diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index b0fcc28974453..0a4ef989951e6 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -2993,7 +2993,7 @@
                  android:killAfterRestore="false"
                  android:icon="@drawable/ic_launcher_android"
                  android:supportsRtl="true"
-                 android:theme="@style/Theme.Material.DayNight.DarkActionBar"
+                 android:theme="@style/Theme.Material.Light.DarkActionBar"
                  android:defaultToDeviceProtectedStorage="true"
                  android:directBootAware="true">
         <activity android:name="com.android.internal.app.ChooserActivity"
@@ -3029,7 +3029,7 @@
                 android:label="@string/managed_profile_label">
         </activity-alias>
         <activity android:name="com.android.internal.app.HeavyWeightSwitcherActivity"
-                android:theme="@style/Theme.Material.DayNight.Dialog"
+                android:theme="@style/Theme.Material.Light.Dialog"
                 android:label="@string/heavy_weight_switcher_title"
                 android:finishOnCloseSystemDialogs="true"
                 android:excludeFromRecents="true"
@@ -3062,7 +3062,7 @@
         <activity android:name="android.accounts.ChooseAccountActivity"
                 android:excludeFromRecents="true"
                 android:exported="true"
-                android:theme="@style/Theme.Material.DayNight.Dialog"
+                android:theme="@style/Theme.Material.Light.Dialog"
                 android:label="@string/choose_account_label"
                 android:process=":ui">
         </activity>
@@ -3070,14 +3070,14 @@
         <activity android:name="android.accounts.ChooseTypeAndAccountActivity"
                 android:excludeFromRecents="true"
                 android:exported="true"
-                android:theme="@style/Theme.Material.DayNight.Dialog"
+                android:theme="@style/Theme.Material.Light.Dialog"
                 android:label="@string/choose_account_label"
                 android:process=":ui">
         </activity>
 
         <activity android:name="android.accounts.ChooseAccountTypeActivity"
                 android:excludeFromRecents="true"
-                android:theme="@style/Theme.Material.DayNight.Dialog"
+                android:theme="@style/Theme.Material.Light.Dialog"
                 android:label="@string/choose_account_label"
                 android:process=":ui">
         </activity>
@@ -3085,19 +3085,19 @@
         <activity android:name="android.accounts.CantAddAccountActivity"
                 android:excludeFromRecents="true"
                 android:exported="true"
-                android:theme="@style/Theme.Material.DayNight.Dialog.NoActionBar"
+                android:theme="@style/Theme.Material.Light.Dialog.NoActionBar"
                 android:process=":ui">
         </activity>
 
         <activity android:name="android.accounts.GrantCredentialsPermissionActivity"
                 android:excludeFromRecents="true"
                 android:exported="true"
-                android:theme="@style/Theme.Material.DayNight.DialogWhenLarge"
+                android:theme="@style/Theme.Material.Light.DialogWhenLarge"
                 android:process=":ui">
         </activity>
 
         <activity android:name="android.content.SyncActivityTooManyDeletes"
-               android:theme="@style/Theme.Material.DayNight.Dialog"
+               android:theme="@style/Theme.Material.Light.Dialog"
                android:label="@string/sync_too_many_deletes"
                android:process=":ui">
         </activity>
@@ -3117,7 +3117,7 @@
         </activity>
 
         <activity android:name="com.android.internal.app.NetInitiatedActivity"
-                android:theme="@style/Theme.Material.DayNight.Dialog.Alert"
+                android:theme="@style/Theme.Material.Light.Dialog.Alert"
                 android:excludeFromRecents="true"
                 android:process=":ui">
         </activity>
@@ -3138,7 +3138,7 @@
         <activity android:name="com.android.internal.app.ConfirmUserCreationActivity"
                 android:excludeFromRecents="true"
                 android:process=":ui"
-                android:theme="@style/Theme.Material.DayNight.Dialog.Alert">
+                android:theme="@style/Theme.Material.Light.Dialog.Alert">
             <intent-filter android:priority="1000">
                 <action android:name="android.os.action.CREATE_USER" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -3146,7 +3146,7 @@
         </activity>
 
