diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 0bc192d..b0ec9b0 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -448,12 +448,10 @@
                 .logStart(LAUNCHER_LATENCY_STARTUP_TOTAL_DURATION)
                 .logStart(LAUNCHER_LATENCY_STARTUP_ACTIVITY_ON_CREATE);
         // Only use a hard-coded cookie since we only want to trace this once.
-        if (Utilities.ATLEAST_S) {
-            Trace.beginAsyncSection(
-                    DISPLAY_WORKSPACE_TRACE_METHOD_NAME, DISPLAY_WORKSPACE_TRACE_COOKIE);
-            Trace.beginAsyncSection(DISPLAY_ALL_APPS_TRACE_METHOD_NAME,
-                    DISPLAY_ALL_APPS_TRACE_COOKIE);
-        }
+        Trace.beginAsyncSection(
+                DISPLAY_WORKSPACE_TRACE_METHOD_NAME, DISPLAY_WORKSPACE_TRACE_COOKIE);
+        Trace.beginAsyncSection(DISPLAY_ALL_APPS_TRACE_METHOD_NAME,
+                DISPLAY_ALL_APPS_TRACE_COOKIE);
         TraceHelper.INSTANCE.beginSection(ON_CREATE_EVT);
         if (DEBUG_STRICT_MODE) {
             StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
@@ -732,13 +730,6 @@
     public void onEnterAnimationComplete() {
         super.onEnterAnimationComplete();
         mRotationHelper.setCurrentTransitionRequest(REQUEST_NONE);
-        // Starting with Android S, onEnterAnimationComplete is sent immediately
-        // causing the surface to get removed before the animation completed (b/175345344).
-        // Instead we rely on next user touch event to remove the view and optionally a callback
-        // from system from Android T onwards.
-        if (!Utilities.ATLEAST_S) {
-            AbstractFloatingView.closeOpenViews(this, false, TYPE_ICON_SURFACE);
-        }
     }
 
     @Override
@@ -2579,10 +2570,8 @@
     public void bindAllApplications(AppInfo[] apps, int flags,
             Map<PackageUserKey, Integer> packageUserKeytoUidMap) {
         mModelCallbacks.bindAllApplications(apps, flags, packageUserKeytoUidMap);
-        if (Utilities.ATLEAST_S) {
-            Trace.endAsyncSection(DISPLAY_ALL_APPS_TRACE_METHOD_NAME,
-                    DISPLAY_ALL_APPS_TRACE_COOKIE);
-        }
+        Trace.endAsyncSection(DISPLAY_ALL_APPS_TRACE_METHOD_NAME,
+                DISPLAY_ALL_APPS_TRACE_COOKIE);
     }
 
     /**
diff --git a/src/com/android/launcher3/ModelCallbacks.kt b/src/com/android/launcher3/ModelCallbacks.kt
index d57f8a0..496d517 100644
--- a/src/com/android/launcher3/ModelCallbacks.kt
+++ b/src/com/android/launcher3/ModelCallbacks.kt
@@ -61,7 +61,7 @@
         AbstractFloatingView.closeOpenViews(
             launcher,
             true,
-            AbstractFloatingView.TYPE_ALL and AbstractFloatingView.TYPE_REBIND_SAFE.inv()
+            AbstractFloatingView.TYPE_ALL and AbstractFloatingView.TYPE_REBIND_SAFE.inv(),
         )
         workspaceLoading = true
 
@@ -76,7 +76,7 @@
             TAG,
             "startBinding: " +
                 "hotseat layout was vertical: ${launcher.hotseat?.isHasVerticalHotseat}" +
-                " and is setting to ${launcher.deviceProfile.isVerticalBarLayout}"
+                " and is setting to ${launcher.deviceProfile.isVerticalBarLayout}",
         )
         launcher.hotseat?.resetLayout(launcher.deviceProfile.isVerticalBarLayout)
         TraceHelper.INSTANCE.endSection()
@@ -88,14 +88,12 @@
         pendingTasks: RunnableList,
         onCompleteSignal: RunnableList,
         workspaceItemCount: Int,
-        isBindSync: Boolean
+        isBindSync: Boolean,
     ) {
-        if (Utilities.ATLEAST_S) {
-            Trace.endAsyncSection(
-                TraceEvents.DISPLAY_WORKSPACE_TRACE_METHOD_NAME,
-                TraceEvents.DISPLAY_WORKSPACE_TRACE_COOKIE
-            )
-        }
+        Trace.endAsyncSection(
+            TraceEvents.DISPLAY_WORKSPACE_TRACE_METHOD_NAME,
+            TraceEvents.DISPLAY_WORKSPACE_TRACE_COOKIE,
+        )
         synchronouslyBoundPages = boundPages
         pagesToBindSynchronously = LIntSet()
         clearPendingBinds()
@@ -149,14 +147,14 @@
         // Cache one page worth of icons
         launcher.viewCache.setCacheSize(
             R.layout.folder_application,
-            deviceProfile.numFolderColumns * deviceProfile.numFolderRows
+            deviceProfile.numFolderColumns * deviceProfile.numFolderRows,
         )
         launcher.viewCache.setCacheSize(R.layout.folder_page, 2)
         TraceHelper.INSTANCE.endSection()
         launcher.workspace.removeExtraEmptyScreen(/* stripEmptyScreens= */ true)
         launcher.workspace.pageIndicator.setPauseScroll(
             /*pause=*/ false,
-            deviceProfile.isTwoPanels
+            deviceProfile.isTwoPanels,
         )
         TestEventEmitter.INSTANCE.get(launcher).sendEvent(TestEvent.WORKSPACE_FINISH_LOADING)
     }
@@ -182,7 +180,7 @@
         val snackbar =
             AbstractFloatingView.getOpenView<AbstractFloatingView>(
                 launcher,
-                AbstractFloatingView.TYPE_SNACKBAR
+                AbstractFloatingView.TYPE_SNACKBAR,
             )
         snackbar?.post { snackbar.close(true) }
     }
@@ -191,7 +189,7 @@
     override fun bindAllApplications(
         apps: Array<AppInfo?>?,
         flags: Int,
-        packageUserKeytoUidMap: Map<PackageUserKey?, Int?>?
+        packageUserKeytoUidMap: Map<PackageUserKey?, Int?>?,
     ) {
         Preconditions.assertUIThread()
         val hadWorkApps = launcher.appsView.shouldShowTabs()
@@ -312,7 +310,7 @@
         val info =
             PendingAddWidgetInfo(
                 widgetsListBaseEntry.mWidgets[0].widgetInfo,
-                LauncherSettings.Favorites.CONTAINER_DESKTOP
+                LauncherSettings.Favorites.CONTAINER_DESKTOP,
             )
         launcher.addPendingItem(
             info,
@@ -320,14 +318,14 @@
             WorkspaceLayoutManager.FIRST_SCREEN_ID,
             intArrayOf(0, 0),
             info.spanX,
-            info.spanY
+            info.spanY,
         )
     }
 
