchivedConversationListActivit
 import com.android.messaging.ui.conversationlist.ConversationListActivity;
 import com.android.messaging.ui.conversationlist.ForwardMessageActivity;
 import com.android.messaging.ui.conversationsettings.PeopleAndOptionsActivity;
-import com.android.messaging.ui.debug.DebugMmsConfigActivity;
 import com.android.messaging.ui.photoviewer.BuglePhotoViewActivity;
 import com.android.messaging.util.Assert;
 import com.android.messaging.util.ContentType;
@@ -192,11 +188,6 @@ public class UIIntentsImpl extends UIIntents {
         context.startActivity(intent);
     }
 
-    @Override
-    public void launchDebugMmsConfigActivity(final Context context) {
-        context.startActivity(new Intent(context, DebugMmsConfigActivity.class));
-    }
-
     @Override
     public void launchAddContactActivity(final Context context, final String destination) {
         final Intent intent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
@@ -449,21 +440,6 @@ public class UIIntentsImpl extends UIIntents {
         return getPendingIntentForConversationListActivity(context);
     }
 
-    @Override
-    public Intent getApnEditorIntent(final Context context, final String rowId, final int subId) {
-        final Intent intent = new Intent(context, ApnEditorActivity.class);
-        intent.putExtra(UI_INTENT_EXTRA_APN_ROW_ID, rowId);
-        intent.putExtra(UI_INTENT_EXTRA_SUB_ID, subId);
-        return intent;
-    }
-
-    @Override
-    public Intent getApnSettingsIntent(final Context context, final int subId) {
-        final Intent intent = new Intent(context, ApnSettingsActivity.class)
-                .putExtra(UI_INTENT_EXTRA_SUB_ID, subId);
-        return intent;
-    }
-
     @Override
     public Intent getAdvancedSettingsIntent(final Context context) {
         return getPerSubscriptionSettingsIntent(context, ParticipantData.DEFAULT_SELF_SUB_ID, null);
diff --git a/src/com/android/messaging/ui/appsettings/ApnEditorActivity.java b/src/com/android/messaging/ui/appsettings/ApnEditorActivity.java
deleted file mode 100644
index 8081cd5..0000000
--- a/src/com/android/messaging/ui/appsettings/ApnEditorActivity.java
+++ /dev/null
@@ -1,466 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project     
- * Copyright (C) 2024 The LineageOS Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.ui.appsettings;
-
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.content.ContentValues;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.os.AsyncTask;
-import android.os.Bundle;
-import android.preference.EditTextPreference;
-import android.preference.Preference;
-import android.preference.PreferenceFragment;
-import android.provider.Telephony;
-
-import androidx.annotation.NonNull;
-import androidx.core.app.NavUtils;
-import android.view.KeyEvent;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-
-import com.android.messaging.R;
-import com.android.messaging.datamodel.data.ParticipantData;
-import com.android.messaging.sms.ApnDatabase;
-import com.android.messaging.sms.BugleApnSettingsLoader;
-import com.android.messaging.ui.BugleActionBarActivity;
-import com.android.messaging.ui.UIIntents;
-import com.android.messaging.util.PhoneUtils;
-
-public class ApnEditorActivity extends BugleActionBarActivity {
-    private static final int ERROR_DIALOG_ID = 0;
-    private static final String ERROR_MESSAGE_KEY = "error_msg";
-    private ApnEditorFragment mApnEditorFragment;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-
-        // Display the fragment as the main content.
-        mApnEditorFragment = new ApnEditorFragment();
-        mApnEditorFragment.setSubId(getIntent().getIntExtra(UIIntents.UI_INTENT_EXTRA_SUB_ID,
-                ParticipantData.DEFAULT_SELF_SUB_ID));
-        getFragmentManager().beginTransaction()
-            .replace(android.R.id.content, mApnEditorFragment)
-            .commit();
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(@NonNull final MenuItem item) {
-        switch (item.getItemId()) {
-            case android.R.id.home:
-                NavUtils.navigateUpFromSameTask(this);
-                return true;
-        }
-        return super.onOptionsItemSelected(item);
-    }
-
-    @Override
-    protected Dialog onCreateDialog(int id, Bundle args) {
-
-        if (id == ERROR_DIALOG_ID) {
-            String msg = args.getString(ERROR_MESSAGE_KEY);
-
-            return new AlertDialog.Builder(this)
-                .setPositiveButton(android.R.string.ok, null)
-                .setMessage(msg)
-                .create();
-        }
-
-        return super.onCreateDialog(id);
-    }
-
-    @Override
-    public boolean onKeyDown(int keyCode, KeyEvent event) {
-        switch (keyCode) {
-            case KeyEvent.KEYCODE_BACK: {
-                if (mApnEditorFragment.validateAndSave(false)) {
-                    finish();
-                }
-                return true;
-            }
-        }
-        return super.onKeyDown(keyCode, event);
-    }
-
-    @Override
-    protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
-        super.onPrepareDialog(id, dialog);
-
-        if (id == ERROR_DIALOG_ID) {
-            final String msg = args.getString(ERROR_MESSAGE_KEY);
-
-            if (msg != null) {
-                ((AlertDialog) dialog).setMessage(msg);
-            }
-        }
-    }
-
-    public static class ApnEditorFragment extends PreferenceFragment implements
-        SharedPreferences.OnSharedPreferenceChangeListener {
-
-        private static final String SAVED_POS = "pos";
-
-        private static final int MENU_DELETE = Menu.FIRST;
-        private static final int MENU_SAVE = Menu.FIRST + 1;
-        private static final int MENU_CANCEL = Menu.FIRST + 2;
-
-        private EditTextPreference mMmsProxy;
-        private EditTextPreference mMmsPort;
-        private EditTextPreference mName;
-        private EditTextPreference mMmsc;
-        private EditTextPreference mMcc;
-        private EditTextPreference mMnc;
-        private static String sNotSet;
-
-        private String mCurMnc;
-        private String mCurMcc;
-
-        private Cursor mCursor;
-        private boolean mNewApn;
-        private boolean mFirstTime;
-        private String mCurrentId;
-
-        private int mSubId;
-
-        /**
-         * Standard projection for the interesting columns of a normal note.
-         */
-        private static final String[] sProjection = new String[] {
-            Telephony.Carriers._ID,         // 0
-            Telephony.Carriers.NAME,        // 1
-            Telephony.Carriers.MMSC,        // 2
-            Telephony.Carriers.MCC,         // 3
-            Telephony.Carriers.MNC,         // 4
-            Telephony.Carriers.NUMERIC,     // 5
-            Telephony.Carriers.MMSPROXY,    // 6
-            Telephony.Carriers.MMSPORT,     // 7
-            Telephony.Carriers.TYPE,        // 8
-        };
-
-        private static final int ID_INDEX = 0;
-        private static final int NAME_INDEX = 1;
-        private static final int MMSC_INDEX = 2;
-        private static final int MCC_INDEX = 3;
-        private static final int MNC_INDEX = 4;
-        private static final int NUMERIC_INDEX = 5;
-        private static final int MMSPROXY_INDEX = 6;
-        private static final int MMSPORT_INDEX = 7;
-        private static final int TYPE_INDEX = 8;
-
-        private SQLiteDatabase mDatabase;
-
-        @Override
-        public void onCreate(Bundle icicle) {
-            super.onCreate(icicle);
-
-        }
-
-        @Override
-        public void onActivityCreated(Bundle savedInstanceState) {
-            super.onActivityCreated(savedInstanceState);
-
-            addPreferencesFromResource(R.xml.apn_editor);
-
-            setHasOptionsMenu(true);
-
-            sNotSet = getResources().getString(R.string.apn_not_set);
-            mName = (EditTextPreference) findPreference("apn_name");
-            mMmsProxy = (EditTextPreference) findPreference("apn_mms_proxy");
-            mMmsPort = (EditTextPreference) findPreference("apn_mms_port");
-            mMmsc = (EditTextPreference) findPreference("apn_mmsc");
-            mMcc = (EditTextPreference) findPreference("apn_mcc");
-            mMnc = (EditTextPreference) findPreference("apn_mnc");
-
-            final Intent intent = getActivity().getIntent();
-
-            mFirstTime = savedInstanceState == null;
-            mCurrentId = intent.getStringExtra(UIIntents.UI_INTENT_EXTRA_APN_ROW_ID);
-            mNewApn = mCurrentId == null;
-
-            mDatabase = ApnDatabase.getApnDatabase().getWritableDatabase();
-
-            if (mNewApn) {
-                fillUi();
-            } else {
-                // Do initial query not on the UI thread
-                new AsyncTask<Void, Void, Void>() {
-                    @Override
-                    protected Void doInBackground(Void... params) {
-                        if (mCurrentId != null) {
-                            String selection = Telephony.Carriers._ID + " =?";
-                            String[] selectionArgs = new String[]{ mCurrentId };
-                            mCursor = mDatabase.query(ApnDatabase.APN_TABLE, sProjection, selection,
-                                    selectionArgs, null, null, null, null);
-                        }
-                        return null;
-                    }
-
-                    @Override
-                    protected void onPostExecute(Void result) {
-                        if (mCursor == null) {
-                            getActivity().finish();
-                            return;
-                        }
-                        mCursor.moveToFirst();
-
-                        fillUi();
-                    }
-                }.execute((Void) null);
-            }
-        }
-
-        @Override
-        public void onDestroy() {
-            super.onDestroy();
-            if (mCursor != null) {
-                mCursor.close();
-                mCursor = null;
-            }
-        }
-
-        @Override
-        public void onResume() {
-            super.onResume();
-            getPreferenceScreen().getSharedPreferences()
-            .registerOnSharedPreferenceChangeListener(this);
-        }
-
-        @Override
-        public void onPause() {
-            getPreferenceScreen().getSharedPreferences()
-            .unregisterOnSharedPreferenceChangeListener(this);
-            super.onPause();
-        }
-
-        public void setSubId(final int subId) {
-            mSubId = subId;
-        }
-
-        private void fillUi() {
-            if (mNewApn) {
-                mMcc.setText(null);
-                mMnc.setText(null);
-                String numeric = PhoneUtils.get(mSubId).getSimOperatorNumeric();
-                // MCC is first 3 chars and then in 2 - 3 chars of MNC
-                if (numeric != null && numeric.length() > 4) {
-                    // Country code
-                    String mcc = numeric.substring(0, 3);
-                    // Network code
-                    String mnc = numeric.substring(3);
-                    // Auto populate MNC and MCC for new entries, based on what SIM reports
-                    mMcc.setText(mcc);
-                    mMnc.setText(mnc);
-                    mCurMnc = mnc;
-                    mCurMcc = mcc;
-                }
-                mName.setText(null);
-                mMmsProxy.setText(null);
-                mMmsPort.setText(null);
-                mMmsc.setText(null);
-            } else if (mFirstTime) {
-                mFirstTime = false;
-                // Fill in all the values from the db in both text editor and summary
-                mName.setText(mCursor.getString(NAME_INDEX));
-                mMmsProxy.setText(mCursor.getString(MMSPROXY_INDEX));
-                mMmsPort.setText(mCursor.getString(MMSPORT_INDEX));
-                mMmsc.setText(mCursor.getString(MMSC_INDEX));
-                mMcc.setText(mCursor.getString(MCC_INDEX));
-                mMnc.setText(mCursor.getString(MNC_INDEX));
-            }
-
-            mName.setSummary(checkNull(mName.getText()));
-            mMmsProxy.setSummary(checkNull(mMmsProxy.getText()));
-            mMmsPort.setSummary(checkNull(mMmsPort.getText()));
-            mMmsc.setSummary(checkNull(mMmsc.getText()));
-            mMcc.setSummary(checkNull(mMcc.getText()));
-            mMnc.setSummary(checkNull(mMnc.getText()));
-        }
-
-        @Override
-        public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-            super.onCreateOptionsMenu(menu, inflater);
-            // If it's a new APN, then cancel will delete the new entry in onPause
-            if (!mNewApn) {
-                menu.add(0, MENU_DELETE, 0, R.string.menu_delete_apn)
-                    .setIcon(R.drawable.ic_delete_small_dark);
-            }
-            menu.add(0, MENU_SAVE, 0, R.string.menu_save_apn)
-                .setIcon(android.R.drawable.ic_menu_save);
-            menu.add(0, MENU_CANCEL, 0, R.string.menu_discard_apn_change)
-                .setIcon(android.R.drawable.ic_menu_close_clear_cancel);
-        }
-
-        @Override
-        public boolean onOptionsItemSelected(MenuItem item) {
-            switch (item.getItemId()) {
-                case MENU_DELETE:
-                    deleteApn();
-                    return true;
-
-                case MENU_SAVE:
-                    if (validateAndSave(false)) {
-                        getActivity().finish();
-                    }
-                    return true;
-
-                case MENU_CANCEL:
-                    getActivity().finish();
-                    return true;
-
-                case android.R.id.home:
-                    getActivity().onBackPressed();
-                    return true;
-            }
-            return super.onOptionsItemSelected(item);
-        }
-
-        @Override
-        public void onSaveInstanceState(Bundle icicle) {
-            super.onSaveInstanceState(icicle);
-            if (validateAndSave(true) && mCursor != null) {
-                icicle.putInt(SAVED_POS, mCursor.getInt(ID_INDEX));
-            }
-        }
-
-        /**
-         * Check the key fields' validity and save if valid.
-         * @param force save even if the fields are not valid, if the app is
-         *        being suspended
-         * @return true if the data was saved
-         */
-        private boolean validateAndSave(boolean force) {
-            final String name = checkNotSet(mName.getText());
-            final String mcc = checkNotSet(mMcc.getText());
-            final String mnc = checkNotSet(mMnc.getText());
-
-            if (getErrorMsg() != null && !force) {
-                final Bundle bundle = new Bundle();
-                bundle.putString(ERROR_MESSAGE_KEY, getErrorMsg());
-                getActivity().showDialog(ERROR_DIALOG_ID, bundle);
-                return false;
-            }
-
-            // Make database changes not on the UI thread
-            new AsyncTask<Void, Void, Void>() {
-                @Override
-                protected Void doInBackground(Void... params) {
-                    ContentValues values = new ContentValues();
-
-                    // Add a placeholder name "Untitled", if the user exits the screen without
-                    // adding a name but entered other information worth keeping.
-                    values.put(Telephony.Carriers.NAME, name.length() < 1 ?
-                            getResources().getString(R.string.untitled_apn) : name);
-                    values.put(Telephony.Carriers.MMSPROXY, checkNotSet(mMmsProxy.getText()));
-                    values.put(Telephony.Carriers.MMSPORT, checkNotSet(mMmsPort.getText()));
-                    values.put(Telephony.Carriers.MMSC, checkNotSet(mMmsc.getText()));
-
-                    values.put(Telephony.Carriers.TYPE, BugleApnSettingsLoader.APN_TYPE_MMS);
-
-                    values.put(Telephony.Carriers.MCC, mcc);
-                    values.put(Telephony.Carriers.MNC, mnc);
-
-                    values.put(Telephony.Carriers.NUMERIC, mcc + mnc);
-
-                    if (mCurMnc != null && mCurMcc != null) {
-                        if (mCurMnc.equals(mnc) && mCurMcc.equals(mcc)) {
-                            values.put(Telephony.Carriers.CURRENT, 1);
-                        }
-                    }
-
-                    if (mNewApn) {
-                        mDatabase.insert(ApnDatabase.APN_TABLE, null, values);
-                    } else {
-                        // update the APN
-                        String selection = Telephony.Carriers._ID + " =?";
-                        String[] selectionArgs = new String[]{ mCurrentId };
-                        int updated = mDatabase.update(ApnDatabase.APN_TABLE, values,
-                                selection, selectionArgs);
-                    }
-                    return null;
-                }
-            }.execute((Void) null);
-
-            return true;
-        }
-
-        private void deleteApn() {
-            // Make database changes not on the UI thread
-            new AsyncTask<Void, Void, Void>() {
-                @Override
-                protected Void doInBackground(Void... params) {
-                    // delete the APN
-                    String where = Telephony.Carriers._ID + " =?";
-                    String[] whereArgs = new String[]{ mCurrentId };
-
-                    mDatabase.delete(ApnDatabase.APN_TABLE, where, whereArgs);
-                    return null;
-                }
-            }.execute((Void) null);
-
-            getActivity().finish();
-        }
-
-        private String checkNull(String value) {
-            if (value == null || value.length() == 0) {
-                return sNotSet;
-            } else {
-                return value;
-            }
-        }
-
-        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-            Preference pref = findPreference(key);
-            if (pref != null) {
-                pref.setSummary(checkNull(sharedPreferences.getString(key, "")));
-            }
-        }
-
-        private String getErrorMsg() {
-            String errorMsg = null;
-
-            String name = checkNotSet(mName.getText());
-            String mcc = checkNotSet(mMcc.getText());
-            String mnc = checkNotSet(mMnc.getText());
-
-            if (name.length() < 1) {
-                errorMsg = getString(R.string.error_apn_name_empty);
-            } else if (mcc.length() != 3) {
-                errorMsg = getString(R.string.error_mcc_not3);
-            } else if ((mnc.length() & 0xFFFE) != 2) {
-                errorMsg = getString(R.string.error_mnc_not23);
-            }
-
-            return errorMsg;
-        }
-
-        private String checkNotSet(String value) {
-            if (value == null || value.equals(sNotSet)) {
-                return "";
-            } else {
-                return value;
-            }
-        }
-    }
-}
diff --git a/src/com/android/messaging/ui/appsettings/ApnPreference.java b/src/com/android/messaging/ui/appsettings/ApnPreference.java
deleted file mode 100644
index 64358eb..0000000
--- a/src/com/android/messaging/ui/appsettings/ApnPreference.java
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.ui.appsettings;
-
-import android.content.Context;
-import android.preference.Preference;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup;