         <activity android:name="com.android.internal.app.UnlaunchableAppActivity"
-                android:theme="@style/Theme.Material.DayNight.Dialog.Alert"
+                android:theme="@style/Theme.Material.Light.Dialog.Alert"
                 android:excludeFromRecents="true"
                 android:process=":ui">
         </activity>
diff --git a/core/res/res/values-night/themes_material_daynight.xml b/core/res/res/values-night/themes_material_daynight.xml
deleted file mode 100644
index b34458295ba31..0000000000000
--- a/core/res/res/values-night/themes_material_daynight.xml
+++ /dev/null
@@ -1,117 +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.
--->
-
-<!--
-===============================================================
-                        PLEASE READ
-===============================================================
-
-The Material themes must not be modified in order to pass CTS.
-Many related themes and styles depend on other values defined in this file.
-If you would like to provide custom themes and styles for your device,
-please see themes_device_defaults.xml.
-
-===============================================================
-                        PLEASE READ
-===============================================================
- -->
-<resources>
-
-    <!-- Material theme (day/night version) for activities. -->
-    <style name="Theme.Material.DayNight" parent="Theme.Material" />
-
-    <!-- Variant of Material.DayNight that has a solid (opaque) action bar
-         with an inverse color profile. The dark action bar sharply stands out against
-         the light content (when applicable).  -->
-    <style name="Theme.Material.DayNight.DarkActionBar" parent="Theme.Material" />
-
-    <!-- Variant of Material.DayNight with no action bar.  -->
-    <style name="Theme.Material.DayNight.NoActionBar" parent="Theme.Material.NoActionBar" />
-
-    <!-- Variant of Material.DayNight that has no title bar and fills
-         the entire screen. This theme
-         sets {@link android.R.attr#windowFullscreen} to true.  -->
-    <style name="Theme.Material.DayNight.NoActionBar.Fullscreen" parent="Theme.Material.NoActionBar.Fullscreen" />
-
-    <!-- Variant of Material.DayNight that has no title bar and fills
-         the entire screen and extends into the display overscan region. This theme
-         sets {@link android.R.attr#windowFullscreen} and {@link android.R.attr#windowOverscan}
-         to true. -->
-    <style name="Theme.Material.DayNight.NoActionBar.Overscan" parent="Theme.Material.NoActionBar.Overscan" />
-
-    <!-- Variant of Material.DayNight that has no title bar and translucent
-         system decor. This theme sets {@link android.R.attr#windowTranslucentStatus} and
-         {@link android.R.attr#windowTranslucentNavigation} to true. -->
-    <style name="Theme.Material.DayNight.NoActionBar.TranslucentDecor" parent="Theme.Material.NoActionBar.TranslucentDecor" />
-
-    <!-- Default Material.DayNight theme for panel windows. This removes all extraneous
-         window decorations, so you basically have an empty rectangle in which
-         to place your content. It makes the window floating, with a transparent
-         background, and turns off dimming behind the window. -->
-    <style name="Theme.Material.DayNight.Panel" parent="Theme.Material.Panel" />
-
-    <!-- Material theme (day/night version) for dialog windows and activities,
-         which is used by the {@link android.app.Dialog} class. This changes
-         the window to be floating (not fill the entire screen), and puts a
-         frame around its contents. You can set this theme on an activity if
-         you would like to make an activity that looks like a Dialog. -->
-    <style name="Theme.Material.DayNight.Dialog" parent="Theme.Material.DayNight.BaseDialog" />
-    <style name="Theme.Material.DayNight.BaseDialog" parent="Theme.Material.BaseDialog" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog that has a nice minimum width for
-         a regular dialog. -->
-    <style name="Theme.Material.DayNight.Dialog.MinWidth" parent="Theme.Material.Dialog.MinWidth" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog that does not include a title bar. -->
-    <style name="Theme.Material.DayNight.Dialog.NoActionBar" parent="Theme.Material.Dialog.NoActionBar" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog.NoActionBar that has a nice minimum width for
-         a regular dialog. -->
-    <style name="Theme.Material.DayNight.Dialog.NoActionBar.MinWidth" parent="Theme.Material.Dialog.NoActionBar.MinWidth" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog that has a fixed size. -->
-    <style name="Theme.Material.DayNight.Dialog.FixedSize" parent="Theme.Material.Dialog.FixedSize" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog.NoActionBar that has a fixed size. -->
-    <style name="Theme.Material.DayNight.Dialog.NoActionBar.FixedSize" parent="Theme.Material.Dialog.NoActionBar.FixedSize" />
-
-    <!-- Theme for a window that will be displayed either full-screen on
-         smaller screens (small, normal) or as a dialog on larger screens
-         (large, xlarge). -->
-    <style name="Theme.Material.DayNight.DialogWhenLarge" parent="Theme.Material.DialogWhenLarge" />
-
-    <!-- Theme for a window with a dark action bar that will be displayed
-         either full-screen on smaller screens (small, normal) or as a dialog
-         on larger screens (large, xlarge). -->
-    <style name="Theme.Material.DayNight.DialogWhenLarge.DarkActionBar" parent="Theme.Material.DialogWhenLarge" />
-
-    <!-- Theme for a window without an action bar that will be displayed either full-screen
-         on smaller screens (small, normal) or as a dialog on larger screens
-         (large, xlarge). -->
-    <style name="Theme.Material.DayNight.DialogWhenLarge.NoActionBar" parent="Theme.Material.DialogWhenLarge.NoActionBar" />
-
-    <!-- Theme for a presentation window on a secondary display. -->
-    <style name="Theme.Material.DayNight.Dialog.Presentation" parent="Theme.Material.Dialog.Presentation" />
-
-    <!-- Material user theme for alert dialog windows, which is used by the
-         {@link android.app.AlertDialog} class. -->
-    <style name="Theme.Material.DayNight.Dialog.Alert" parent="Theme.Material.DayNight.Dialog.BaseAlert" />
-    <style name="Theme.Material.DayNight.Dialog.BaseAlert" parent="Theme.Material.Dialog.BaseAlert" />
-
-    <style name="Theme.Material.DayNight.SearchBar" parent="Theme.Material.SearchBar" />
-    <style name="Theme.Material.DayNight.CompactMenu" parent="Theme.Material.CompactMenu" />
-
-</resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index b0726d28ab6d5..0f9955920dc6c 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2451,24 +2451,6 @@
   <java-symbol type="id" name="aerr_close" />
   <java-symbol type="id" name="aerr_mute" />
 