     override fun bindScreens(orderedScreenIds: LIntArray) {
         launcher.workspace.pageIndicator.setPauseScroll(
             /*pause=*/ true,
-            launcher.deviceProfile.isTwoPanels
+            launcher.deviceProfile.isTwoPanels,
         )
         val firstScreenPosition = 0
         if (
@@ -354,7 +352,7 @@
     override fun bindAppsAdded(
         newScreens: LIntArray?,
         addNotAnimated: java.util.ArrayList<ItemInfo?>?,
-        addAnimated: java.util.ArrayList<ItemInfo?>?
+        addAnimated: java.util.ArrayList<ItemInfo?>?,
     ) {
         // Add the new screens
         if (newScreens != null) {
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index fde7014..f8ac48a 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -122,9 +122,6 @@
     public static final String[] EMPTY_STRING_ARRAY = new String[0];
     public static final Person[] EMPTY_PERSON_ARRAY = new Person[0];
 
-    @ChecksSdkIntAtLeast(api = VERSION_CODES.S)
-    public static final boolean ATLEAST_S = Build.VERSION.SDK_INT >= Build.VERSION_CODES.S;
-
     @ChecksSdkIntAtLeast(api = VERSION_CODES.TIRAMISU, codename = "T")
     public static final boolean ATLEAST_T = Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU;
 
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index 4af9e2f..40c0cc6 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -69,7 +69,6 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.WorkspaceLayoutManager;
 import com.android.launcher3.apppairs.AppPairIcon;
@@ -207,15 +206,12 @@
             mWorkspaceScreens.put(Workspace.SECOND_SCREEN_ID, rightPanel);
         }
 
-        if (Utilities.ATLEAST_S) {
-            WallpaperColors wallpaperColors = wallpaperColorsOverride != null
-                    ? wallpaperColorsOverride
-                    : WallpaperManager.getInstance(context).getWallpaperColors(FLAG_SYSTEM);
-            mWallpaperColorResources = wallpaperColors != null ? LocalColorExtractor.newInstance(
-                    context).generateColorsOverride(wallpaperColors) : null;
-        } else {
-            mWallpaperColorResources = null;
-        }
+        WallpaperColors wallpaperColors = wallpaperColorsOverride != null
+                ? wallpaperColorsOverride
+                : WallpaperManager.getInstance(context).getWallpaperColors(FLAG_SYSTEM);
+        mWallpaperColorResources = wallpaperColors != null
+                ? LocalColorExtractor.newInstance(context).generateColorsOverride(wallpaperColors)
+                : null;
         mAppWidgetHost = new LauncherPreviewAppWidgetHost(context);
     }
 
diff --git a/src/com/android/launcher3/model/WidgetItem.java b/src/com/android/launcher3/model/WidgetItem.java
index 3f88717..ac9f2d6 100644
--- a/src/com/android/launcher3/model/WidgetItem.java
+++ b/src/com/android/launcher3/model/WidgetItem.java
@@ -4,8 +4,6 @@
 import static android.appwidget.AppWidgetProviderInfo.WIDGET_CATEGORY_KEYGUARD;
 import static android.appwidget.AppWidgetProviderInfo.WIDGET_CATEGORY_SEARCHBOX;
 
-import static com.android.launcher3.Utilities.ATLEAST_S;
-
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
@@ -48,7 +46,7 @@
         super(info.provider, info.getProfile());
 
         label = iconCache.getTitleNoCache(info);
-        description = ATLEAST_S ? info.loadDescription(context) : null;
+        description = info.loadDescription(context);
         widgetInfo = info;
         activityInfo = null;
 
@@ -107,7 +105,7 @@
     /** Returns whether this {@link WidgetItem} has a preview layout that can be used. */
     @SuppressLint("NewApi") // Already added API check.
     public boolean hasPreviewLayout() {
-        return ATLEAST_S && widgetInfo != null && widgetInfo.previewLayout != Resources.ID_NULL;
+        return widgetInfo != null && widgetInfo.previewLayout != Resources.ID_NULL;
     }
 