-import android.widget.CompoundButton;
-import android.widget.RadioButton;
-import android.widget.RelativeLayout;
-
-import com.android.messaging.R;
-import com.android.messaging.datamodel.data.ParticipantData;
-import com.android.messaging.ui.UIIntents;
-
-/**
- * ApnPreference implements a pref, typically used as a list item, that has a title/summary on
- * the left and a radio button on the right.
- *
- */
-public class ApnPreference extends Preference implements
-        CompoundButton.OnCheckedChangeListener, OnClickListener {
-    static final String TAG = "ApnPreference";
-
-    public ApnPreference(Context context, AttributeSet attrs, int defStyle) {
-        super(context, attrs, defStyle);
-    }
-
-    public ApnPreference(Context context, AttributeSet attrs) {
-        this(context, attrs, R.attr.apnPreferenceStyle);
-    }
-
-    public ApnPreference(Context context) {
-        this(context, null);
-    }
-
-    private static String mSelectedKey = null;
-    private static CompoundButton mCurrentChecked = null;
-    private boolean mProtectFromCheckedChange = false;
-    private boolean mSelectable = true;
-    private int mSubId = ParticipantData.DEFAULT_SELF_SUB_ID;
-
-    @Override
-    public View getView(View convertView, ViewGroup parent) {
-        View view = super.getView(convertView, parent);
-
-        View widget = view.findViewById(R.id.apn_radiobutton);
-        if ((widget != null) && widget instanceof RadioButton) {
-            RadioButton rb = (RadioButton) widget;
-            if (mSelectable) {
-                rb.setOnCheckedChangeListener(this);
-
-                boolean isChecked = getKey().equals(mSelectedKey);
-                if (isChecked) {
-                    mCurrentChecked = rb;
-                    mSelectedKey = getKey();
-                }
-
-                mProtectFromCheckedChange = true;
-                rb.setChecked(isChecked);
-                mProtectFromCheckedChange = false;
-            } else {
-                rb.setVisibility(View.GONE);
-            }
-            rb.setContentDescription(getTitle());
-        }
-
-        View textLayout = view.findViewById(R.id.text_layout);
-        if ((textLayout != null) && textLayout instanceof RelativeLayout) {
-            textLayout.setOnClickListener(this);
-        }
-
-        return view;
-    }
-
-    public boolean isChecked() {
-        return getKey().equals(mSelectedKey);
-    }
-
-    public void setChecked() {
-        mSelectedKey = getKey();
-    }
-
-    public void setSubId(final int subId) {
-        mSubId = subId;
-    }
-
-    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
-        Log.i(TAG, "ID: " + getKey() + " :" + isChecked);
-        if (mProtectFromCheckedChange) {
-            return;
-        }
-
-        if (isChecked) {
-            if (mCurrentChecked != null) {
-                mCurrentChecked.setChecked(false);
-            }
-            mCurrentChecked = buttonView;
-            mSelectedKey = getKey();
-            callChangeListener(mSelectedKey);
-        } else {
-            mCurrentChecked = null;
-            mSelectedKey = null;
-        }
-        buttonView.setContentDescription(getTitle());
-    }
-
-    public void onClick(android.view.View v) {
-        if ((v != null) && (R.id.text_layout == v.getId())) {
-            Context context = getContext();
-            if (context != null) {
-                context.startActivity(
-                        UIIntents.get().getApnEditorIntent(context, getKey(), mSubId));
-            }
-        }
-    }
-
-    public void setSelectable(boolean selectable) {
-        mSelectable = selectable;
-    }
-
-    public boolean getSelectable() {
-        return mSelectable;
-    }
-}
diff --git a/src/com/android/messaging/ui/appsettings/ApnSettingsActivity.java b/src/com/android/messaging/ui/appsettings/ApnSettingsActivity.java
deleted file mode 100644
index 9ce1c5d..0000000
--- a/src/com/android/messaging/ui/appsettings/ApnSettingsActivity.java
+++ /dev/null
@@ -1,402 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- * Copyright (C) 2024 The LineageOS Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.ui.appsettings;
-
-import android.app.Activity;
-import android.app.Dialog;
-import android.app.ProgressDialog;
-import android.content.ContentValues;
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.os.AsyncTask;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.HandlerThread;
-import android.os.Looper;
-import android.os.Message;
-import android.os.UserManager;
-import android.preference.Preference;
-import android.preference.PreferenceFragment;
-import android.preference.PreferenceGroup;
-import android.preference.PreferenceScreen;
-import android.provider.Telephony;
-
-import androidx.annotation.NonNull;
-import androidx.core.app.NavUtils;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.widget.ListView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import com.android.messaging.R;
-import com.android.messaging.datamodel.data.ParticipantData;
-import com.android.messaging.sms.ApnDatabase;
-import com.android.messaging.sms.BugleApnSettingsLoader;
-import com.android.messaging.ui.BugleActionBarActivity;
-import com.android.messaging.ui.UIIntents;
-import com.android.messaging.util.PhoneUtils;
-
-public class ApnSettingsActivity extends BugleActionBarActivity {
-    private static final int DIALOG_RESTORE_DEFAULTAPN = 1001;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-
-        // Display the fragment as the main content.
-        final ApnSettingsFragment fragment = new ApnSettingsFragment();
-        fragment.setSubId(getIntent().getIntExtra(UIIntents.UI_INTENT_EXTRA_SUB_ID,
-                ParticipantData.DEFAULT_SELF_SUB_ID));
-        getFragmentManager().beginTransaction()
-                .replace(android.R.id.content, fragment)
-                .commit();
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(@NonNull final MenuItem item) {
-        switch (item.getItemId()) {
-        case android.R.id.home:
-            NavUtils.navigateUpFromSameTask(this);
-            return true;
-        }
-        return super.onOptionsItemSelected(item);
-    }
-
-    @Override
-    protected Dialog onCreateDialog(int id) {
-        if (id == DIALOG_RESTORE_DEFAULTAPN) {
-            ProgressDialog dialog = new ProgressDialog(this);
-            dialog.setMessage(getResources().getString(R.string.restore_default_apn));
-            dialog.setCancelable(false);
-            return dialog;
-        }
-        return null;
-    }
-
-    public static class ApnSettingsFragment extends PreferenceFragment implements
-            Preference.OnPreferenceChangeListener {
-        public static final String EXTRA_POSITION = "position";
-
-        public static final String APN_ID = "apn_id";
-
-        private static final String[] APN_PROJECTION = {
-            Telephony.Carriers._ID,         // 0
-            Telephony.Carriers.NAME,        // 1
-            Telephony.Carriers.APN,         // 2
-            Telephony.Carriers.TYPE         // 3
-        };
-        private static final int ID_INDEX    = 0;
-        private static final int NAME_INDEX  = 1;
-        private static final int APN_INDEX   = 2;
-        private static final int TYPES_INDEX = 3;
-
-        private static final int MENU_NEW = Menu.FIRST;
-        private static final int MENU_RESTORE = Menu.FIRST + 1;
-
-        private static final int EVENT_RESTORE_DEFAULTAPN_START = 1;
-        private static final int EVENT_RESTORE_DEFAULTAPN_COMPLETE = 2;
-
-        private static boolean mRestoreDefaultApnMode;
-
-        private RestoreApnUiHandler mRestoreApnUiHandler;
-        private RestoreApnProcessHandler mRestoreApnProcessHandler;
-        private HandlerThread mRestoreDefaultApnThread;
-
-        private String mSelectedKey;
-
-        private static final ContentValues sCurrentNullMap;
-        private static final ContentValues sCurrentSetMap;
-
-        private UserManager mUm;
-
-        private boolean mUnavailable;
-        private int mSubId;
-
-        static {
-            sCurrentNullMap = new ContentValues(1);
-            sCurrentNullMap.putNull(Telephony.Carriers.CURRENT);
-
-            sCurrentSetMap = new ContentValues(1);
-            sCurrentSetMap.put(Telephony.Carriers.CURRENT, "2");    // 2 for user-selected APN,
-            // 1 for Bugle-selected APN
-        }
-
-        private SQLiteDatabase mDatabase;
-
-        public void setSubId(final int subId) {
-            mSubId = subId;
-        }
-
-        @Override
-        public void onCreate(Bundle icicle) {
-            super.onCreate(icicle);
-
-            mDatabase = ApnDatabase.getApnDatabase().getWritableDatabase();
-            mUm = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
-            if (!mUm.hasUserRestriction(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS)) {
-                setHasOptionsMenu(true);
-            }
-        }
-
-        @Override
-        public void onActivityCreated(Bundle savedInstanceState) {
-            super.onActivityCreated(savedInstanceState);
-
-            final ListView lv = (ListView) getView().findViewById(android.R.id.list);
-            TextView empty = (TextView) getView().findViewById(android.R.id.empty);
-            if (empty != null) {
-                empty.setText(R.string.apn_settings_not_available);
-                lv.setEmptyView(empty);
-            }
-
-            if (mUm.hasUserRestriction(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS)) {
-                mUnavailable = true;
-                setPreferenceScreen(getPreferenceManager().createPreferenceScreen(getActivity()));
-                return;
-            }
-
-            addPreferencesFromResource(R.xml.apn_settings);
-
-            lv.setItemsCanFocus(true);
-        }
-
-        @Override
-        public void onResume() {
-            super.onResume();
-
-            if (mUnavailable) {
-                return;
-            }
-
-            if (!mRestoreDefaultApnMode) {
-                fillList();
-            }
-        }
-
-        @Override
-        public void onPause() {
-            super.onPause();
-
-            if (mUnavailable) {
-                return;
-            }
-        }
-
-        @Override
-        public void onDestroy() {
-            super.onDestroy();
-
-            if (mRestoreDefaultApnThread != null) {
-                mRestoreDefaultApnThread.quit();
-            }
-        }
-
-        private void fillList() {
-            final String mccMnc = PhoneUtils.getMccMncString(PhoneUtils.get(mSubId).getMccMnc());
-
-            new AsyncTask<Void, Void, Cursor>() {
-                @Override
-                protected Cursor doInBackground(Void... params) {
-                    String selection = Telephony.Carriers.NUMERIC + " =?";
-                    String[] selectionArgs = new String[]{ mccMnc };
-                    final Cursor cursor = mDatabase.query(ApnDatabase.APN_TABLE, APN_PROJECTION,
-                            selection, selectionArgs, null, null, null, null);
-                    return cursor;
-                }
-
-                @Override
-                protected void onPostExecute(Cursor cursor) {
-                    if (cursor != null) {
-                        try {
-                            PreferenceGroup apnList = (PreferenceGroup)
-                                    findPreference(getString(R.string.apn_list_pref_key));
-                            apnList.removeAll();
-
-                            mSelectedKey = BugleApnSettingsLoader.getFirstTryApn(mDatabase, mccMnc);
-                            while (cursor.moveToNext()) {
-                                String name = cursor.getString(NAME_INDEX);
-                                String apn = cursor.getString(APN_INDEX);
-                                String key = cursor.getString(ID_INDEX);
-                                String type = cursor.getString(TYPES_INDEX);
-
-                                if (BugleApnSettingsLoader.isValidApnType(type,
-                                        BugleApnSettingsLoader.APN_TYPE_MMS)) {
-                                    ApnPreference pref = new ApnPreference(getActivity());
-                                    pref.setKey(key);
-                                    pref.setTitle(name);
-                                    pref.setSummary(apn);
-                                    pref.setPersistent(false);
-                                    pref.setOnPreferenceChangeListener(ApnSettingsFragment.this);
-                                    pref.setSelectable(true);
-
-                                    // Turn on the radio button for the currently selected APN. If
-                                    // there is no selected APN, don't select an APN.
-                                    if ((mSelectedKey != null && mSelectedKey.equals(key))) {
-                                        pref.setChecked();
-                                    }
-                                    apnList.addPreference(pref);
-                                }
-                            }
-                        } finally {
-                            cursor.close();
-                        }
-                    }
-                }
-            }.execute((Void) null);
-        }
-
-        @Override
-        public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-            if (!mUnavailable) {
-                menu.add(0, MENU_NEW, 0,
-                        getResources().getString(R.string.menu_new_apn))
-                        .setIcon(R.drawable.ic_add_white)
-                        .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
-                menu.add(0, MENU_RESTORE, 0,
-                        getResources().getString(R.string.menu_restore_default_apn))
-                        .setIcon(android.R.drawable.ic_menu_upload);
-            }
-
-            super.onCreateOptionsMenu(menu, inflater);
-        }
-
-        @Override
-        public boolean onOptionsItemSelected(MenuItem item) {
-            switch (item.getItemId()) {
-                case MENU_NEW:
-                    addNewApn();
-                    return true;
-
-                case MENU_RESTORE:
-                    restoreDefaultApn();
-                    return true;
-            }
-            return super.onOptionsItemSelected(item);
-        }
-
-        private void addNewApn() {
-            startActivity(UIIntents.get().getApnEditorIntent(getActivity(), null, mSubId));
-        }
-
-        @Override
-        public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
-                Preference preference) {
-            startActivity(
-                    UIIntents.get().getApnEditorIntent(getActivity(), preference.getKey(), mSubId));
-            return true;
-        }
-
-        @Override
-        public boolean onPreferenceChange(Preference preference, Object newValue) {
-            if (newValue instanceof String) {
-                setSelectedApnKey((String) newValue);
-            }
-
-            return true;
-        }
-
-        // current=2 means user selected APN
-        private static final String UPDATE_SELECTION = Telephony.Carriers.CURRENT + " =?";
-        private static final String[] UPDATE_SELECTION_ARGS = new String[] { "2" };
-        private void setSelectedApnKey(final String key) {
-            mSelectedKey = key;
-
-            // Make database changes not on the UI thread
-            new AsyncTask<Void, Void, Void>() {
-                @Override
-                protected Void doInBackground(Void... params) {
-                    // null out the previous "current=2" APN
-                    mDatabase.update(ApnDatabase.APN_TABLE, sCurrentNullMap,
-                            UPDATE_SELECTION, UPDATE_SELECTION_ARGS);
-
-                    // set the new "current" APN (2)
-                    String selection = Telephony.Carriers._ID + " =?";
-                    String[] selectionArgs = new String[]{ key };
-
-                    mDatabase.update(ApnDatabase.APN_TABLE, sCurrentSetMap,
-                            selection, selectionArgs);
-                    return null;
-                }
-            }.execute((Void) null);
-        }
-
-        private boolean restoreDefaultApn() {
-            getActivity().showDialog(DIALOG_RESTORE_DEFAULTAPN);
-            mRestoreDefaultApnMode = true;
-
-            if (mRestoreApnUiHandler == null) {
-                mRestoreApnUiHandler = new RestoreApnUiHandler();
-            }
-
-            if (mRestoreApnProcessHandler == null ||
-                    mRestoreDefaultApnThread == null) {
-                mRestoreDefaultApnThread = new HandlerThread(
-                        "Restore default APN Handler: Process Thread");
-                mRestoreDefaultApnThread.start();
-                mRestoreApnProcessHandler = new RestoreApnProcessHandler(
-                        mRestoreDefaultApnThread.getLooper(), mRestoreApnUiHandler);
-            }
-
-            mRestoreApnProcessHandler.sendEmptyMessage(EVENT_RESTORE_DEFAULTAPN_START);
-            return true;
-        }
-
-        private class RestoreApnUiHandler extends Handler {
-            @Override
-            public void handleMessage(Message msg) {
-                switch (msg.what) {
-                    case EVENT_RESTORE_DEFAULTAPN_COMPLETE:
-                        fillList();
-                        getPreferenceScreen().setEnabled(true);
-                        mRestoreDefaultApnMode = false;
-                        final Activity activity = getActivity();
-                        activity.dismissDialog(DIALOG_RESTORE_DEFAULTAPN);
-                        Toast.makeText(activity, getResources().getString(
-                                        R.string.restore_default_apn_completed), Toast.LENGTH_LONG)
-                                            .show();
-                        break;
-                }
-            }
-        }
-
-        private static class RestoreApnProcessHandler extends Handler {
-            private final Handler mCachedRestoreApnUiHandler;
-
-            public RestoreApnProcessHandler(Looper looper, Handler restoreApnUiHandler) {
-                super(looper);
-                this.mCachedRestoreApnUiHandler = restoreApnUiHandler;
-            }
-
-            @Override
-            public void handleMessage(Message msg) {
-                switch (msg.what) {
-                    case EVENT_RESTORE_DEFAULTAPN_START:
-                        ApnDatabase.forceBuildAndLoadApnTables();
-                        mCachedRestoreApnUiHandler.sendEmptyMessage(
-                                EVENT_RESTORE_DEFAULTAPN_COMPLETE);
-                        break;
-                }
-            }
-        }
-    }
-}
diff --git a/src/com/android/messaging/ui/appsettings/ApplicationSettingsActivity.java b/src/com/android/messaging/ui/appsettings/ApplicationSettingsActivity.java
index 1ae14e5..8ae7e5e 100644
--- a/src/com/android/messaging/ui/appsettings/ApplicationSettingsActivity.java
+++ b/src/com/android/messaging/ui/appsettings/ApplicationSettingsActivity.java
@@ -38,7 +38,6 @@ import com.android.messaging.ui.BugleActionBarActivity;
 import com.android.messaging.ui.LicenseActivity;
 import com.android.messaging.ui.UIIntents;
 import com.android.messaging.util.BuglePrefs;
-import com.android.messaging.util.DebugUtils;
 import com.android.messaging.util.PhoneUtils;
 