-  <!-- Framework-private Material.DayNight styles. -->
-  <java-symbol type="style" name="Theme.Material.DayNight" />
-  <java-symbol type="style" name="Theme.Material.DayNight.DarkActionBar" />
-  <java-symbol type="style" name="Theme.Material.DayNight.Dialog" />
-  <java-symbol type="style" name="Theme.Material.DayNight.Dialog.Alert" />
-  <java-symbol type="style" name="Theme.Material.DayNight.Dialog.MinWidth" />
-  <java-symbol type="style" name="Theme.Material.DayNight.Dialog.NoActionBar" />
-  <java-symbol type="style" name="Theme.Material.DayNight.Dialog.NoActionBar.MinWidth" />
-  <java-symbol type="style" name="Theme.Material.DayNight.Dialog.Presentation" />
-  <java-symbol type="style" name="Theme.Material.DayNight.DialogWhenLarge" />
-  <java-symbol type="style" name="Theme.Material.DayNight.DialogWhenLarge.NoActionBar" />
-  <java-symbol type="style" name="Theme.Material.DayNight.NoActionBar" />
-  <java-symbol type="style" name="Theme.Material.DayNight.NoActionBar.Fullscreen" />
-  <java-symbol type="style" name="Theme.Material.DayNight.NoActionBar.Overscan" />
-  <java-symbol type="style" name="Theme.Material.DayNight.NoActionBar.TranslucentDecor" />
-  <java-symbol type="style" name="Theme.Material.DayNight.Panel" />
-  <java-symbol type="style" name="Theme.Material.DayNight.DialogWhenLarge.DarkActionBar" />
-
   <java-symbol type="string" name="status_bar_rotate" />
   <java-symbol type="string" name="status_bar_headset" />
   <java-symbol type="string" name="status_bar_data_saver" />
diff --git a/core/res/res/values/themes_material.xml b/core/res/res/values/themes_material.xml
index a361eda8ae75e..6611eb12c93a6 100644
--- a/core/res/res/values/themes_material.xml
+++ b/core/res/res/values/themes_material.xml
@@ -1294,7 +1294,7 @@ please see themes_device_defaults.xml.
     </style>
 