     /** Returns whether this {@link WidgetItem} is for a shortcut rather than an app widget. */
diff --git a/src/com/android/launcher3/model/WorkspaceItemProcessor.kt b/src/com/android/launcher3/model/WorkspaceItemProcessor.kt
index 90e47d6..1f1e514 100644
--- a/src/com/android/launcher3/model/WorkspaceItemProcessor.kt
+++ b/src/com/android/launcher3/model/WorkspaceItemProcessor.kt
@@ -30,7 +30,6 @@
 import com.android.launcher3.InvariantDeviceProfile
 import com.android.launcher3.LauncherAppState
 import com.android.launcher3.LauncherSettings.Favorites
-import com.android.launcher3.Utilities
 import com.android.launcher3.backuprestore.LauncherRestoreEventLogger.RestoreError
 import com.android.launcher3.config.FeatureFlags
 import com.android.launcher3.logging.FileLog
@@ -76,7 +75,7 @@
     private val pmHelper: PackageManagerHelper,
     private val iconRequestInfos: MutableList<IconRequestInfo<WorkspaceItemInfo>>,
     private val unlockedUsers: LongSparseArray<Boolean>,
-    private val allDeepShortcuts: MutableList<ShortcutInfo>
+    private val allDeepShortcuts: MutableList<ShortcutInfo>,
 ) {
 
     private val isSafeMode = app.isSafeModeEnabled
@@ -97,7 +96,7 @@
                 // User has been deleted, remove the item.
                 c.markDeleted(
                     "User has been deleted for item id=${c.id}",
-                    RestoreError.PROFILE_DELETED
+                    RestoreError.PROFILE_DELETED,
                 )
                 return
             }
@@ -168,7 +167,7 @@
                 FileLog.d(
                     TAG,
                     "Activity not enabled for id=${c.id}, component=$cn, user=${c.user}." +
-                        " Will attempt to find fallback Activity for targetPkg=$targetPkg."
+                        " Will attempt to find fallback Activity for targetPkg=$targetPkg.",
                 )
                 intent = pmHelper.getAppLaunchIntent(targetPkg, c.user)
                 if (intent != null) {
@@ -178,7 +177,7 @@
                     c.markDeleted(
                         "No Activities found for id=${c.id}, targetPkg=$targetPkg, component=$cn." +
                             " Unable to create launch Intent.",
-                        RestoreError.MISSING_INFO
+                        RestoreError.MISSING_INFO,
                     )
                     return
                 }
@@ -213,7 +212,7 @@
                             else -> {
                                 c.markDeleted(
                                     "removing app that is not restored and not installing. package: $targetPkg",
-                                    RestoreError.APP_NOT_INSTALLED
+                                    RestoreError.APP_NOT_INSTALLED,
                                 )
                                 return
                             }
@@ -238,7 +237,7 @@
                         // Do not wait for external media load anymore.
                         c.markDeleted(
                             "Invalid package removed: $targetPkg",
-                            RestoreError.APP_NOT_INSTALLED
+                            RestoreError.APP_NOT_INSTALLED,
                         )
                         return
                     }
@@ -270,7 +269,7 @@
                         // The shortcut is no longer valid.
                         c.markDeleted(
                             "Pinned shortcut not found from request. package=${key.packageName}, user=${c.user}",
-                            RestoreError.SHORTCUT_NOT_FOUND
+                            RestoreError.SHORTCUT_NOT_FOUND,
                         )
                         return
                     }
@@ -337,7 +336,7 @@
                     activityInfo,
                     userCache.getUserInfo(c.user),
                     ApiWrapper.INSTANCE[app.context],
-                    pmHelper
+                    pmHelper,
                 )
             }
             if (
@@ -445,7 +444,7 @@
                     ", id=${c.id}," +
                     ", appWidgetId=${c.appWidgetId}," +
                     ", component=${component}",
-                RestoreError.INVALID_LOCATION
+                RestoreError.INVALID_LOCATION,
             )
             return
         }
@@ -456,7 +455,7 @@
                     ", appWidgetId=${c.appWidgetId}," +
                     ", component=${component}," +
                     ", container=${c.container}",
-                RestoreError.INVALID_LOCATION
+                RestoreError.INVALID_LOCATION,
             )
             return
         }
@@ -470,7 +469,7 @@
             TAG,
             "processWidget: id=${c.id}" +
                 ", appWidgetId=${c.appWidgetId}" +
-                ", inflationResult=$inflationResult"
+                ", inflationResult=$inflationResult",
         )
         when (inflationResult.type) {
             WidgetInflater.TYPE_DELETE -> {
@@ -496,7 +495,7 @@
                             ", appWidgetId=${c.appWidgetId}" +
                             ", component=${component}" +
                             ", restoreFlag:=${c.restoreFlag}",
-                        RestoreError.APP_NOT_INSTALLED
+                        RestoreError.APP_NOT_INSTALLED,
                     )
                     return
                 } else if (
@@ -512,7 +511,7 @@
                     WidgetsModel.newPendingItemInfo(
                         app.context,
                         appWidgetInfo.providerName,
-                        appWidgetInfo.user
+                        appWidgetInfo.user,
                     )
                 iconCache.getTitleAndIconForApp(appWidgetInfo.pendingItemInfo, false)
             }
@@ -522,7 +521,7 @@
                     lapi,
                     app.context,
                     appWidgetInfo.spanX,
-                    appWidgetInfo.spanY
+                    appWidgetInfo.spanY,
                 )
         }
 
@@ -541,7 +540,7 @@
                     " processWidget: Widget ${lapi.component} minSizes not met: span=${appWidgetInfo.spanX}x${appWidgetInfo.spanY} minSpan=${lapi.minSpanX}x${lapi.minSpanY}," +
                         " id: ${c.id}," +
                         " appWidgetId: ${c.appWidgetId}," +
-                        " component=${component}"
+                        " component=${component}",
                 )
                 logWidgetInfo(app.invariantDeviceProfile, lapi)
             }
@@ -554,7 +553,7 @@
 