 public class ApplicationSettingsActivity extends BugleActionBarActivity {
@@ -117,12 +116,6 @@ public class ApplicationSettingsActivity extends BugleActionBarActivity {
                     (SwitchPreference) findPreference(mSwipeRightToDeleteConversationkey);
             mIsSmsPreferenceClicked = false;
 
-            if (!DebugUtils.isDebugEnabled()) {
-                final Preference debugCategory = findPreference(getString(
-                        R.string.debug_pref_key));
-                getPreferenceScreen().removePreference(debugCategory);
-            }
-
             final PreferenceScreen advancedScreen = (PreferenceScreen) findPreference(
                     getString(R.string.advanced_pref_key));
             final boolean topLevel = getActivity().getIntent().getBooleanExtra(
diff --git a/src/com/android/messaging/ui/appsettings/PerSubscriptionSettingsActivity.java b/src/com/android/messaging/ui/appsettings/PerSubscriptionSettingsActivity.java
index 4a33920..4988060 100644
--- a/src/com/android/messaging/ui/appsettings/PerSubscriptionSettingsActivity.java
+++ b/src/com/android/messaging/ui/appsettings/PerSubscriptionSettingsActivity.java
@@ -138,23 +138,6 @@ public class PerSubscriptionSettingsActivity extends BugleActionBarActivity {
                 advancedCategory.removePreference(deliveryReportsPref);
             }
 
-            // Access Point Names (APNs)
-            final PreferenceScreen apnsScreen =
-                    (PreferenceScreen) findPreference(getString(R.string.sms_apns_key));
-
-            if (!MmsManager.shouldUseLegacyMms()
-                    || (MmsUtils.useSystemApnTable() && !ApnDatabase.doesDatabaseExist())) {
-                // 1) Remove the ability to edit the local APN prefs if it doesn't use legacy APIs.
-                // 2) Don't remove the ability to edit the local APN prefs if this device lets us
-                // access the system APN, but we can't find the MCC/MNC in the APN table and we
-                // created the local APN table in case the MCC/MNC was in there. In other words,
-                // if the local APN table exists, let the user edit it.
-                advancedCategory.removePreference((Preference) apnsScreen);
-            } else {
-                apnsScreen.setIntent(UIIntents.get()
-                        .getApnSettingsIntent(getPreferenceScreen().getContext(), mSubId));
-            }
-
             // We want to disable preferences if we are not the default app, but we do all of the
             // above first so that the user sees the correct information on the screen
             if (!PhoneUtils.getDefault().isDefaultSmsApp()) {
diff --git a/src/com/android/messaging/ui/contact/ContactRecipientAdapter.java b/src/com/android/messaging/ui/contact/ContactRecipientAdapter.java
index 6cd3b7f..e43cf4e 100644
--- a/src/com/android/messaging/ui/contact/ContactRecipientAdapter.java
+++ b/src/com/android/messaging/ui/contact/ContactRecipientAdapter.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,7 +18,6 @@ package com.android.messaging.ui.contact;
 
 import android.content.Context;
 import android.database.Cursor;
-import android.database.MergeCursor;
 import androidx.core.util.Pair;
 import android.text.TextUtils;
 import android.text.util.Rfc822Token;
@@ -35,8 +35,6 @@ import com.android.ex.chips.RecipientEntry;
 import com.android.messaging.R;
 import com.android.messaging.util.Assert;
 import com.android.messaging.util.Assert.DoesNotRunOnMainThread;
-import com.android.messaging.util.BugleGservices;
-import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.ContactRecipientEntryUtils;
 import com.android.messaging.util.ContactUtil;
 import com.android.messaging.util.PhoneUtils;
@@ -116,40 +114,16 @@ public final class ContactRecipientAdapter extends BaseRecipientAdapter {
         @DoesNotRunOnMainThread
         private CursorResult getFilteredResultsCursor(final String searchText) {
             Assert.isNotMainThread();
-            if (BugleGservices.get().getBoolean(
-                    BugleGservicesKeys.ALWAYS_AUTOCOMPLETE_EMAIL_ADDRESS,
-                    BugleGservicesKeys.ALWAYS_AUTOCOMPLETE_EMAIL_ADDRESS_DEFAULT)) {
-
-                final Cursor personalFilterPhonesCursor = ContactUtil
-                        .filterPhones(getContext(), searchText).performSynchronousQuery();
-                final Cursor personalFilterEmailsCursor = ContactUtil
-                        .filterEmails(getContext(), searchText).performSynchronousQuery();
-                final Cursor personalCursor = new MergeCursor(
-                        new Cursor[]{personalFilterEmailsCursor, personalFilterPhonesCursor});
-                final CursorResult cursorResult =
-                        new CursorResult(personalCursor, false /* sorted */);
-                // Including enterprise result starting from N.
-                final Cursor enterpriseFilterPhonesCursor = ContactUtil.filterPhonesEnterprise(
-                        getContext(), searchText).performSynchronousQuery();
-                final Cursor enterpriseFilterEmailsCursor = ContactUtil.filterEmailsEnterprise(
-                        getContext(), searchText).performSynchronousQuery();
-                final Cursor enterpriseCursor = new MergeCursor(
-                        new Cursor[]{enterpriseFilterEmailsCursor,
-                                enterpriseFilterPhonesCursor});
-                cursorResult.enterpriseCursor = enterpriseCursor;
-                return cursorResult;
-            } else {
-                final Cursor personalFilterDestinationCursor = ContactUtil
-                        .filterDestination(getContext(), searchText).performSynchronousQuery();
-                final CursorResult cursorResult = new CursorResult(personalFilterDestinationCursor,
-                        true);
-                // Including enterprise result starting from N.
-                final Cursor enterpriseFilterDestinationCursor = ContactUtil
-                        .filterDestinationEnterprise(getContext(), searchText)
-                        .performSynchronousQuery();
-                cursorResult.enterpriseCursor = enterpriseFilterDestinationCursor;
-                return cursorResult;
-            }
+            final Cursor personalFilterDestinationCursor = ContactUtil
+                    .filterDestination(getContext(), searchText).performSynchronousQuery();
+            final CursorResult cursorResult = new CursorResult(personalFilterDestinationCursor,
+                    true);
+            // Including enterprise result starting from N.
+            final Cursor enterpriseFilterDestinationCursor = ContactUtil
+                    .filterDestinationEnterprise(getContext(), searchText)
+                    .performSynchronousQuery();
+            cursorResult.enterpriseCursor = enterpriseFilterDestinationCursor;
+            return cursorResult;
         }
 