     <!-- Default theme for Settings and activities launched from Settings. -->
-    <style name="Theme.Material.Settings" parent="Theme.Material.DayNight.DarkActionBar">
+    <style name="Theme.Material.Settings" parent="Theme.Material.Light.DarkActionBar">
         <item name="colorPrimary">@color/material_blue_grey_900</item>
         <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
 
@@ -1304,7 +1304,7 @@ please see themes_device_defaults.xml.
     </style>
 
     <!-- Default theme for Settings and activities launched from Settings. -->
-    <style name="Theme.Material.Settings.NoActionBar" parent="Theme.Material.DayNight.NoActionBar">
+    <style name="Theme.Material.Settings.NoActionBar" parent="Theme.Material.Light.NoActionBar">
         <item name="colorPrimary">@color/material_blue_grey_900</item>
         <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
 
@@ -1313,41 +1313,41 @@ please see themes_device_defaults.xml.
         <item name="panelMenuListTheme">@style/Theme.Material.Settings.CompactMenu</item>
     </style>
 
-    <style name="Theme.Material.Settings.BaseDialog" parent="Theme.Material.DayNight.BaseDialog">
+    <style name="Theme.Material.Settings.BaseDialog" parent="Theme.Material.Light.BaseDialog">
         <item name="colorPrimary">@color/material_blue_grey_900</item>
         <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
     </style>
 
     <style name="Theme.Material.Settings.Dialog" parent="Theme.Material.Settings.BaseDialog" />
 
-    <style name="Theme.Material.Settings.Dialog.BaseAlert" parent="Theme.Material.DayNight.Dialog.BaseAlert">
+    <style name="Theme.Material.Settings.Dialog.BaseAlert" parent="Theme.Material.Light.Dialog.BaseAlert">
         <item name="colorPrimary">@color/material_blue_grey_900</item>
         <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
     </style>
 
     <style name="Theme.Material.Settings.Dialog.Alert" parent="Theme.Material.Settings.Dialog.BaseAlert" />
 
-    <style name="Theme.Material.Settings.DialogWhenLarge" parent="Theme.Material.DayNight.DialogWhenLarge.DarkActionBar">
+    <style name="Theme.Material.Settings.DialogWhenLarge" parent="Theme.Material.Light.DialogWhenLarge.DarkActionBar">
         <item name="colorPrimary">@color/material_blue_grey_900</item>
         <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
     </style>
 
-    <style name="Theme.Material.Settings.DialogWhenLarge.NoActionBar" parent="Theme.Material.DayNight.DialogWhenLarge.NoActionBar">
+    <style name="Theme.Material.Settings.DialogWhenLarge.NoActionBar" parent="Theme.Material.Light.DialogWhenLarge.NoActionBar">
         <item name="colorPrimary">@color/material_blue_grey_900</item>
         <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
     </style>
 
-    <style name="Theme.Material.Settings.Dialog.Presentation" parent="Theme.Material.DayNight.Dialog.Presentation">
+    <style name="Theme.Material.Settings.Dialog.Presentation" parent="Theme.Material.Light.Dialog.Presentation">
         <item name="colorPrimary">@color/material_blue_grey_900</item>
         <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
     </style>
 
-    <style name="Theme.Material.Settings.SearchBar" parent="Theme.Material.DayNight.SearchBar">
+    <style name="Theme.Material.Settings.SearchBar" parent="Theme.Material.Light.SearchBar">
         <item name="colorPrimary">@color/material_blue_grey_900</item>
         <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
     </style>
 