         private fun logWidgetInfo(
             idp: InvariantDeviceProfile,
-            widgetProviderInfo: LauncherAppWidgetProviderInfo
+            widgetProviderInfo: LauncherAppWidgetProviderInfo,
         ) {
             val cellSize = Point()
             for (deviceProfile in idp.supportedProfiles) {
@@ -565,7 +564,7 @@
                         " available height: ${deviceProfile.availableHeightPx}," +
                         " cellLayoutBorderSpacePx Horizontal: ${deviceProfile.cellLayoutBorderSpacePx.x}," +
                         " cellLayoutBorderSpacePx Vertical: ${deviceProfile.cellLayoutBorderSpacePx.y}," +
-                        " cellSize: $cellSize"
+                        " cellSize: $cellSize",
                 )
             }
             val widgetDimension = StringBuilder()
@@ -583,21 +582,19 @@
                 .append("defaultHeight: ")
                 .append(widgetProviderInfo.minHeight)
                 .append("\n")
-            if (Utilities.ATLEAST_S) {
-                widgetDimension
-                    .append("targetCellWidth: ")
-                    .append(widgetProviderInfo.targetCellWidth)
-                    .append("\n")
-                    .append("targetCellHeight: ")
-                    .append(widgetProviderInfo.targetCellHeight)
-                    .append("\n")
-                    .append("maxResizeWidth: ")
-                    .append(widgetProviderInfo.maxResizeWidth)
-                    .append("\n")
-                    .append("maxResizeHeight: ")
-                    .append(widgetProviderInfo.maxResizeHeight)
-                    .append("\n")
-            }
+            widgetDimension
+                .append("targetCellWidth: ")
+                .append(widgetProviderInfo.targetCellWidth)
+                .append("\n")
+                .append("targetCellHeight: ")
+                .append(widgetProviderInfo.targetCellHeight)
+                .append("\n")
+                .append("maxResizeWidth: ")
+                .append(widgetProviderInfo.maxResizeWidth)
+                .append("\n")
+                .append("maxResizeHeight: ")
+                .append(widgetProviderInfo.maxResizeHeight)
+                .append("\n")
             FileLog.d(TAG, widgetDimension.toString())
         }
     }
diff --git a/src/com/android/launcher3/model/data/LauncherAppWidgetInfo.java b/src/com/android/launcher3/model/data/LauncherAppWidgetInfo.java
index f4dda55..361f09d 100644
--- a/src/com/android/launcher3/model/data/LauncherAppWidgetInfo.java
+++ b/src/com/android/launcher3/model/data/LauncherAppWidgetInfo.java
@@ -21,7 +21,6 @@
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_PIN_WIDGETS;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_WIDGETS_PREDICTION;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_WIDGETS_TRAY;
-import static com.android.launcher3.Utilities.ATLEAST_S;
 
 import android.appwidget.AppWidgetHostView;
 import android.content.ComponentName;
@@ -233,16 +232,16 @@
         if (providerInfo.isConfigurationOptional()) {
             widgetFeatures |= FEATURE_OPTIONAL_CONFIGURATION;
         }
-        if (ATLEAST_S && providerInfo.previewLayout != Resources.ID_NULL) {
+        if (providerInfo.previewLayout != Resources.ID_NULL) {
             widgetFeatures |= FEATURE_PREVIEW_LAYOUT;
         }
-        if (ATLEAST_S && providerInfo.targetCellWidth > 0 || providerInfo.targetCellHeight > 0) {
+        if (providerInfo.targetCellWidth > 0 || providerInfo.targetCellHeight > 0) {
             widgetFeatures |= FEATURE_TARGET_CELL_SIZE;
         }
         if (providerInfo.minResizeWidth > 0 || providerInfo.minResizeHeight > 0) {
             widgetFeatures |= FEATURE_MIN_SIZE;
         }
-        if (ATLEAST_S && providerInfo.maxResizeWidth > 0 || providerInfo.maxResizeHeight > 0) {
+        if (providerInfo.maxResizeWidth > 0 || providerInfo.maxResizeHeight > 0) {
             widgetFeatures |= FEATURE_MAX_SIZE;
         }
         if (hostView instanceof LauncherAppWidgetHostView &&
diff --git a/src/com/android/launcher3/util/DisplayController.java b/src/com/android/launcher3/util/DisplayController.java
index dff9a07..afa5075 100644
--- a/src/com/android/launcher3/util/DisplayController.java
+++ b/src/com/android/launcher3/util/DisplayController.java
@@ -15,7 +15,6 @@
  */
 package com.android.launcher3.util;
 
-import static android.content.Intent.ACTION_CONFIGURATION_CHANGED;
 import static android.view.Display.DEFAULT_DISPLAY;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
 
@@ -33,7 +32,6 @@
 import static com.android.launcher3.util.window.WindowManagerProxy.MIN_TABLET_WIDTH;
 
 import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
 import android.content.ComponentCallbacks;
 import android.content.Context;
 import android.content.Intent;
@@ -42,7 +40,6 @@
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.hardware.display.DisplayManager;
-import android.os.Build;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Log;
@@ -132,21 +129,15 @@
         }
 
         Display display = mDM.getDisplay(DEFAULT_DISPLAY);
-        if (Utilities.ATLEAST_S) {
-            mWindowContext = mContext.createWindowContext(display, TYPE_APPLICATION, null);
-            mWindowContext.registerComponentCallbacks(this);
-        } else {
-            mWindowContext = null;
-            mReceiver.register(mContext, ACTION_CONFIGURATION_CHANGED);
-        }
+        mWindowContext = mContext.createWindowContext(display, TYPE_APPLICATION, null);
+        mWindowContext.registerComponentCallbacks(this);
 
         // Initialize navigation mode change listener
         mReceiver.registerPkgActions(mContext, TARGET_OVERLAY_PACKAGE, ACTION_OVERLAY_CHANGED);
 