         @Override
diff --git a/src/com/android/messaging/ui/conversation/MessageDetailsDialog.java b/src/com/android/messaging/ui/conversation/MessageDetailsDialog.java
index 0091b7d..1d2f3aa 100644
--- a/src/com/android/messaging/ui/conversation/MessageDetailsDialog.java
+++ b/src/com/android/messaging/ui/conversation/MessageDetailsDialog.java
@@ -37,9 +37,7 @@ import com.android.messaging.sms.MmsUtils;
 import com.android.messaging.util.Assert;
 import com.android.messaging.util.Assert.DoesNotRunOnMainThread;
 import com.android.messaging.util.Dates;
-import com.android.messaging.util.DebugUtils;
 import com.android.messaging.util.PhoneUtils;
-import com.android.messaging.util.SafeAsyncTask;
 
 import java.util.List;
 
@@ -52,22 +50,8 @@ public class MessageDetailsDialog {
 
     public static void show(final Context context, final ConversationMessageData data,
             final ConversationParticipantsData participants, final ParticipantData self) {
-        if (DebugUtils.isDebugEnabled()) {
-            new SafeAsyncTask<Void, Void, String>() {
-                @Override
-                protected String doInBackgroundTimed(Void... params) {
-                    return getMessageDetails(context, data, participants, self);
-                }
-
-                @Override
-                protected void onPostExecute(String messageDetails) {
-                    showDialog(context, messageDetails);
-                }
-            }.executeOnThreadPool(null, null, null);
-        } else {
-            String messageDetails = getMessageDetails(context, data, participants, self);
-            showDialog(context, messageDetails);
-        }
+        String messageDetails = getMessageDetails(context, data, participants, self);
+        showDialog(context, messageDetails);
     }
 
     private static String getMessageDetails(final Context context,
@@ -140,10 +124,6 @@ public class MessageDetailsDialog {
 
         appendSimInfo(res, self, details);
 
-        if (DebugUtils.isDebugEnabled()) {
-            appendDebugInfo(details, data);
-        }
-
         return details.toString();
     }
 
@@ -206,10 +186,6 @@ public class MessageDetailsDialog {
 
         appendSimInfo(res, self, details);
 
-        if (DebugUtils.isDebugEnabled()) {
-            appendDebugInfo(details, data);
-        }
-
         return details.toString();
     }
 
diff --git a/src/com/android/messaging/ui/conversationlist/AbstractConversationListActivity.java b/src/com/android/messaging/ui/conversationlist/AbstractConversationListActivity.java
index 5a72875..fdf0d5a 100644
--- a/src/com/android/messaging/ui/conversationlist/AbstractConversationListActivity.java
+++ b/src/com/android/messaging/ui/conversationlist/AbstractConversationListActivity.java
@@ -40,9 +40,6 @@ import com.android.messaging.ui.UIIntents;
 import com.android.messaging.ui.contact.AddContactsConfirmationDialog;
 import com.android.messaging.ui.conversationlist.ConversationListFragment.ConversationListFragmentHost;
 import com.android.messaging.ui.conversationlist.MultiSelectActionModeCallback.SelectedConversation;
-import com.android.messaging.util.BugleGservices;
-import com.android.messaging.util.BugleGservicesKeys;
-import com.android.messaging.util.DebugUtils;
 import com.android.messaging.util.PhoneUtils;
 import com.android.messaging.util.Trace;
 import com.android.messaging.util.UiUtils;
@@ -268,10 +265,6 @@ public abstract class AbstractConversationListActivity  extends BugleActionBarAc
                         conversationId);
     }
 
-    public void onActionBarDebug() {
-        DebugUtils.showDebugOptions(this);
-    }
-
     private static class UpdateDestinationBlockedActionSnackBar
             implements UpdateDestinationBlockedAction.UpdateDestinationBlockedActionListener {
         private final Context mContext;
diff --git a/src/com/android/messaging/ui/conversationlist/ArchivedConversationListActivity.java b/src/com/android/messaging/ui/conversationlist/ArchivedConversationListActivity.java
index 21e6ff1..31ad047 100644
--- a/src/com/android/messaging/ui/conversationlist/ArchivedConversationListActivity.java
+++ b/src/com/android/messaging/ui/conversationlist/ArchivedConversationListActivity.java
@@ -21,11 +21,9 @@ import android.os.Bundle;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.ActionBar;
-import android.view.Menu;
 import android.view.MenuItem;
 
 import com.android.messaging.R;
-import com.android.messaging.util.DebugUtils;
 
 public class ArchivedConversationListActivity extends AbstractConversationListActivity {
 
@@ -60,25 +58,8 @@ public class ArchivedConversationListActivity extends AbstractConversationListAc
     }
 
     @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        if (super.onCreateOptionsMenu(menu)) {
-            return true;
-        }
-        getMenuInflater().inflate(R.menu.archived_conversation_list_menu, menu);
-        final MenuItem item = menu.findItem(R.id.action_debug_options);
-        if (item != null) {
-            final boolean enableDebugItems = DebugUtils.isDebugEnabled();
-            item.setVisible(enableDebugItems).setEnabled(enableDebugItems);
-        }
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(@NonNull MenuItem menuItem) {
+    public boolean onOptionsItemSelected(MenuItem menuItem) {
         switch(menuItem.getItemId()) {
-            case R.id.action_debug_options:
-                onActionBarDebug();
-                return true;
             case android.R.id.home:
                 onActionBarHome();
                 return true;
diff --git a/src/com/android/messaging/ui/conversationlist/ConversationListActivity.java b/src/com/android/messaging/ui/conversationlist/ConversationListActivity.java
index 359b57b..5ea0204 100644
--- a/src/com/android/messaging/ui/conversationlist/ConversationListActivity.java
+++ b/src/com/android/messaging/ui/conversationlist/ConversationListActivity.java
@@ -27,7 +27,6 @@ import android.view.MenuItem;
 
 import com.android.messaging.R;
 import com.android.messaging.ui.UIIntents;
-import com.android.messaging.util.DebugUtils;
 import com.android.messaging.util.Trace;
 
 public class ConversationListActivity extends AbstractConversationListActivity {
@@ -77,11 +76,6 @@ public class ConversationListActivity extends AbstractConversationListActivity {
             return true;
         }
         getMenuInflater().inflate(R.menu.conversation_list_fragment_menu, menu);
-        final MenuItem item = menu.findItem(R.id.action_debug_options);
-        if (item != null) {
-            final boolean enableDebugItems = DebugUtils.isDebugEnabled();
-            item.setVisible(enableDebugItems).setEnabled(enableDebugItems);
-        }
         return true;
     }
 