-    <style name="Theme.Material.Settings.CompactMenu" parent="Theme.Material.DayNight.CompactMenu">
+    <style name="Theme.Material.Settings.CompactMenu" parent="Theme.Material.Light.CompactMenu">
         <item name="colorPrimary">@color/material_blue_grey_900</item>
         <item name="colorPrimaryDark">@color/material_blue_grey_950</item>
     </style>
diff --git a/core/res/res/values/themes_material_daynight.xml b/core/res/res/values/themes_material_daynight.xml
deleted file mode 100644
index 4ecca6be0b705..0000000000000
--- a/core/res/res/values/themes_material_daynight.xml
+++ /dev/null
@@ -1,117 +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.
--->
-
-<!--
-===============================================================
-                        PLEASE READ
-===============================================================
-
-The Material themes must not be modified in order to pass CTS.
-Many related themes and styles depend on other values defined in this file.
-If you would like to provide custom themes and styles for your device,
-please see themes_device_defaults.xml.
-
-===============================================================
-                        PLEASE READ
-===============================================================
- -->
-<resources>
-
-    <!-- Material theme (day/night vesion) for activities. -->
-    <style name="Theme.Material.DayNight" parent="Theme.Material.Light" />
-
-    <!-- Variant of Material.DayNight that has a solid (opaque) action bar
-         with an inverse color profile. The dark action bar sharply stands out against
-         the light content (when applicable).  -->
-    <style name="Theme.Material.DayNight.DarkActionBar" parent="Theme.Material.Light.DarkActionBar" />
-
-    <!-- Variant of Material.DayNight with no action bar.  -->
-    <style name="Theme.Material.DayNight.NoActionBar" parent="Theme.Material.Light.NoActionBar" />
-
-    <!-- Variant of Material.DayNight that has no title bar and fills
-         the entire screen. This theme
-         sets {@link android.R.attr#windowFullscreen} to true.  -->
-    <style name="Theme.Material.DayNight.NoActionBar.Fullscreen" parent="Theme.Material.Light.NoActionBar.Fullscreen" />
-
-    <!-- Variant of Material.DayNight that has no title bar and fills
-         the entire screen and extends into the display overscan region. This theme
-         sets {@link android.R.attr#windowFullscreen} and {@link android.R.attr#windowOverscan}
-         to true. -->
-    <style name="Theme.Material.DayNight.NoActionBar.Overscan" parent="Theme.Material.Light.NoActionBar.Overscan" />
-
-    <!-- Variant of Material.DayNight that has no title bar and translucent
-         system decor. This theme sets {@link android.R.attr#windowTranslucentStatus} and
-         {@link android.R.attr#windowTranslucentNavigation} to true. -->
-    <style name="Theme.Material.DayNight.NoActionBar.TranslucentDecor" parent="Theme.Material.Light.NoActionBar.TranslucentDecor" />
-
-    <!-- Default Material.DayNight theme for panel windows. This removes all extraneous
-         window decorations, so you basically have an empty rectangle in which
-         to place your content. It makes the window floating, with a transparent
-         background, and turns off dimming behind the window. -->
-    <style name="Theme.Material.DayNight.Panel" parent="Theme.Material.Light.Panel" />
-
-    <!-- Material theme (day/night vesion) for dialog windows and activities,
-         which is used by the {@link android.app.Dialog} class. This changes
-         the window to be floating (not fill the entire screen), and puts a
-         frame around its contents. You can set this theme on an activity if
-         you would like to make an activity that looks like a Dialog. -->
-    <style name="Theme.Material.DayNight.Dialog" parent="Theme.Material.DayNight.BaseDialog" />
-    <style name="Theme.Material.DayNight.BaseDialog" parent="Theme.Material.Light.BaseDialog" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog that has a nice minimum width for
-         a regular dialog. -->
-    <style name="Theme.Material.DayNight.Dialog.MinWidth" parent="Theme.Material.Light.Dialog.MinWidth" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog that does not include a title bar. -->
-    <style name="Theme.Material.DayNight.Dialog.NoActionBar" parent="Theme.Material.Light.Dialog.NoActionBar" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog.NoActionBar that has a nice minimum width for
-         a regular dialog. -->
-    <style name="Theme.Material.DayNight.Dialog.NoActionBar.MinWidth" parent="Theme.Material.Light.Dialog.NoActionBar.MinWidth" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog that has a fixed size. -->
-    <style name="Theme.Material.DayNight.Dialog.FixedSize" parent="Theme.Material.Light.Dialog.FixedSize" />
-
-    <!-- Variant of Theme.Material.DayNight.Dialog.NoActionBar that has a fixed size. -->
-    <style name="Theme.Material.DayNight.Dialog.NoActionBar.FixedSize" parent="Theme.Material.Light.Dialog.NoActionBar.FixedSize" />
-
-    <!-- Theme for a window that will be displayed either full-screen on
-         smaller screens (small, normal) or as a dialog on larger screens
-         (large, xlarge). -->
-    <style name="Theme.Material.DayNight.DialogWhenLarge" parent="Theme.Material.Light.DialogWhenLarge" />
-
-    <!-- Theme for a window with a dark action bar that will be displayed
-         either full-screen on smaller screens (small, normal) or as a dialog
-         on larger screens (large, xlarge). -->
-    <style name="Theme.Material.DayNight.DialogWhenLarge.DarkActionBar" parent="Theme.Material.Light.DialogWhenLarge.DarkActionBar" />
-
-    <!-- Theme for a window without an action bar that will be displayed either full-screen
-         on smaller screens (small, normal) or as a dialog on larger screens
-         (large, xlarge). -->
-    <style name="Theme.Material.DayNight.DialogWhenLarge.NoActionBar" parent="Theme.Material.Light.DialogWhenLarge.NoActionBar" />
-
-    <!-- Theme for a presentation window on a secondary display. -->
-    <style name="Theme.Material.DayNight.Dialog.Presentation" parent="Theme.Material.Light.Dialog.Presentation" />
-
-    <!-- Material user theme for alert dialog windows, which is used by the
-         {@link android.app.AlertDialog} class. -->
-    <style name="Theme.Material.DayNight.Dialog.Alert" parent="Theme.Material.DayNight.Dialog.BaseAlert" />
-    <style name="Theme.Material.DayNight.Dialog.BaseAlert" parent="Theme.Material.Light.Dialog.BaseAlert" />
-
-    <style name="Theme.Material.DayNight.SearchBar" parent="Theme.Material.Light.SearchBar" />
-    <style name="Theme.Material.DayNight.CompactMenu" parent="Theme.Material.Light.CompactMenu" />
-
-</resources>
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index 0c35573b9ee46..b557dc4d86713 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -139,7 +139,7 @@
 