         WindowManagerProxy wmProxy = WindowManagerProxy.INSTANCE.get(context);
-        Context displayInfoContext = getDisplayInfoContext(display);
-        mInfo = new Info(displayInfoContext, wmProxy,
-                wmProxy.estimateInternalDisplayBounds(displayInfoContext));
+        mInfo = new Info(mWindowContext, wmProxy,
+                wmProxy.estimateInternalDisplayBounds(mWindowContext));
         FileLog.i(TAG, "(CTOR) perDisplayBounds: " + mInfo.mPerDisplayBounds);
     }
 
@@ -161,7 +152,7 @@
                                     && mInfo.mIsTaskbarPinnedInDesktopMode != prefs.get(
                                     TASKBAR_PINNING_IN_DESKTOP_MODE);
                     if (isTaskbarPinningChanged || isTaskbarPinningDesktopModeChanged) {
-                        handleInfoChange(mWindowContext.getDisplay());
+                        handleInfoChange();
                     }
                 };
 
@@ -191,14 +182,14 @@
      * Handles info change for desktop mode.
      */
     public static void handleInfoChangeForDesktopMode(Context context) {
-        INSTANCE.get(context).handleInfoChange(context.getDisplay());
+        INSTANCE.get(context).handleInfoChange();
     }
 
     /**
      * Handles info change for launcher visibility.
      */
     public static void handleInfoChangeForLauncherVisibilityChanged(Context context) {
-        INSTANCE.get(context).handleInfoChange(context.getDisplay());
+        INSTANCE.get(context).handleInfoChange();
     }
 
     /**
@@ -266,36 +257,22 @@
         if (mDestroyed) {
             return;
         }
-        boolean reconfigure = false;
         if (ACTION_OVERLAY_CHANGED.equals(intent.getAction())) {
-            reconfigure = true;
-        } else if (ACTION_CONFIGURATION_CHANGED.equals(intent.getAction())) {
-            Configuration config = mContext.getResources().getConfiguration();
-            reconfigure = mInfo.fontScale != config.fontScale
-                    || mInfo.densityDpi != config.densityDpi;
-        }
-
-        if (reconfigure) {
-            Log.d(TAG, "Configuration changed, notifying listeners");
-            Display display = mDM.getDisplay(DEFAULT_DISPLAY);
-            if (display != null) {
-                handleInfoChange(display);
-            }
+            Log.d(TAG, "Overlay changed, notifying listeners");
+            handleInfoChange();
         }
     }
 
     @UiThread
     @Override
-    @TargetApi(Build.VERSION_CODES.S)
     public final void onConfigurationChanged(Configuration config) {
         Log.d(TASKBAR_NOT_DESTROYED_TAG, "DisplayController#onConfigurationChanged: " + config);
-        Display display = mWindowContext.getDisplay();
         if (config.densityDpi != mInfo.densityDpi
                 || config.fontScale != mInfo.fontScale
-                || display.getRotation() != mInfo.rotation
                 || !mInfo.mScreenSizeDp.equals(
-                        new PortraitSize(config.screenHeightDp, config.screenWidthDp))) {
-            handleInfoChange(display);
+                        new PortraitSize(config.screenHeightDp, config.screenWidthDp))
+                || mWindowContext.getDisplay().getRotation() != mInfo.rotation) {
+            handleInfoChange();
         }
     }
 
@@ -318,17 +295,13 @@
         return mInfo;
     }
 
-    private Context getDisplayInfoContext(Display display) {
-        return Utilities.ATLEAST_S ? mWindowContext : mContext.createDisplayContext(display);
-    }
-
     @AnyThread
     @VisibleForTesting
-    public void handleInfoChange(Display display) {
+    public void handleInfoChange() {
         WindowManagerProxy wmProxy = WindowManagerProxy.INSTANCE.get(mContext);
         Info oldInfo = mInfo;
 
-        Context displayInfoContext = getDisplayInfoContext(display);
+        Context displayInfoContext = mWindowContext;
         Info newInfo = new Info(displayInfoContext, wmProxy, oldInfo.mPerDisplayBounds);
 
         if (newInfo.densityDpi != oldInfo.densityDpi || newInfo.fontScale != oldInfo.fontScale
diff --git a/src/com/android/launcher3/util/EdgeEffectCompat.java b/src/com/android/launcher3/util/EdgeEffectCompat.java
index ca37259..a949f50 100644
--- a/src/com/android/launcher3/util/EdgeEffectCompat.java
+++ b/src/com/android/launcher3/util/EdgeEffectCompat.java
@@ -19,8 +19,6 @@
 import android.view.MotionEvent;
 import android.widget.EdgeEffect;
 
-import com.android.launcher3.Utilities;
-
 /**
  * Extension of {@link EdgeEffect} to allow backwards compatibility
  */
@@ -30,21 +28,6 @@
         super(context);
     }
 
-    @Override
-    public float getDistance() {
-        return Utilities.ATLEAST_S ? super.getDistance() : 0;
-    }
-
-    @Override
-    public float onPullDistance(float deltaDistance, float displacement) {
-        if (Utilities.ATLEAST_S) {
-            return super.onPullDistance(deltaDistance, displacement);
-        } else {
-            onPull(deltaDistance, displacement);
-            return deltaDistance;
-        }
-    }
-
     public float onPullDistance(float deltaDistance, float displacement, MotionEvent ev) {
         return onPullDistance(deltaDistance, displacement);
     }
diff --git a/src/com/android/launcher3/util/OverlayEdgeEffect.java b/src/com/android/launcher3/util/OverlayEdgeEffect.java
index d09d801..0623af7 100644
--- a/src/com/android/launcher3/util/OverlayEdgeEffect.java
+++ b/src/com/android/launcher3/util/OverlayEdgeEffect.java
@@ -46,6 +46,7 @@
         return mDistance;
     }
 