@@ -94,9 +88,6 @@ public class ConversationListActivity extends AbstractConversationListActivity {
             case R.id.action_settings:
                 onActionBarSettings();
                 return true;
-            case R.id.action_debug_options:
-                onActionBarDebug();
-                return true;
             case R.id.action_show_archived:
                 onActionBarArchived();
                 return true;
diff --git a/src/com/android/messaging/ui/debug/DebugMmsConfigActivity.java b/src/com/android/messaging/ui/debug/DebugMmsConfigActivity.java
deleted file mode 100644
index 485dcf7..0000000
--- a/src/com/android/messaging/ui/debug/DebugMmsConfigActivity.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.ui.debug;
-
-import android.os.Bundle;
-
-import com.android.messaging.R;
-import com.android.messaging.ui.BaseBugleActivity;
-
-/**
- * Show list of all MmsConfig key/value pairs and allow editing.
- */
-public class DebugMmsConfigActivity extends BaseBugleActivity {
-
-    @Override
-    protected void onCreate(final Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.debug_mmsconfig_activity);
-    }
-}
diff --git a/src/com/android/messaging/ui/debug/DebugMmsConfigFragment.java b/src/com/android/messaging/ui/debug/DebugMmsConfigFragment.java
deleted file mode 100644
index a129fa8..0000000
--- a/src/com/android/messaging/ui/debug/DebugMmsConfigFragment.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.messaging.ui.debug;
-
-import android.app.Fragment;
-import android.content.Context;
-import android.os.Bundle;
-import android.telephony.SubscriptionInfo;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.AdapterView.OnItemSelectedListener;
-import android.widget.ArrayAdapter;
-import android.widget.BaseAdapter;
-import android.widget.ListView;
-import android.widget.Spinner;
-import android.widget.TextView;
-
-import com.android.messaging.R;
-import com.android.messaging.sms.MmsConfig;
-import com.android.messaging.ui.debug.DebugMmsConfigItemView.MmsConfigItemListener;
-import com.android.messaging.util.PhoneUtils;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.List;
-
-/**
- * Show list of all MmsConfig key/value pairs and allow editing.
- */
-public class DebugMmsConfigFragment extends Fragment {
-    @Override
-    public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
-            final Bundle savedInstanceState) {
-        final View fragmentView = inflater.inflate(R.layout.mms_config_debug_fragment, container,
-                false);
-        final ListView listView = (ListView) fragmentView.findViewById(android.R.id.list);
-        final Spinner spinner = (Spinner) fragmentView.findViewById(R.id.sim_selector);
-        final Integer[] subIdArray = getActiveSubIds();
-        ArrayAdapter<Integer> spinnerAdapter = new ArrayAdapter<Integer>(getActivity(),
-                android.R.layout.simple_spinner_item, subIdArray);
-        spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
-        spinner.setAdapter(spinnerAdapter);
-        spinner.setOnItemSelectedListener(new OnItemSelectedListener() {
-            @Override
-            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
-                listView.setAdapter(new MmsConfigAdapter(getActivity(), subIdArray[position]));
-
-                final int[] mccmnc = PhoneUtils.get(subIdArray[position]).getMccMnc();
-                // Set the title with the mcc/mnc
-                final TextView title = (TextView) fragmentView.findViewById(R.id.sim_title);
-                title.setText("(" + mccmnc[0] + "/" + mccmnc[1] + ") " +
-                        getActivity().getString(R.string.debug_sub_id_spinner_text));
-            }
-
-            @Override
-            public void onNothingSelected(AdapterView<?> parent) {
-            }
-        });
-
-        return fragmentView;
-    }
-
-    public static Integer[] getActiveSubIds() {
-        final List<SubscriptionInfo> subRecords =
-                PhoneUtils.getDefault().getActiveSubscriptionInfoList();
-        if (subRecords == null) {
-            return new Integer[0];
-        }
-        final Integer[] retArray = new Integer[subRecords.size()];
-        for (int i = 0; i < subRecords.size(); i++) {
-            retArray[i] = subRecords.get(i).getSubscriptionId();
-        }
-        return retArray;
-    }
-
-    private class MmsConfigAdapter extends BaseAdapter implements
-            DebugMmsConfigItemView.MmsConfigItemListener {
-        private final LayoutInflater mInflater;
-        private final List<String> mKeys;
-        private final MmsConfig mMmsConfig;
-
-        public MmsConfigAdapter(Context context, int subId) {
-            mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-            mMmsConfig = MmsConfig.get(subId);
-            mKeys = new ArrayList<>(mMmsConfig.keySet());
-            Iterator<String> it = mKeys.iterator();
-            while (it.hasNext()) {
-                // Remove a config if the MmsConfig.sKeyTypeMap doesn't have it.
-                if (MmsConfig.getKeyType(it.next()) == null) {
-                    it.remove();
-                }
-            }
-            Collections.sort(mKeys);
-        }
-
-        @Override
-        public View getView(final int position, final View convertView, final ViewGroup parent) {
-            final DebugMmsConfigItemView view;
-            if (convertView != null && convertView instanceof DebugMmsConfigItemView) {
-                view = (DebugMmsConfigItemView) convertView;
-            } else {
-                view = (DebugMmsConfigItemView) mInflater.inflate(
-                        R.layout.debug_mmsconfig_item_view, parent, false);
-            }
-            final String key = mKeys.get(position);
-            view.bind(key,
-                    MmsConfig.getKeyType(key),
-                    String.valueOf(mMmsConfig.getValue(key)),
-                    this);
-            return view;
-        }
-
-        @Override
-        public void onValueChanged(String key, String keyType, String value) {
-            mMmsConfig.update(keyType, key, value);
-            notifyDataSetChanged();
-        }
-
-        @Override
-        public int getCount() {
-            return mKeys.size();
-        }
-
-        @Override
-        public Object getItem(int position) {
-            return mKeys.get(position);
-        }
-
-        @Override
-        public long getItemId(int position) {
-            return position;
-        }
-    }
-}
diff --git a/src/com/android/messaging/ui/debug/DebugMmsConfigItemView.java b/src/com/android/messaging/ui/debug/DebugMmsConfigItemView.java
deleted file mode 100644
index e6a4d9c..0000000
--- a/src/com/android/messaging/ui/debug/DebugMmsConfigItemView.java
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- * Copyright (C) 2024 The LineageOS Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.messaging.ui.debug;
-
-import android.app.AlertDialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.text.InputType;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.inputmethod.InputMethodManager;
-import android.widget.CompoundButton;
-import android.widget.CompoundButton.OnCheckedChangeListener;
-import android.widget.EditText;
-import android.widget.LinearLayout;
-import android.widget.Switch;
-import android.widget.TextView;
-
-import com.android.messaging.R;
-import com.android.messaging.sms.MmsConfig;
-import com.android.messaging.util.LogUtil;
-
-public class DebugMmsConfigItemView extends LinearLayout implements OnClickListener,
-        OnCheckedChangeListener, DialogInterface.OnClickListener {
-
-    public interface MmsConfigItemListener {
-        void onValueChanged(String key, String keyType, String value);
-    }
-
-    private TextView mTitle;
-    private TextView mTextValue;
-    private Switch mSwitch;
-    private String mKey;
-    private String mKeyType;
-    private MmsConfigItemListener mListener;
-    private EditText mEditText;
-
-    public DebugMmsConfigItemView(Context context, AttributeSet attributeSet) {
-        super(context, attributeSet);
-    }
-
-    @Override
-    protected void onFinishInflate () {
-        mTitle = (TextView) findViewById(R.id.title);
-        mTextValue = (TextView) findViewById(R.id.text_value);
-        mSwitch = (Switch) findViewById(R.id.switch_button);
-        setOnClickListener(this);
-        mSwitch.setOnCheckedChangeListener(this);
-    }
-
-    public void bind(final String key, final String keyType, final String value,
-            final MmsConfigItemListener listener) {
-        mListener = listener;
-        mKey = key;
-        mKeyType = keyType;
-        mTitle.setText(key);
-
-        switch (keyType) {
-            case MmsConfig.KEY_TYPE_BOOL:
-                mSwitch.setVisibility(View.VISIBLE);
-                mTextValue.setVisibility(View.GONE);
-                mSwitch.setChecked(Boolean.valueOf(value));
-                break;
-            case MmsConfig.KEY_TYPE_STRING:
-            case MmsConfig.KEY_TYPE_INT:
-                mTextValue.setVisibility(View.VISIBLE);
-                mSwitch.setVisibility(View.GONE);
-                mTextValue.setText(value);
-                break;
-            default:
-                mTextValue.setVisibility(View.GONE);
-                mSwitch.setVisibility(View.GONE);
-                LogUtil.e(LogUtil.BUGLE_TAG, "Unexpected keytype: " + keyType);
-                break;
-        }
-    }
-
-    @Override
-    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
-        mListener.onValueChanged(mKey, mKeyType, String.valueOf(isChecked));
-    }
-
-    @Override
-    public void onClick(View v) {
-        if (MmsConfig.KEY_TYPE_BOOL.equals(mKeyType)) {
-            return;
-        }
-        final Context context = getContext();
-        mEditText = new EditText(context);
-        mEditText.setText(mTextValue.getText());
-        mEditText.setFocusable(true);
-        if (MmsConfig.KEY_TYPE_INT.equals(mKeyType)) {
-            mEditText.setInputType(InputType.TYPE_CLASS_PHONE);
-        } else {
-            mEditText.setInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
-        }
-        final AlertDialog dialog = new AlertDialog.Builder(context)
-                .setTitle(mKey)
-                .setView(mEditText)
-                .setPositiveButton(android.R.string.ok, this)
-                .setNegativeButton(android.R.string.cancel, null)
-                .create();
-        dialog.setOnShowListener(dialog1 -> {
-            mEditText.requestFocus();
-            mEditText.selectAll();
-            ((InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE))
-                    .toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, 0);
-        });
-        dialog.show();
-    }
-
-    @Override
-    public void onClick(DialogInterface dialog, int which) {
-        mListener.onValueChanged(mKey, mKeyType, mEditText.getText().toString());
-    }
-}
diff --git a/src/com/android/messaging/ui/debug/DebugSmsMmsFromDumpFileDialogFragment.java b/src/com/android/messaging/ui/debug/DebugSmsMmsFromDumpFileDialogFragment.java
deleted file mode 100644
index 148dba1..0000000
--- a/src/com/android/messaging/ui/debug/DebugSmsMmsFromDumpFileDialogFragment.java
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- * Copyright (C) 2024 The LineageOS Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.ui.debug;
-
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.app.DialogFragment;
-import android.content.Context;
-import android.content.Intent;
-import android.content.res.Resources;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.Environment;
-import android.telephony.SmsMessage;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ArrayAdapter;
-import android.widget.ListView;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-
-import com.android.messaging.R;
-import com.android.messaging.datamodel.action.ReceiveMmsMessageAction;
-import com.android.messaging.datamodel.data.ParticipantData;
-import com.android.messaging.receiver.SmsReceiver;
-import com.android.messaging.sms.MmsUtils;
-import com.android.messaging.util.DebugUtils;
-import com.android.messaging.util.LogUtil;
-
-/**
- * Class that displays UI for choosing SMS/MMS dump files for debugging
- */
-public class DebugSmsMmsFromDumpFileDialogFragment extends DialogFragment {
-    public static final String APPLICATION_OCTET_STREAM = "application/octet-stream";
-    public static final String KEY_DUMP_FILES = "dump_files";
-    public static final String KEY_ACTION = "action";
-
-    public static final String ACTION_LOAD = "load";
-    public static final String ACTION_EMAIL = "email";
-
-    private String[] mDumpFiles;
-    private String mAction;
-
-    public static DebugSmsMmsFromDumpFileDialogFragment newInstance(final String[] dumpFiles,
-            final String action) {
-        final DebugSmsMmsFromDumpFileDialogFragment frag =
-                new DebugSmsMmsFromDumpFileDialogFragment();
-        final Bundle args = new Bundle();
-        args.putSerializable(KEY_DUMP_FILES, dumpFiles);
-        args.putString(KEY_ACTION, action);
-        frag.setArguments(args);
-        return frag;
-    }
-
-    @Override
-    public Dialog onCreateDialog(final Bundle savedInstanceState) {
-        final Bundle args = getArguments();
-        mDumpFiles = (String[]) args.getSerializable(KEY_DUMP_FILES);
-        mAction = args.getString(KEY_ACTION);
-
-        final LayoutInflater inflater = getActivity().getLayoutInflater();
-        final View layout = inflater.inflate(
-                R.layout.debug_sms_mms_from_dump_file_dialog, null/*root*/);
-        final ListView list = (ListView) layout.findViewById(R.id.dump_file_list);
-        list.setAdapter(new DumpFileListAdapter(getActivity(), mDumpFiles));
-        final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-        final Resources resources = getResources();
-        if (ACTION_LOAD.equals(mAction)) {
-            builder.setTitle(resources.getString(
-                    R.string.load_sms_mms_from_dump_file_dialog_title));
-        } else if (ACTION_EMAIL.equals(mAction)) {
-            builder.setTitle(resources.getString(
-                    R.string.email_sms_mms_from_dump_file_dialog_title));
-        }
-        builder.setView(layout);
-        return builder.create();
-    }
-
-    private class DumpFileListAdapter extends ArrayAdapter<String> {
-        public DumpFileListAdapter(final Context context, final String[] dumpFiles) {
-            super(context, R.layout.sms_mms_dump_file_list_item, dumpFiles);
-        }
-
-        @NonNull
-        @Override
-        public View getView(final int position, final View view, @NonNull final ViewGroup parent) {
-            TextView actionItemView;
-            if (view == null || !(view instanceof TextView)) {
-                final LayoutInflater inflater = LayoutInflater.from(getContext());
-                actionItemView = (TextView) inflater.inflate(
-                        R.layout.sms_mms_dump_file_list_item, parent, false);
-            } else {
-                actionItemView = (TextView) view;
-            }
-
-            final String file = getItem(position);
-            actionItemView.setText(file);
-            actionItemView.setOnClickListener(view1 -> {
-                dismiss();
-                if (ACTION_LOAD.equals(mAction)) {
-                    receiveFromDumpFile(file);
-                } else if (ACTION_EMAIL.equals(mAction)) {
-                    emailDumpFile(file);
-                }
-            });
-            return actionItemView;
-        }
-    }
-
-    /**
-     * Load MMS/SMS from the dump file
-     */
-    private void receiveFromDumpFile(final String dumpFileName) {
-        if (dumpFileName.startsWith(MmsUtils.SMS_DUMP_PREFIX)) {
-            final SmsMessage[] messages = DebugUtils.retreiveSmsFromDumpFile(dumpFileName);
-            if (messages != null) {
-                SmsReceiver.deliverSmsMessages(getActivity(), ParticipantData.DEFAULT_SELF_SUB_ID,
-                        0, messages);
-            } else {
-                LogUtil.e(LogUtil.BUGLE_TAG,
-                        "receiveFromDumpFile: invalid sms dump file " + dumpFileName);
-            }
-        } else if (dumpFileName.startsWith(MmsUtils.MMS_DUMP_PREFIX)) {
-            final byte[] data = MmsUtils.createDebugNotificationInd(dumpFileName);
-            if (data != null) {
-                final ReceiveMmsMessageAction action = new ReceiveMmsMessageAction(
-                        ParticipantData.DEFAULT_SELF_SUB_ID, data);
-                action.start();
-            } else {
-                LogUtil.e(LogUtil.BUGLE_TAG,
-                        "receiveFromDumpFile: invalid mms dump file " + dumpFileName);
-            }
-        } else {
-            LogUtil.e(LogUtil.BUGLE_TAG,
-                    "receiveFromDumpFile: invalid dump file name " + dumpFileName);
-        }
-    }
-
-    /**
-     * Launch email app to send the dump file
-     */
-    private void emailDumpFile(final String file) {
-        final Resources resources = getResources();
-        final String fileLocation = "file://"
-                + Environment.getExternalStorageDirectory() + "/" + file;
-        final Intent sharingIntent = new Intent(Intent.ACTION_SEND);
-        sharingIntent.setType(APPLICATION_OCTET_STREAM);
-        sharingIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse(fileLocation));
-        sharingIntent.putExtra(Intent.EXTRA_SUBJECT,
-                resources.getString(R.string.email_sms_mms_dump_file_subject));
-        getActivity().startActivity(Intent.createChooser(sharingIntent,
-                resources.getString(R.string.email_sms_mms_dump_file_chooser_title)));
-    }
-}
diff --git a/src/com/android/messaging/ui/mediapicker/CameraManager.java b/src/com/android/messaging/ui/mediapicker/CameraManager.java
index 68d7459..5fae086 100644
--- a/src/com/android/messaging/ui/mediapicker/CameraManager.java
+++ b/src/com/android/messaging/ui/mediapicker/CameraManager.java
@@ -45,8 +45,6 @@ import com.android.messaging.sms.MmsConfig;
 import com.android.messaging.ui.mediapicker.camerafocus.FocusOverlayManager;
 import com.android.messaging.ui.mediapicker.camerafocus.RenderOverlay;
 import com.android.messaging.util.Assert;
-import com.android.messaging.util.BugleGservices;
-import com.android.messaging.util.BugleGservicesKeys;
 import com.android.messaging.util.LogUtil;
 import com.android.messaging.util.OsUtil;
 import com.android.messaging.util.UiUtils;
@@ -975,9 +973,7 @@ class CameraManager implements FocusOverlayManager.Listener {
         screenWidth *= scaleFactor;
         screenHeight *= scaleFactor;
 
-        final float aspectRatio = BugleGservices.get().getFloat(
-                BugleGservicesKeys.CAMERA_ASPECT_RATIO,
-                screenWidth / (float) screenHeight);
+        final float aspectRatio = screenWidth / (float) screenHeight;
         final List<Camera.Size> sizes = new ArrayList<Camera.Size>(
                 mCamera.getParameters().getSupportedPictureSizes());
         final int maxPixels = maxWidth * maxHeight;
diff --git a/src/com/android/messaging/util/Assert.java b/src/com/android/messaging/util/Assert.java
index 69edf92..3887f32 100644
--- a/src/com/android/messaging/util/Assert.java
+++ b/src/com/android/messaging/util/Assert.java
@@ -40,27 +40,12 @@ public final class Assert {
         sShouldCrash = sIsEngBuild = true;
     }
 
-    private static void refreshGservices(final BugleGservices gservices) {
-        sShouldCrash = sIsEngBuild;
-        if (!sShouldCrash) {
-            sShouldCrash = gservices.getBoolean(
-                    BugleGservicesKeys.ASSERTS_FATAL,
-                    BugleGservicesKeys.ASSERTS_FATAL_DEFAULT);
-        }
-    }
-
     // Static initializer block to find out if we're running an eng or
     // release build.
     static {
         setIfEngBuild();
     }
 