         <activity
             android:name=".BugreportWarningActivity"
-            android:theme="@*android:style/Theme.Material.DayNight.Dialog.Alert"
+            android:theme="@android:style/Theme.Material.Light.Dialog.Alert"
             android:finishOnCloseSystemDialogs="true"
             android:excludeFromRecents="true"
             android:exported="false" />
diff --git a/packages/VpnDialogs/AndroidManifest.xml b/packages/VpnDialogs/AndroidManifest.xml
index 32e1e6de687fb..08257b63a7ff1 100644
--- a/packages/VpnDialogs/AndroidManifest.xml
+++ b/packages/VpnDialogs/AndroidManifest.xml
@@ -24,7 +24,7 @@
     <application android:label="VpnDialogs"
             android:allowBackup="false" >
         <activity android:name=".ConfirmDialog"
-                android:theme="@*android:style/Theme.Material.DayNight.Dialog.Alert">
+                android:theme="@android:style/Theme.Material.Light.Dialog.Alert">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.DEFAULT"/>
@@ -32,7 +32,7 @@
         </activity>
 
         <activity android:name=".ManageDialog"
-                android:theme="@*android:style/Theme.Material.DayNight.Dialog.Alert"
+                android:theme="@android:style/Theme.Material.Light.Dialog.Alert"
                 android:noHistory="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
diff --git a/packages/WallpaperCropper/res/values/styles.xml b/packages/WallpaperCropper/res/values/styles.xml
index 0f9e247f1c2b6..6a56afd9de50a 100644
--- a/packages/WallpaperCropper/res/values/styles.xml
+++ b/packages/WallpaperCropper/res/values/styles.xml
@@ -15,7 +15,7 @@
 -->
 
 <resources>
-    <style name="Theme.WallpaperCropper" parent="@*android:style/Theme.Material.DayNight">
+    <style name="Theme.WallpaperCropper" parent="@android:style/Theme.Material.Light">
         <item name="android:actionBarStyle">@style/WallpaperCropperActionBar</item>
         <item name="android:windowFullscreen">true</item>
         <item name="android:windowActionBarOverlay">true</item>
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index b026bc577e2d2..7c8b74ae9359f 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -167,7 +167,7 @@ public final class SystemServer {
      * visual content.
      */
     private static final int DEFAULT_SYSTEM_THEME =
-            com.android.internal.R.style.Theme_Material_DayNight_DarkActionBar;
+            com.android.internal.R.style.Theme_Material_Light_DarkActionBar;
 
     private final int mFactoryTestMode;
     private Timer mProfilerSnapshotTimer;