+    @Override
     public float onPullDistance(float deltaDistance, float displacement) {
         // Fallback implementation, will never actually get called
         if (BuildConfig.IS_DEBUG_DEVICE) {
diff --git a/src/com/android/launcher3/util/PackageManagerHelper.java b/src/com/android/launcher3/util/PackageManagerHelper.java
index 469e363..b1913c0 100644
--- a/src/com/android/launcher3/util/PackageManagerHelper.java
+++ b/src/com/android/launcher3/util/PackageManagerHelper.java
@@ -303,10 +303,7 @@
 
     /** Returns the incremental download progress for the given shortcut's app. */
     public static int getLoadingProgress(LauncherActivityInfo info) {
-        if (Utilities.ATLEAST_S) {
-            return (int) (100 * info.getLoadingProgress());
-        }
-        return 100;
+        return (int) (100 * info.getLoadingProgress());
     }
 
     /** Returns true in case app is installed on the device or in archived state. */
diff --git a/src/com/android/launcher3/util/Themes.java b/src/com/android/launcher3/util/Themes.java
index 60951ba..104040a 100644
--- a/src/com/android/launcher3/util/Themes.java
+++ b/src/com/android/launcher3/util/Themes.java
@@ -52,10 +52,8 @@
     }
 
     public static int getActivityThemeRes(Context context, int wallpaperColorHints) {
-        boolean supportsDarkText = Utilities.ATLEAST_S
-                && (wallpaperColorHints & HINT_SUPPORTS_DARK_TEXT) != 0;
-        boolean isMainColorDark = Utilities.ATLEAST_S
-                && (wallpaperColorHints & HINT_SUPPORTS_DARK_THEME) != 0;
+        boolean supportsDarkText = (wallpaperColorHints & HINT_SUPPORTS_DARK_TEXT) != 0;
+        boolean isMainColorDark = (wallpaperColorHints & HINT_SUPPORTS_DARK_THEME) != 0;
 
         if (Utilities.isDarkTheme(context)) {
             return supportsDarkText ? R.style.AppTheme_Dark_DarkText
diff --git a/src/com/android/launcher3/util/VibratorWrapper.java b/src/com/android/launcher3/util/VibratorWrapper.java
index a4b8eb0..adb8f9d 100644
--- a/src/com/android/launcher3/util/VibratorWrapper.java
+++ b/src/com/android/launcher3/util/VibratorWrapper.java
@@ -31,8 +31,6 @@
 
 import androidx.annotation.VisibleForTesting;
 
-import com.android.launcher3.Utilities;
-
 /**
  * Wrapper around {@link Vibrator} to easily perform haptic feedback where necessary.
  */
@@ -129,7 +127,7 @@
 
     /** Indicates that Taskbar has been invoked. */
     public void vibrateForTaskbarUnstash() {
-        if (Utilities.ATLEAST_S && mVibrator.areAllPrimitivesSupported(PRIMITIVE_LOW_TICK)) {
+        if (mVibrator.areAllPrimitivesSupported(PRIMITIVE_LOW_TICK)) {
             VibrationEffect primitiveLowTickEffect = VibrationEffect
                     .startComposition()
                     .addPrimitive(PRIMITIVE_LOW_TICK, LOW_TICK_SCALE)
diff --git a/src/com/android/launcher3/util/WallpaperColorHints.kt b/src/com/android/launcher3/util/WallpaperColorHints.kt
index 1361c1e..11d4c25 100644
--- a/src/com/android/launcher3/util/WallpaperColorHints.kt
+++ b/src/com/android/launcher3/util/WallpaperColorHints.kt
@@ -23,7 +23,6 @@
 import android.content.Context
 import androidx.annotation.MainThread
 import androidx.annotation.VisibleForTesting
-import com.android.launcher3.Utilities
 import com.android.launcher3.util.Executors.MAIN_EXECUTOR
 import com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR
 
@@ -34,36 +33,34 @@
 class WallpaperColorHints(private val context: Context) : SafeCloseable {
     var hints: Int = 0
         private set
+
     private val wallpaperManager
         get() = context.getSystemService(WallpaperManager::class.java)!!
+
     private val onColorHintsChangedListeners = mutableListOf<OnColorHintListener>()
     private val onClose: SafeCloseable
 
     init {
-        if (Utilities.ATLEAST_S) {
-            hints = wallpaperManager.getWallpaperColors(FLAG_SYSTEM)?.colorHints ?: 0
-            val onColorsChangedListener = OnColorsChangedListener { colors, which ->
-                onColorsChanged(colors, which)
-            }
+        hints = wallpaperManager.getWallpaperColors(FLAG_SYSTEM)?.colorHints ?: 0
+        val onColorsChangedListener = OnColorsChangedListener { colors, which ->
+            onColorsChanged(colors, which)
+        }
+        UI_HELPER_EXECUTOR.execute {
+            wallpaperManager.addOnColorsChangedListener(
+                onColorsChangedListener,
+                MAIN_EXECUTOR.handler,
+            )
+        }
+        onClose = SafeCloseable {
             UI_HELPER_EXECUTOR.execute {
-                wallpaperManager.addOnColorsChangedListener(
-                    onColorsChangedListener,
-                    MAIN_EXECUTOR.handler
-                )
+                wallpaperManager.removeOnColorsChangedListener(onColorsChangedListener)
             }
-            onClose = SafeCloseable {
-                UI_HELPER_EXECUTOR.execute {
-                    wallpaperManager.removeOnColorsChangedListener(onColorsChangedListener)
-                }
-            }
-        } else {
-            onClose = SafeCloseable {}
         }
     }
 