-    // This is called from FactoryImpl once the Gservices class is initialized.
-    public static void initializeGservices (final BugleGservices gservices) {
-        gservices.registerForChanges(() -> refreshGservices(gservices));
-        refreshGservices(gservices);
-    }
-
     /**
      * Halt execution if this is not an eng build.
      * <p>Intended for use in code paths that should be run only for tests and never on
diff --git a/src/com/android/messaging/util/BugleGservices.java b/src/com/android/messaging/util/BugleGservices.java
deleted file mode 100644
index 2e095de..0000000
--- a/src/com/android/messaging/util/BugleGservices.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.util;
-
-import com.android.messaging.Factory;
-
-/**
- * A thin wrapper for getting GServices value. During constructor time a one time background thread
- * will cache all GServices key with the prefix of "bugle_". All get calls will wait for Gservices
- * to finish caching the first time. In practice, the background thread will finish before any get
- * request.
- */
-public abstract class BugleGservices {
-    static final String BUGLE_GSERVICES_PREFIX = "bugle_";
-
-    public static BugleGservices get() {
-        return Factory.get().getBugleGservices();
-    }
-
-    public abstract void registerForChanges(final Runnable r);
-
-    /**
-     * @param key The key to look up in GServices
-     * @param defaultValue The default value if value in GServices is null or if
-     * NumberFormatException is caught.
-     * @return The corresponding value, or the default value.
-     */
-    public abstract long getLong(final String key, final long defaultValue);
-
-    /**
-     * @param key The key to look up in GServices
-     * @param defaultValue The default value if value in GServices is null or if
-     * NumberFormatException is caught.
-     * @return The corresponding value, or the default value.
-     */
-    public abstract int getInt(final String key, final int defaultValue);
-
-    /**
-     * @param key The key to look up in GServices
-     * @param defaultValue The default value if value in GServices is null.
-     * @return The corresponding value, or the default value.
-     */
-    public abstract boolean getBoolean(final String key, final boolean defaultValue);
-
-    /**
-     * @param key The key to look up in GServices
-     * @param defaultValue The default value if value in GServices is null.
-     * @return The corresponding value, or the default value.
-     */
-    public abstract String getString(final String key, final String defaultValue);
-
-    /**
-     * @param key The key to look up in GServices
-     * @param defaultValue The default value if value in GServices is null.
-     * @return The corresponding value, or the default value.
-     */
-    public abstract float getFloat(final String key, final float defaultValue);
-}
diff --git a/src/com/android/messaging/util/BugleGservicesImpl.java b/src/com/android/messaging/util/BugleGservicesImpl.java
deleted file mode 100644
index 5ef0898..0000000
--- a/src/com/android/messaging/util/BugleGservicesImpl.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.util;
-
-import android.content.Context;
-
-/**
- * A thin wrapper for getting GServices value.
- */
-public class BugleGservicesImpl extends BugleGservices {
-    public BugleGservicesImpl(final Context context) {
-    }
-
-    @Override
-    public void registerForChanges(final Runnable r) {
-    }
-
-    /**
-     * Asserts that the key has the expected prefix.
-     */
-    private void assertKeyAndWaitForGservices(final String key) {
-        Assert.isTrue(key.startsWith(BUGLE_GSERVICES_PREFIX));
-    }
-
-    @Override
-    public long getLong(final String key, final long defaultValue) {
-        assertKeyAndWaitForGservices(key);
-        return defaultValue;
-    }
-
-    @Override
-    public int getInt(final String key, final int defaultValue) {
-        assertKeyAndWaitForGservices(key);
-        return defaultValue;
-    }
-
-    @Override
-    public boolean getBoolean(final String key, final boolean defaultValue) {
-        assertKeyAndWaitForGservices(key);
-        return defaultValue;
-    }
-
-    @Override
-    public String getString(final String key, final String defaultValue) {
-        assertKeyAndWaitForGservices(key);
-        return defaultValue;
-    }
-
-    @Override
-    public float getFloat(final String key, final float defaultValue) {
-        assertKeyAndWaitForGservices(key);
-        return defaultValue;
-    }
-}
diff --git a/src/com/android/messaging/util/BugleGservicesKeys.java b/src/com/android/messaging/util/BugleGservicesKeys.java
index 5af76b2..e9fd872 100644
--- a/src/com/android/messaging/util/BugleGservicesKeys.java
+++ b/src/com/android/messaging/util/BugleGservicesKeys.java
@@ -24,49 +24,29 @@ package com.android.messaging.util;
 public final class BugleGservicesKeys {
     private BugleGservicesKeys() {}   // do not instantiate
 
-    /**
-     * Whether to enable extra debugging features on the client. Default is
-     * {@value #ENABLE_DEBUGGING_FEATURES_DEFAULT}.
-     */
-    public static final String ENABLE_DEBUGGING_FEATURES
-            = "bugle_debugging";
-    public static final boolean ENABLE_DEBUGGING_FEATURES_DEFAULT
-            = false;
-
-    /**
-     * Whether to enable saving extra logs. Default is {@value #ENABLE_LOG_SAVER_DEFAULT}.
-     */
-    public static final String ENABLE_LOG_SAVER = "bugle_logsaver";
-    public static final boolean ENABLE_LOG_SAVER_DEFAULT = false;
-
     /**
      * Time in milliseconds of initial (attempt 1) resend backoff for failing messages
      */
-    public static final String INITIAL_MESSAGE_RESEND_DELAY_MS = "bugle_resend_delay_in_millis";
     public static final long INITIAL_MESSAGE_RESEND_DELAY_MS_DEFAULT = 5 * 1000L;
 
     /**
      * Time in milliseconds of max resend backoff for failing messages
      */
-    public static final String MAX_MESSAGE_RESEND_DELAY_MS = "bugle_max_resend_delay_in_millis";
     public static final long MAX_MESSAGE_RESEND_DELAY_MS_DEFAULT = 2 * 60 * 60 * 1000L;
 
     /**
      * Time in milliseconds of resend window for unsent messages
      */
-    public static final String MESSAGE_RESEND_TIMEOUT_MS = "bugle_resend_timeout_in_millis";
     public static final long MESSAGE_RESEND_TIMEOUT_MS_DEFAULT = 20 * 60 * 1000L;
 
     /**
      * Time in milliseconds of download window for new mms notifications
      */
-    public static final String MESSAGE_DOWNLOAD_TIMEOUT_MS = "bugle_download_timeout_in_millis";
     public static final long MESSAGE_DOWNLOAD_TIMEOUT_MS_DEFAULT = 20 * 60 * 1000L;
 
     /**
      * Time in milliseconds for SMS send timeout
      */
-    public static final String SMS_SEND_TIMEOUT_IN_MILLIS = "bugle_sms_send_timeout";
     public static final long SMS_SEND_TIMEOUT_IN_MILLIS_DEFAULT = 5 * 60 * 1000L;
 
     /**
@@ -87,17 +67,9 @@ public final class BugleGservicesKeys {
      * whatever reasons. Keeping this low ensures responsiveness of the application.
      * 4. The limit on number of total messages to scan in one batch.
      */
-    public static final String SMS_SYNC_BATCH_SIZE_MIN =
-            "bugle_sms_sync_batch_size_min";
     public static final int SMS_SYNC_BATCH_SIZE_MIN_DEFAULT = 80;
-    public static final String SMS_SYNC_BATCH_SIZE_MAX =
-            "bugle_sms_sync_batch_size_max";
     public static final int SMS_SYNC_BATCH_SIZE_MAX_DEFAULT = 1000;
-    public static final String SMS_SYNC_BATCH_TIME_LIMIT_MILLIS =
-            "bugle_sms_sync_batch_time_limit";
     public static final long SMS_SYNC_BATCH_TIME_LIMIT_MILLIS_DEFAULT = 400;
-    public static final String SMS_SYNC_BATCH_MAX_MESSAGES_TO_SCAN =
-            "bugle_sms_sync_batch_max_messages_to_scan";
     public static final int SMS_SYNC_BATCH_MAX_MESSAGES_TO_SCAN_DEFAULT =
             SMS_SYNC_BATCH_SIZE_MAX_DEFAULT * 4;
 
@@ -108,18 +80,13 @@ public final class BugleGservicesKeys {
      * when bringing in changes made outside the application. It also represents a buffer
      * to ensure that sync doesn't trigger based on changes made within the application.
      */
-    public static final String SMS_SYNC_BACKOFF_TIME_MILLIS =
-            "bugle_sms_sync_backoff_time";
     public static final long SMS_SYNC_BACKOFF_TIME_MILLIS_DEFAULT = 5000L;
 
     /**
      * Just in case if we fall into a loop of full sync -> still not synchronized -> full sync ...
      * This forces a backoff time so that we at most do full sync once a while (an hour by default)
      */
-    public static final String SMS_FULL_SYNC_BACKOFF_TIME_MILLIS =
-            "bugle_sms_full_sync_backoff_time";
     public static final long SMS_FULL_SYNC_BACKOFF_TIME_MILLIS_DEFAULT = 60 * 60 * 1000;
-
     /**
      * MMS UA profile url.
      *
@@ -127,66 +94,30 @@ public final class BugleGservicesKeys {
      * latest and greatest phones. However, if we're on KitKat or below we can't get the phone's
      * UA profile and thus we need to send them the default url.
      */
-    public static final String MMS_UA_PROFILE_URL =
-            "bugle_mms_uaprofurl";
     public static final String MMS_UA_PROFILE_URL_DEFAULT =
             "http://www.gstatic.com/android/sms/mms_ua_profile.xml";
 
-    /**
-     * MMS apn mmsc
-     */
-    public static final String MMS_MMSC =
-            "bugle_mms_mmsc";
-
-    /**
-     * MMS apn proxy ip address
-     */
-    public static final String MMS_PROXY_ADDRESS =
-            "bugle_mms_proxy_address";
-
-    /**
-     * MMS apn proxy port
-     */
-    public static final String MMS_PROXY_PORT =
-            "bugle_mms_proxy_port";
-
-    /**
-     * List of known SMS system messages that we will ignore (no deliver, no abort) so that the
-     * user doesn't see them and the appropriate app is able to handle them. We are delivering
-     * these as a \n delimited list of patterns, however we should eventually move to storing
-     * them with the per-carrier mms config xml file.
-     */
-    public static final String SMS_IGNORE_MESSAGE_REGEX =
-            "bugle_sms_ignore_message_regex";
-    public static final String SMS_IGNORE_MESSAGE_REGEX_DEFAULT = "";
-
     /**
      * When receiving or importing an mms, limit the length of text to this limit. Huge blocks
      * of text can cause the app to hang/ANR/or crash in native text code..
      */
-    public static final String MMS_TEXT_LIMIT = "bugle_mms_text_limit";
     public static final int MMS_TEXT_LIMIT_DEFAULT = 2000;
 
     /**
      * Max number of attachments the user may add to a single message.
      */
-    public static final String MMS_ATTACHMENT_LIMIT = "bugle_mms_attachment_limit";
     public static final int MMS_ATTACHMENT_LIMIT_DEFAULT = 10;
 
     /**
      * The max number of messages to show in a single conversation notification. We always show
      * the most recent message. If this value is >1, we may also include prior messages as well.
      */
-    public static final String MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION =
-            "bugle_max_messages_in_conversation_notification";
     public static final int MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION_DEFAULT = 7;
 
     /**
      * Time (in seconds) between notification ringing for incoming messages of the same
      * conversation. We won't ding more often than this value for messages coming in at a high rate.
      */
-    public static final String NOTIFICATION_TIME_BETWEEN_RINGS_SECONDS
-            = "bugle_notification_time_between_rings_seconds";
     public static final int NOTIFICATION_TIME_BETWEEN_RINGS_SECONDS_DEFAULT = 10;
 
     /**
@@ -195,91 +126,11 @@ public final class BugleGservicesKeys {
      * less screen real estate, so we may want to optimize for that case. Note that if a wearable
      * is paired, this value will apply to notifications as shown both on the watch and the phone.
      */
-    public static final String MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION_WITH_WEARABLE =
-            "bugle_max_messages_in_conversation_notification_with_wearable";
     public static final int MAX_MESSAGES_IN_CONVERSATION_NOTIFICATION_WITH_WEARABLE_DEFAULT = 1;
 
-    /**
-     * Regular expression to match against query.  If it matches then display
-     * the query plan for this query.
-     */
-    public static final String EXPLAIN_QUERY_PLAN_REGEXP = "bugle_query_plan_regexp";
-
-    /**
-     * Whether asserts are fatal on user/userdebug builds.
-     * Default is {@value #ASSERTS_FATAL_DEFAULT}.
-     */
-    public static final String ASSERTS_FATAL = "bugle_asserts_fatal";
-    public static final boolean ASSERTS_FATAL_DEFAULT = false;
-
-    /**
-     * Whether to use API for sending/downloading MMS (if present, true for L).
-     * Default is {@value #USE_MMS_API_IF_PRESENT_DEFAULT}.
-     */
-    public static final String USE_MMS_API_IF_PRESENT = "bugle_use_mms_api";
-    public static final boolean USE_MMS_API_IF_PRESENT_DEFAULT = true;
-
-    /**
-     * Whether to always auto-complete email addresses for sending MMS. By default, Bugle starts
-     * to auto-complete after the user has typed the "@" character.
-     * Default is (@value ALWAYS_AUTOCOMPLETE_EMAIL_ADDRESS_DEFAULT}.
-     */
-    public static final String ALWAYS_AUTOCOMPLETE_EMAIL_ADDRESS =
-            "bugle_always_autocomplete_email_address";
-    public static final boolean ALWAYS_AUTOCOMPLETE_EMAIL_ADDRESS_DEFAULT = false;
-
-    // We typically request an aspect ratio close the the screen size, but some cameras can be
-    // flaky and not work well in certain aspect ratios.  This allows us to guide the CameraManager
-    // to pick a more reliable aspect ratio.  The value is a float like 1.333f or 1.777f.  There is
-    // no hard coded default because the default is the screen aspect ratio.
-    public static final String CAMERA_ASPECT_RATIO = "bugle_camera_aspect_ratio";
-
-    /**
-     * The recent time range within which we should check MMS WAP Push duplication
-     * If the value is 0, it signals that we should use old dedup algorithm for wap push
-     */
-    public static final String MMS_WAP_PUSH_DEDUP_TIME_LIMIT_SECS =
-            "bugle_mms_wap_push_dedup_time_limit_secs";
-    public static final long MMS_WAP_PUSH_DEDUP_TIME_LIMIT_SECS_DEFAULT = 7 * 24 * 3600; // 7 days
-
-    /**
-     * Whether to use persistent, on-disk LogSaver
-     */
-    public static final String PERSISTENT_LOGSAVER = "bugle_persistent_logsaver";
-    public static final boolean PERSISTENT_LOGSAVER_DEFAULT = false;
-
-    /**
-     * For in-memory LogSaver, what's the size of memory buffer in number of records
-     */
-    public static final String IN_MEMORY_LOGSAVER_RECORD_COUNT =
-            "bugle_in_memory_logsaver_record_count";
-    public static final int IN_MEMORY_LOGSAVER_RECORD_COUNT_DEFAULT = 500;
-
-    /**
-     * For on-disk LogSaver, what's the size of file rotation set
-     */
-    public static final String PERSISTENT_LOGSAVER_ROTATION_SET_SIZE =
-            "bugle_persistent_logsaver_rotation_set_size";
-    public static final int PERSISTENT_LOGSAVER_ROTATION_SET_SIZE_DEFAULT = 8;
-
-    /**
-     * For on-disk LogSaver, what's the byte limit of a single log file
-     */
-    public static final String PERSISTENT_LOGSAVER_FILE_LIMIT_BYTES =
-            "bugle_persistent_logsaver_file_limit";
-    public static final int PERSISTENT_LOGSAVER_FILE_LIMIT_BYTES_DEFAULT = 256 * 1024; // 256KB
-
     /**
      * We concatenate all text parts in an MMS to form the message text. This specifies
      * the separator between the combinated text parts. Default is ' ' (space).
      */
-    public static final String MMS_TEXT_CONCAT_SEPARATOR = "bugle_mms_text_concat_separator";
     public static final String MMS_TEXT_CONCAT_SEPARATOR_DEFAULT = " ";
-
-    /**
-     * Whether to enable transcoding GIFs. We sometimes need to compress GIFs to make them small
-     * enough to send via MMS (which often limits messages to 1 MB in size).
-     */
-    public static final String ENABLE_GIF_TRANSCODING = "bugle_gif_transcoding";
-    public static final boolean ENABLE_GIF_TRANSCODING_DEFAULT = true;
 }
diff --git a/src/com/android/messaging/util/DebugUtils.java b/src/com/android/messaging/util/DebugUtils.java
index e25e62f..f50426b 100644
--- a/src/com/android/messaging/util/DebugUtils.java
+++ b/src/com/android/messaging/util/DebugUtils.java
@@ -17,304 +17,22 @@
 
 package com.android.messaging.util;
 