     @MainThread
     private fun onColorsChanged(colors: WallpaperColors?, which: Int) {
-        if ((which and FLAG_SYSTEM) != 0 && Utilities.ATLEAST_S) {
+        if ((which and FLAG_SYSTEM) != 0) {
             val newHints = colors?.colorHints ?: 0
             if (newHints != hints) {
                 hints = newHints
@@ -86,6 +83,7 @@
         @VisibleForTesting
         @JvmField
         val INSTANCE = MainThreadInitializedObject { WallpaperColorHints(it) }
+
         @JvmStatic fun get(context: Context): WallpaperColorHints = INSTANCE.get(context)
     }
 }
diff --git a/src/com/android/launcher3/util/window/WindowManagerProxy.java b/src/com/android/launcher3/util/window/WindowManagerProxy.java
index 22ecf68..84b4a36 100644
--- a/src/com/android/launcher3/util/window/WindowManagerProxy.java
+++ b/src/com/android/launcher3/util/window/WindowManagerProxy.java
@@ -32,7 +32,6 @@
 import static com.android.launcher3.util.RotationUtils.rotateRect;
 import static com.android.launcher3.util.RotationUtils.rotateSize;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -40,7 +39,6 @@
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.hardware.display.DisplayManager;
-import android.os.Build;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.view.Display;
@@ -54,7 +52,6 @@
 import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.testing.shared.ResourceUtils;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.NavigationMode;
@@ -230,7 +227,7 @@
             int screenWidthPx,
             @NonNull WindowInsets windowInsets,
             @NonNull WindowInsets.Builder insetsBuilder) {
-        if (!isLargeScreen || !Utilities.ATLEAST_S) {
+        if (!isLargeScreen) {
             return;
         }
 
@@ -405,25 +402,16 @@
     /**
      * Returns a CachedDisplayInfo initialized for the current display
      */
-    @TargetApi(Build.VERSION_CODES.S)
     public CachedDisplayInfo getDisplayInfo(Context displayInfoContext) {
         int rotation = getRotation(displayInfoContext);
-        if (Utilities.ATLEAST_S) {
-            WindowMetrics windowMetrics = displayInfoContext.getSystemService(WindowManager.class)
-                    .getMaximumWindowMetrics();
-            return getDisplayInfo(windowMetrics, rotation);
-        } else {
-            Point size = new Point();
-            Display display = getDisplay(displayInfoContext);
-            display.getRealSize(size);
-            return new CachedDisplayInfo(size, rotation);
-        }
+        WindowMetrics windowMetrics = displayInfoContext.getSystemService(WindowManager.class)
+                .getMaximumWindowMetrics();
+        return getDisplayInfo(windowMetrics, rotation);
     }
 
     /**
      * Returns a CachedDisplayInfo initialized for the current display
      */
-    @TargetApi(Build.VERSION_CODES.S)
     protected CachedDisplayInfo getDisplayInfo(WindowMetrics windowMetrics, int rotation) {
         Point size = new Point(windowMetrics.getBounds().right, windowMetrics.getBounds().bottom);
         return new CachedDisplayInfo(size, rotation,
@@ -492,8 +480,7 @@
                 }
             }
         }
-        return Utilities.ATLEAST_S ? NavigationMode.NO_BUTTON :
-                NavigationMode.THREE_BUTTONS;
+        return NavigationMode.NO_BUTTON;
     }
 
     @Override
diff --git a/src/com/android/launcher3/views/SpringRelativeLayout.java b/src/com/android/launcher3/views/SpringRelativeLayout.java
index 923eb19..a13152e 100644
--- a/src/com/android/launcher3/views/SpringRelativeLayout.java
+++ b/src/com/android/launcher3/views/SpringRelativeLayout.java
@@ -25,8 +25,6 @@
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.recyclerview.widget.RecyclerView.EdgeEffectFactory;
 
-import com.android.launcher3.Utilities;
-
 /**
  * View group to allow rendering overscroll effect in a child at the parent level
  */
@@ -46,10 +44,8 @@
 
     public SpringRelativeLayout(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
-        mEdgeGlowTop = Utilities.ATLEAST_S
-                ? new EdgeEffect(context, attrs) : new EdgeEffect(context);
-        mEdgeGlowBottom = Utilities.ATLEAST_S
-                ? new EdgeEffect(context, attrs) : new EdgeEffect(context);
+        mEdgeGlowTop = new EdgeEffect(context, attrs);
+        mEdgeGlowBottom = new EdgeEffect(context, attrs);
         setWillNotDraw(false);
     }
 
diff --git a/src/com/android/launcher3/widget/BaseLauncherAppWidgetHostView.java b/src/com/android/launcher3/widget/BaseLauncherAppWidgetHostView.java
index 856f4b3..12a14c2 100644
--- a/src/com/android/launcher3/widget/BaseLauncherAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/BaseLauncherAppWidgetHostView.java
@@ -104,7 +104,7 @@
 
     @UiThread
     private void enforceRoundedCorners() {
-        if (mEnforcedCornerRadius <= 0 || !RoundedCornerEnforcement.isRoundedCornerEnabled()) {
+        if (mEnforcedCornerRadius <= 0) {
             resetRoundedCorners();
             return;
         }
diff --git a/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java b/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
index 2817299..ab42839 100644
--- a/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
+++ b/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
@@ -183,19 +183,14 @@
 
                 // Draw horizontal and vertical lines to represent individual columns.
                 final Paint p = new Paint(Paint.ANTI_ALIAS_FLAG);
+                boxRect = new RectF(/* left= */ 0, /* top= */ 0, /* right= */
+                        previewWidthF, /* bottom= */ previewHeightF);
 