-import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.FragmentManager;
-import android.app.FragmentTransaction;
-import android.content.Context;
-import android.content.Intent;
-import android.media.MediaPlayer;
-import android.net.Uri;
 import android.os.Environment;
-import android.telephony.SmsMessage;
 import android.text.TextUtils;
-import android.widget.ArrayAdapter;
 
-import androidx.annotation.NonNull;
-
-import com.android.messaging.Factory;
-import com.android.messaging.R;
-import com.android.messaging.datamodel.SyncManager;
-import com.android.messaging.datamodel.action.DumpDatabaseAction;
-import com.android.messaging.datamodel.action.LogTelephonyDatabaseAction;
 import com.android.messaging.sms.MmsUtils;
-import com.android.messaging.ui.UIIntents;
-import com.android.messaging.ui.debug.DebugSmsMmsFromDumpFileDialogFragment;
 import com.google.common.io.ByteStreams;
 
 import java.io.BufferedInputStream;
-import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.StreamCorruptedException;
 
 public class DebugUtils {
     private static final String TAG = "bugle.util.DebugUtils";
 
-    private static boolean sDebugNoise;
-    private static boolean sDebugClassZeroSms;
-    private static MediaPlayer [] sMediaPlayer;
-    private static final Object sLock = new Object();
-
-    public static final int DEBUG_SOUND_SERVER_REQUEST = 0;
-    public static final int DEBUG_SOUND_DB_OP = 1;
-
-    public static void maybePlayDebugNoise(final Context context, final int sound) {
-        if (sDebugNoise) {
-            synchronized (sLock) {
-                try {
-                    if (sMediaPlayer == null) {
-                        sMediaPlayer = new MediaPlayer[2];
-                        sMediaPlayer[DEBUG_SOUND_SERVER_REQUEST] =
-                                MediaPlayer.create(context, R.raw.server_request_debug);
-                        sMediaPlayer[DEBUG_SOUND_DB_OP] =
-                                MediaPlayer.create(context, R.raw.db_op_debug);
-                        sMediaPlayer[DEBUG_SOUND_DB_OP].setVolume(1.0F, 1.0F);
-                        sMediaPlayer[DEBUG_SOUND_SERVER_REQUEST].setVolume(0.3F, 0.3F);
-                    }
-                    if (sMediaPlayer[sound] != null) {
-                        sMediaPlayer[sound].start();
-                    }
-                } catch (final IllegalArgumentException e) {
-                    LogUtil.e(TAG, "MediaPlayer exception", e);
-                } catch (final SecurityException e) {
-                    LogUtil.e(TAG, "MediaPlayer exception", e);
-                } catch (final IllegalStateException e) {
-                    LogUtil.e(TAG, "MediaPlayer exception", e);
-                }
-            }
-        }
-    }
-
-    public static boolean isDebugEnabled() {
-        return BugleGservices.get().getBoolean(BugleGservicesKeys.ENABLE_DEBUGGING_FEATURES,
-                BugleGservicesKeys.ENABLE_DEBUGGING_FEATURES_DEFAULT);
-    }
-
-    public abstract static class DebugAction {
-        final String mTitle;
-        public DebugAction(final String title) {
-            mTitle = title;
-        }
-
-        @NonNull
-        @Override
-        public String toString() {
-            return mTitle;
-        }
-
-        public abstract void run();
-    }
-
-    public static void showDebugOptions(final Activity host) {
-        final AlertDialog.Builder builder = new AlertDialog.Builder(host);
-
-        final ArrayAdapter<DebugAction> arrayAdapter = new ArrayAdapter<DebugAction>(
-                host, android.R.layout.simple_list_item_1);
-
-        arrayAdapter.add(new DebugAction("Dump Database") {
-            @Override
-            public void run() {
-                DumpDatabaseAction.dumpDatabase();
-            }
-        });
-
-        arrayAdapter.add(new DebugAction("Log Telephony Data") {
-            @Override
-            public void run() {
-                LogTelephonyDatabaseAction.dumpDatabase();
-            }
-        });
-
-        arrayAdapter.add(new DebugAction("Toggle Noise") {
-            @Override
-            public void run() {
-                sDebugNoise = !sDebugNoise;
-            }
-        });
-
-        arrayAdapter.add(new DebugAction("Force sync SMS") {
-            @Override
-            public void run() {
-                final BuglePrefs prefs = BuglePrefs.getApplicationPrefs();
-                prefs.putLong(BuglePrefsKeys.LAST_FULL_SYNC_TIME, -1);
-                SyncManager.forceSync();
-            }
-        });
-
-        arrayAdapter.add(new DebugAction("Sync SMS") {
-            @Override
-            public void run() {
-                SyncManager.sync();
-            }
-        });
-
-        arrayAdapter.add(new DebugAction("Load SMS/MMS from dump file") {
-            @Override
-            public void run() {
-                new DebugSmsMmsDumpTask(host,
-                        DebugSmsMmsFromDumpFileDialogFragment.ACTION_LOAD).executeOnThreadPool();
-            }
-        });
-
-        arrayAdapter.add(new DebugAction("Email SMS/MMS dump file") {
-            @Override
-            public void run() {
-                new DebugSmsMmsDumpTask(host,
-                        DebugSmsMmsFromDumpFileDialogFragment.ACTION_EMAIL).executeOnThreadPool();
-            }
-        });
-
-        arrayAdapter.add(new DebugAction("MMS Config...") {
-            @Override
-            public void run() {
-                UIIntents.get().launchDebugMmsConfigActivity(host);
-            }
-        });
-
-        arrayAdapter.add(new DebugAction(sDebugClassZeroSms ? "Turn off Class 0 sms test" :
-                "Turn on Class Zero test") {
-            @Override
-            public void run() {
-                sDebugClassZeroSms = !sDebugClassZeroSms;
-            }
-        });
-
-        arrayAdapter.add(new DebugAction("Test sharing a file URI") {
-            @Override
-            public void run() {
-                shareFileUri();
-            }
-        });
-
-        builder.setAdapter(arrayAdapter, (arg0, pos) -> arrayAdapter.getItem(pos).run());
-
-        builder.create().show();
-    }
-
-    /**
-     * Task to list all the dump files and perform an action on it
-     */
-    private static class DebugSmsMmsDumpTask extends SafeAsyncTask<Void, Void, String[]> {
-        private final String mAction;
-        private final Activity mHost;
-
-        public DebugSmsMmsDumpTask(final Activity host, final String action) {
-            mHost = host;
-            mAction = action;
-        }
-
-        @Override
-        protected void onPostExecute(final String[] result) {
-            if (result == null || result.length < 1) {
-                return;
-            }
-            final FragmentManager fragmentManager = mHost.getFragmentManager();
-            final FragmentTransaction ft = fragmentManager.beginTransaction();
-            final DebugSmsMmsFromDumpFileDialogFragment dialog =
-                    DebugSmsMmsFromDumpFileDialogFragment.newInstance(result, mAction);
-            dialog.show(fragmentManager, ""/*tag*/);
-        }
-
-        @Override
-        protected String[] doInBackgroundTimed(final Void... params) {
-            final File dir = DebugUtils.getDebugFilesDir();
-            return dir.list((dir1, filename) -> filename != null
-                    && ((mAction == DebugSmsMmsFromDumpFileDialogFragment.ACTION_EMAIL
-                    && filename.equals(DumpDatabaseAction.DUMP_NAME))
-                    || filename.startsWith(MmsUtils.MMS_DUMP_PREFIX)
-                    || filename.startsWith(MmsUtils.SMS_DUMP_PREFIX)));
-        }
-    }
-
-    /**
-     * Dump the received raw SMS data into a file on external storage
-     *
-     * @param id The ID to use as part of the dump file name
-     * @param messages The raw SMS data
-     */
-    public static void dumpSms(final long id, final android.telephony.SmsMessage[] messages,
-            final String format) {
-        try {
-            final String dumpFileName = MmsUtils.SMS_DUMP_PREFIX + id;
-            final File dumpFile = DebugUtils.getDebugFile(dumpFileName, true);
-            if (dumpFile != null) {
-                final FileOutputStream fos = new FileOutputStream(dumpFile);
-                final DataOutputStream dos = new DataOutputStream(fos);
-                try {
-                    final int chars = (TextUtils.isEmpty(format) ? 0 : format.length());
-                    dos.writeInt(chars);
-                    if (chars > 0) {
-                        dos.writeUTF(format);
-                    }
-                    dos.writeInt(messages.length);
-                    for (final android.telephony.SmsMessage message : messages) {
-                        final byte[] pdu = message.getPdu();
-                        dos.writeInt(pdu.length);
-                        dos.write(pdu, 0, pdu.length);
-                    }
-                    dos.flush();
-                } finally {
-                    dos.close();
-                    ensureReadable(dumpFile);
-                }
-            }
-        } catch (final IOException e) {
-            LogUtil.e(LogUtil.BUGLE_TAG, "dumpSms: " + e, e);
-        }
-    }
-
-    /**
-     * Load MMS/SMS from the dump file
-     */
-    public static SmsMessage[] retreiveSmsFromDumpFile(final String dumpFileName) {
-        SmsMessage[] messages = null;
-        final File inputFile = DebugUtils.getDebugFile(dumpFileName, false);
-        if (inputFile != null) {
-            FileInputStream fis = null;
-            DataInputStream dis = null;
-            try {
-                fis = new FileInputStream(inputFile);
-                dis = new DataInputStream(fis);
-
-                // SMS dump
-                String format = null;
-                final int chars = dis.readInt();
-                if (chars > 0) {
-                    format = dis.readUTF();
-                }
-                final int count = dis.readInt();
-                final SmsMessage[] messagesTemp = new SmsMessage[count];
-                for (int i = 0; i < count; i++) {
-                    final int length = dis.readInt();
-                    final byte[] pdu = new byte[length];
-                    dis.read(pdu, 0, length);
-                    messagesTemp[i] = SmsMessage.createFromPdu(pdu, format);
-                }
-                messages = messagesTemp;
-            } catch (final FileNotFoundException e) {
-                // Nothing to do
-            } catch (final StreamCorruptedException e) {
-                // Nothing to do
-            } catch (final IOException e) {
-                // Nothing to do
-            } finally {
-                if (dis != null) {
-                    try {
-                        dis.close();
-                    } catch (final IOException e) {
-                        // Nothing to do
-                    }
-                }
-            }
-        }
-        return messages;
-    }
-
     public static File getDebugFile(final String fileName, final boolean create) {
         final File dir = getDebugFilesDir();
         final File file = new File(dir, fileName);
@@ -416,24 +134,4 @@ public class DebugUtils {
         // Never found ourself in the stack?!
         return null;
     }
-
-    /**
-     * Returns a boolean indicating whether ClassZero debugging is enabled. If enabled, any received
-     * sms is treated as if it were a class zero message and displayed by the ClassZeroActivity.
-     */
-    public static boolean debugClassZeroSmsEnabled() {
-        return sDebugClassZeroSms;
-    }
-
-    /** Shares a ringtone file via file URI. */
-    private static void shareFileUri() {
-        final String packageName = "com.android.messaging";
-        final String fileName = "/system/media/audio/ringtones/Andromeda.ogg";
-
-        Intent intent = new Intent(Intent.ACTION_SEND);
-        intent.setPackage(packageName);
-        intent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + fileName));
-        intent.setType("image/*");
-        Factory.get().getApplicationContext().startActivity(intent);
-    }
 }
diff --git a/src/com/android/messaging/util/GifTranscoder.java b/src/com/android/messaging/util/GifTranscoder.java
index bc9a1f0..e4c862d 100644
--- a/src/com/android/messaging/util/GifTranscoder.java
+++ b/src/com/android/messaging/util/GifTranscoder.java
@@ -42,9 +42,6 @@ public class GifTranscoder {
     }
 
     public static boolean transcode(Context context, String filePath, String outFilePath) {
-        if (!isEnabled()) {
-            return false;
-        }
         final long inputSize = new File(filePath).length();
         Stopwatch stopwatch = Stopwatch.createStarted();
         final boolean success = transcodeInternal(filePath, outFilePath);
@@ -77,19 +74,6 @@ public class GifTranscoder {
     }
 