-                if (Utilities.ATLEAST_S) {
-                    boxRect = new RectF(/* left= */ 0, /* top= */ 0, /* right= */
-                            previewWidthF, /* bottom= */ previewHeightF);
-
-                    p.setStyle(Paint.Style.FILL);
-                    p.setColor(Color.WHITE);
-                    float roundedCorner = mContext.getResources().getDimension(
-                            android.R.dimen.system_app_widget_background_radius);
-                    c.drawRoundRect(boxRect, roundedCorner, roundedCorner, p);
-                } else {
-                    boxRect = drawBoxWithShadow(c, previewWidthF, previewHeightF);
-                }
+                p.setStyle(Paint.Style.FILL);
+                p.setColor(Color.WHITE);
+                float roundedCorner = mContext.getResources().getDimension(
+                        android.R.dimen.system_app_widget_background_radius);
+                c.drawRoundRect(boxRect, roundedCorner, roundedCorner, p);
 
                 p.setStyle(Paint.Style.STROKE);
                 p.setStrokeWidth(mContext.getResources()
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java b/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java
index 3e4fd8c..e77ba24 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java
@@ -1,7 +1,5 @@
 package com.android.launcher3.widget;
 
-import static com.android.launcher3.Utilities.ATLEAST_S;
-
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.ComponentName;
 import android.content.Context;
@@ -116,15 +114,13 @@
                     getSpanY(widgetPadding, minResizeHeight, dp.cellLayoutBorderSpacePx.y,
                             cellSize.y));
 
-            if (ATLEAST_S) {
-                if (maxResizeWidth > 0) {
-                    maxSpanX = Math.min(maxSpanX, getSpanX(widgetPadding, maxResizeWidth,
-                            dp.cellLayoutBorderSpacePx.x, cellSize.x));
-                }
-                if (maxResizeHeight > 0) {
-                    maxSpanY = Math.min(maxSpanY, getSpanY(widgetPadding, maxResizeHeight,
-                            dp.cellLayoutBorderSpacePx.y, cellSize.y));
-                }
+            if (maxResizeWidth > 0) {
+                maxSpanX = Math.min(maxSpanX, getSpanX(widgetPadding, maxResizeWidth,
+                        dp.cellLayoutBorderSpacePx.x, cellSize.x));
+            }
+            if (maxResizeHeight > 0) {
+                maxSpanY = Math.min(maxSpanY, getSpanY(widgetPadding, maxResizeHeight,
+                        dp.cellLayoutBorderSpacePx.y, cellSize.y));
             }
 
             spanX = Math.max(spanX,
@@ -135,18 +131,16 @@
                             cellSize.y));
         }
 
-        if (ATLEAST_S) {
-            // Ensures maxSpan >= minSpan
-            maxSpanX = Math.max(maxSpanX, minSpanX);
-            maxSpanY = Math.max(maxSpanY, minSpanY);
+        // Ensures maxSpan >= minSpan
+        maxSpanX = Math.max(maxSpanX, minSpanX);
+        maxSpanY = Math.max(maxSpanY, minSpanY);
 
-            // Use targetCellWidth/Height if it is within the min/max ranges.
-            // Otherwise, use the span of minWidth/Height.
-            if (targetCellWidth >= minSpanX && targetCellWidth <= maxSpanX
-                    && targetCellHeight >= minSpanY && targetCellHeight <= maxSpanY) {
-                spanX = targetCellWidth;
-                spanY = targetCellHeight;
-            }
+        // Use targetCellWidth/Height if it is within the min/max ranges.
+        // Otherwise, use the span of minWidth/Height.
+        if (targetCellWidth >= minSpanX && targetCellWidth <= maxSpanX
+                && targetCellHeight >= minSpanY && targetCellHeight <= maxSpanY) {
+            spanX = targetCellWidth;
+            spanY = targetCellHeight;
         }
 
         // If minSpanX/Y > spanX/Y, ignore the minSpanX/Y to match the behavior described in
@@ -213,8 +207,7 @@
     }
 
     public boolean isConfigurationOptional() {
-        return ATLEAST_S
-                && isReconfigurable()
+        return isReconfigurable()
                 && (getWidgetFeatures() & WIDGET_FEATURE_CONFIGURATION_OPTIONAL) != 0;
     }
 
diff --git a/src/com/android/launcher3/widget/PendingItemDragHelper.java b/src/com/android/launcher3/widget/PendingItemDragHelper.java
index 8857774..130d533 100644
--- a/src/com/android/launcher3/widget/PendingItemDragHelper.java
+++ b/src/com/android/launcher3/widget/PendingItemDragHelper.java
@@ -136,9 +136,7 @@
                 Drawable p = new FastBitmapDrawable(new DatabaseWidgetPreviewLoader(launcher)
                         .generateWidgetPreview(
                                 createWidgetInfo.info, maxWidth, previewSizeBeforeScale));
-                if (RoundedCornerEnforcement.isRoundedCornerEnabled()) {
-                    p = new RoundDrawableWrapper(p, mEnforcedRoundedCornersForWidget);
-                }
+                p = new RoundDrawableWrapper(p, mEnforcedRoundedCornersForWidget);
                 preview = p;
             }
 
diff --git a/src/com/android/launcher3/widget/RoundedCornerEnforcement.java b/src/com/android/launcher3/widget/RoundedCornerEnforcement.java
index a2fac46..cadaf89 100644
--- a/src/com/android/launcher3/widget/RoundedCornerEnforcement.java
+++ b/src/com/android/launcher3/widget/RoundedCornerEnforcement.java
@@ -28,7 +28,6 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -70,11 +69,6 @@
         return background.getId() == android.R.id.background && background.getClipToOutline();
     }
 
-    /** Check if the app widget is in the deny list. */
-    public static boolean isRoundedCornerEnabled() {
-        return Utilities.ATLEAST_S;
-    }
-
     /**
      * Computes the rounded rectangle needed for this app widget.
      *
@@ -101,9 +95,6 @@
      * in the given context.
      */
     public static float computeEnforcedRadius(@NonNull Context context) {
-        if (!Utilities.ATLEAST_S) {
-            return 0;
-        }
         Resources res = context.getResources();
         float systemRadius = res.getDimension(android.R.dimen.system_app_widget_background_radius);
         float defaultRadius = res.getDimension(R.dimen.enforced_rounded_corner_max_radius);