     public static boolean canBeTranscoded(int width, int height) {
-        if (!isEnabled()) {
-            return false;
-        }
         return width >= MIN_WIDTH && height >= MIN_HEIGHT;
     }
-
-    private static boolean isEnabled() {
-        final boolean enabled = BugleGservices.get().getBoolean(
-                BugleGservicesKeys.ENABLE_GIF_TRANSCODING,
-                BugleGservicesKeys.ENABLE_GIF_TRANSCODING_DEFAULT);
-        if (!enabled) {
-            LogUtil.w(TAG, "GIF transcoding is disabled");
-        }
-        return enabled;
-    }
 }
diff --git a/src/com/android/messaging/util/LogSaver.java b/src/com/android/messaging/util/LogSaver.java
deleted file mode 100644
index 7d1f2fd..0000000
--- a/src/com/android/messaging/util/LogSaver.java
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.util;
-
-import android.os.Process;
-import android.util.Log;
-
-import com.android.messaging.Factory;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.text.SimpleDateFormat;
-import java.util.logging.FileHandler;
-import java.util.logging.Formatter;
-import java.util.logging.Handler;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-/**
- * Save the app's own log to dump along with adb bugreport
- */
-public abstract class LogSaver {
-    /**
-     * Writes the accumulated log entries, from oldest to newest, to the specified PrintWriter.
-     * Log lines are emitted in much the same form as logcat -v threadtime -- specifically,
-     * lines will include a timestamp, pid, tid, level, and tag.
-     *
-     * @param writer The PrintWriter to output
-     */
-    public abstract void dump(PrintWriter writer);
-
-    /**
-     * Log a line
-     *
-     * @param level The log level to use
-     * @param tag The log tag
-     * @param msg The message of the log line
-     */
-    public abstract void log(int level, String tag, String msg);
-
-    /**
-     * Check if the LogSaver still matches the current Gservices settings
-     *
-     * @return true if matches, false otherwise
-     */
-    public abstract boolean isCurrent();
-
-    private LogSaver() {
-    }
-
-    public static LogSaver newInstance() {
-        final boolean persistent = BugleGservices.get().getBoolean(
-                BugleGservicesKeys.PERSISTENT_LOGSAVER,
-                BugleGservicesKeys.PERSISTENT_LOGSAVER_DEFAULT);
-        if (persistent) {
-            final int setSize = BugleGservices.get().getInt(
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_ROTATION_SET_SIZE,
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_ROTATION_SET_SIZE_DEFAULT);
-            final int fileLimitBytes = BugleGservices.get().getInt(
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_FILE_LIMIT_BYTES,
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_FILE_LIMIT_BYTES_DEFAULT);
-            return new DiskLogSaver(setSize, fileLimitBytes);
-        } else {
-            final int size = BugleGservices.get().getInt(
-                    BugleGservicesKeys.IN_MEMORY_LOGSAVER_RECORD_COUNT,
-                    BugleGservicesKeys.IN_MEMORY_LOGSAVER_RECORD_COUNT_DEFAULT);
-            return new MemoryLogSaver(size);
-        }
-    }
-
-    /**
-     * A circular in-memory log to be used to log potentially verbose logs. The logs will be
-     * persisted in memory in the application and can be dumped by various dump() methods.
-     * For example, adb shell dumpsys activity provider com.android.messaging.
-     * The dump will also show up in bugreports.
-     */
-    private static final class MemoryLogSaver extends LogSaver {
-        /**
-         * Record to store a single log entry. Stores timestamp, tid, level, tag, and message.
-         * It can be reused when the circular log rolls over. This avoids creating new objects.
-         */
-        private static class LogRecord {
-            int mTid;
-            String mLevelString;
-            long mTimeMillis;     // from System.currentTimeMillis
-            String mTag;
-            String mMessage;
-
-            LogRecord() {
-            }
-
-            void set(int tid, int level, long time, String tag, String message) {
-                this.mTid = tid;
-                this.mTimeMillis = time;
-                this.mTag = tag;
-                this.mMessage = message;
-                this.mLevelString = getLevelString(level);
-            }
-        }
-
-        private final int mSize;
-        private final CircularArray<LogRecord> mLogList;
-        private final Object mLock;
-
-        private final SimpleDateFormat mSdf = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
-
-        public MemoryLogSaver(final int size) {
-            mSize = size;
-            mLogList = new CircularArray<LogRecord>(size);
-            mLock = new Object();
-        }
-
-        @Override
-        public void dump(PrintWriter writer) {
-            int pid = Process.myPid();
-            synchronized (mLock) {
-                for (int i = 0; i < mLogList.count(); i++) {
-                    LogRecord rec = mLogList.get(i);
-                    writer.println(String.format("%s %5d %5d %s %s: %s",
-                            mSdf.format(rec.mTimeMillis),
-                            pid, rec.mTid, rec.mLevelString, rec.mTag, rec.mMessage));
-                }
-            }
-        }
-
-        @Override
-        public void log(int level, String tag, String msg) {
-            synchronized (mLock) {
-                LogRecord rec = mLogList.getFree();
-                if (rec == null) {
-                    rec = new LogRecord();
-                }
-                rec.set(Process.myTid(), level, System.currentTimeMillis(), tag, msg);
-                mLogList.add(rec);
-            }
-        }
-
-        @Override
-        public boolean isCurrent() {
-            final boolean persistent = BugleGservices.get().getBoolean(
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER,
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_DEFAULT);
-            if (persistent) {
-                return false;
-            }
-            final int size = BugleGservices.get().getInt(
-                    BugleGservicesKeys.IN_MEMORY_LOGSAVER_RECORD_COUNT,
-                    BugleGservicesKeys.IN_MEMORY_LOGSAVER_RECORD_COUNT_DEFAULT);
-            return size == mSize;
-        }
-    }
-
-    /**
-     * A persistent, on-disk log saver. It uses the standard Java util logger along with
-     * a rotation log file set to store the logs in app's local file directory "app_logs".
-     */
-    private static final class DiskLogSaver extends LogSaver {
-        private static final String DISK_LOG_DIR_NAME = "logs";
-
-        private final int mSetSize;
-        private final int mFileLimitBytes;
-        private Logger mDiskLogger;
-
-        public DiskLogSaver(final int setSize, final int fileLimitBytes) {
-            Assert.isTrue(setSize > 0);
-            Assert.isTrue(fileLimitBytes > 0);
-            mSetSize = setSize;
-            mFileLimitBytes = fileLimitBytes;
-            initDiskLog();
-        }
-
-        private static void clearDefaultHandlers(Logger logger) {
-            Assert.notNull(logger);
-            for (Handler handler : logger.getHandlers()) {
-                logger.removeHandler(handler);
-            }
-        }
-
-        private void initDiskLog() {
-            mDiskLogger = Logger.getLogger(LogUtil.BUGLE_TAG);
-            // We don't want the default console handler
-            clearDefaultHandlers(mDiskLogger);
-            // Don't want duplicate print in system log
-            mDiskLogger.setUseParentHandlers(false);
-            // FileHandler manages the log files in a fixed rotation set
-            final File logDir = Factory.get().getApplicationContext().getDir(
-                    DISK_LOG_DIR_NAME, 0/*mode*/);
-            FileHandler handler = null;
-            try {
-                handler = new FileHandler(
-                        logDir + "/%g.log", mFileLimitBytes, mSetSize, true/*append*/);
-            } catch (Exception e) {
-                Log.e(LogUtil.BUGLE_TAG, "LogSaver: fail to init disk logger", e);
-                return;
-            }
-            final Formatter formatter = new Formatter() {
-                @Override
-                public String format(java.util.logging.LogRecord r) {
-                    return r.getMessage();
-                }
-            };
-            handler.setFormatter(formatter);
-            handler.setLevel(Level.ALL);
-            mDiskLogger.addHandler(handler);
-        }
-
-        @Override
-        public void dump(PrintWriter writer) {
-            for (int i = mSetSize - 1; i >= 0; i--) {
-                final File logDir = Factory.get().getApplicationContext().getDir(
-                        DISK_LOG_DIR_NAME, 0/*mode*/);
-                final String logFilePath = logDir + "/" + i + ".log";
-                try {
-                    final File logFile = new File(logFilePath);
-                    if (!logFile.exists()) {
-                        continue;
-                    }
-                    final BufferedReader reader = new BufferedReader(new FileReader(logFile));
-                    for (String line; (line = reader.readLine()) != null;) {
-                        line = line.trim();
-                        writer.println(line);
-                    }
-                } catch (FileNotFoundException e) {
-                    Log.w(LogUtil.BUGLE_TAG, "LogSaver: can not find log file " + logFilePath);
-                } catch (IOException e) {
-                    Log.w(LogUtil.BUGLE_TAG, "LogSaver: can not read log file", e);
-                }
-            }
-        }
-
-        @Override
-        public void log(int level, String tag, String msg) {
-            final SimpleDateFormat sdf = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
-            mDiskLogger.info(String.format("%s %5d %5d %s %s: %s\n",
-                    sdf.format(System.currentTimeMillis()),
-                    Process.myPid(), Process.myTid(), getLevelString(level), tag, msg));
-        }
-
-        @Override
-        public boolean isCurrent() {
-            final boolean persistent = BugleGservices.get().getBoolean(
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER,
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_DEFAULT);
-            if (!persistent) {
-                return false;
-            }
-            final int setSize = BugleGservices.get().getInt(
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_ROTATION_SET_SIZE,
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_ROTATION_SET_SIZE_DEFAULT);
-            final int fileLimitBytes = BugleGservices.get().getInt(
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_FILE_LIMIT_BYTES,
-                    BugleGservicesKeys.PERSISTENT_LOGSAVER_FILE_LIMIT_BYTES_DEFAULT);
-            return setSize == mSetSize && fileLimitBytes == mFileLimitBytes;
-        }
-    }
-
-    private static String getLevelString(final int level) {
-        switch (level) {
-            case android.util.Log.DEBUG:
-                return "D";
-            case android.util.Log.WARN:
-                return "W";
-            case android.util.Log.INFO:
-                return "I";
-            case android.util.Log.VERBOSE:
-                return "V";
-            case android.util.Log.ERROR:
-                return "E";
-            case android.util.Log.ASSERT:
-                return "A";
-            default:
-                return "?";
-        }
-    }
-}
diff --git a/src/com/android/messaging/util/LogUtil.java b/src/com/android/messaging/util/LogUtil.java
index 4204327..9db8f4f 100644
--- a/src/com/android/messaging/util/LogUtil.java
+++ b/src/com/android/messaging/util/LogUtil.java
@@ -36,33 +36,6 @@ public class LogUtil {
     public static final int INFO = android.util.Log.INFO;
     public static final int ERROR = android.util.Log.ERROR;
 
-    // If this is non-null, DEBUG and higher logs will be tracked in-memory. It will not include
-    // VERBOSE logs.
-    private static LogSaver sDebugLogSaver;
-    private static volatile boolean sCaptureDebugLogs;
-
-    /**
-     * Read Gservices to see if logging should be enabled.
-     */
-    public static void refreshGservices(final BugleGservices gservices) {
-        sCaptureDebugLogs = gservices.getBoolean(
-                BugleGservicesKeys.ENABLE_LOG_SAVER,
-                BugleGservicesKeys.ENABLE_LOG_SAVER_DEFAULT);
-        if (sCaptureDebugLogs && (sDebugLogSaver == null || !sDebugLogSaver.isCurrent())) {
-            // We were not capturing logs before. We are now.
-            sDebugLogSaver = LogSaver.newInstance();
-        } else if (!sCaptureDebugLogs && sDebugLogSaver != null) {
-            // We were capturing logs. We aren't anymore.
-            sDebugLogSaver = null;
-        }
-    }
-
- // This is called from FactoryImpl once the Gservices class is initialized.
-    public static void initializeGservices (final BugleGservices gservices) {
-        gservices.registerForChanges(() -> refreshGservices(gservices));
-        refreshGservices(gservices);
-    }
-
     /**
      * Send a {@link #VERBOSE} log message.
      * @param tag Used to identify the source of a log message.  It usually identifies
@@ -214,26 +187,6 @@ public class LogUtil {
      */
     private static void println(final int level, final String tag, final String msg) {
         android.util.Log.println(level, tag, msg);
-
-        LogSaver serviceLog = sDebugLogSaver;
-        if (serviceLog != null && level >= android.util.Log.DEBUG) {
-            serviceLog.log(level, tag, msg);
-        }
-    }
-
-    /**
-     * Save logging into LogSaver only, for dumping to bug report
-     *
-     * @param level The priority/type of this log message
-     * @param tag Used to identify the source of a log message.  It usually identifies
-     *        the class or activity where the log call occurs.
-     * @param msg The message you would like logged.
-     */
-    public static void save(final int level, final String tag, final String msg) {
-        LogSaver serviceLog = sDebugLogSaver;
-        if (serviceLog != null) {
-            serviceLog.log(level, tag, msg);
-        }
     }
 
     /**
@@ -260,11 +213,4 @@ public class LogUtil {
             return "Redacted-" + text.length();
         }
     }
-
-    public static void dump(java.io.PrintWriter out) {
-        final LogSaver logsaver = sDebugLogSaver;
-        if (logsaver != null) {
-            logsaver.dump(out);
-        }
-    }
 }
diff --git a/src/com/android/messaging/util/LoggingTimer.java b/src/com/android/messaging/util/LoggingTimer.java
index d0d41ac..70819cf 100644
--- a/src/com/android/messaging/util/LoggingTimer.java
+++ b/src/com/android/messaging/util/LoggingTimer.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -59,8 +60,6 @@ public class LoggingTimer {
 
         final String logMessage = String.format("Used %dms for %s", elapsedMs, mName);
 
-        LogUtil.save(LogUtil.DEBUG, mTag, logMessage);
-
         if (mWarnLimitMillis != NO_WARN_LIMIT && elapsedMs > mWarnLimitMillis) {
             LogUtil.w(mTag, logMessage);
         } else if (LogUtil.isLoggable(mTag, LogUtil.VERBOSE)) {