diff --git a/src/com/android/launcher3/AppWidgetResizeFrame.java b/src/com/android/launcher3/AppWidgetResizeFrame.java
index 79b831e..4a277f0 100644
--- a/src/com/android/launcher3/AppWidgetResizeFrame.java
+++ b/src/com/android/launcher3/AppWidgetResizeFrame.java
@@ -191,14 +191,12 @@
     @Override
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
         super.onLayout(changed, l, t, r, b);
-        if (Utilities.ATLEAST_Q) {
-            for (int i = 0; i < HANDLE_COUNT; i++) {
-                View dragHandle = mDragHandles[i];
-                mSystemGestureExclusionRects.get(i).set(dragHandle.getLeft(), dragHandle.getTop(),
-                        dragHandle.getRight(), dragHandle.getBottom());
-            }
-            setSystemGestureExclusionRects(mSystemGestureExclusionRects);
+        for (int i = 0; i < HANDLE_COUNT; i++) {
+            View dragHandle = mDragHandles[i];
+            mSystemGestureExclusionRects.get(i).set(dragHandle.getLeft(), dragHandle.getTop(),
+                    dragHandle.getRight(), dragHandle.getBottom());
         }
+        setSystemGestureExclusionRects(mSystemGestureExclusionRects);
     }
 
     public static void showForWidget(LauncherAppWidgetHostView widget, CellLayout cellLayout) {
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index b6f6615..1c2ed43 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -20,11 +20,8 @@
 
 import android.content.Context;
 import android.content.res.Configuration;
-import android.graphics.Point;
-import android.graphics.Rect;
 import android.os.Bundle;
 import android.view.ActionMode;
-import android.view.Display;
 import android.view.View;
 
 import androidx.annotation.MainThread;
@@ -165,15 +162,7 @@
     protected abstract void reapplyUi();
 
     protected WindowBounds getMultiWindowDisplaySize() {
-        if (Utilities.ATLEAST_R) {
-            return WindowBounds.fromWindowMetrics(getWindowManager().getCurrentWindowMetrics());
-        }
-        // Note: Calls to getSize() can't rely on our cached DefaultDisplay since it can return
-        // the app window size
-        Display display = getWindowManager().getDefaultDisplay();
-        Point mwSize = new Point();
-        display.getSize(mwSize);
-        return new WindowBounds(new Rect(0, 0, mwSize.x, mwSize.y), new Rect());
+        return WindowBounds.fromWindowMetrics(getWindowManager().getCurrentWindowMetrics());
     }
 
     @Override
diff --git a/src/com/android/launcher3/GestureNavContract.java b/src/com/android/launcher3/GestureNavContract.java
index c782dca..9ef6edc 100644
--- a/src/com/android/launcher3/GestureNavContract.java
+++ b/src/com/android/launcher3/GestureNavContract.java
@@ -20,11 +20,9 @@
 
 import static com.android.launcher3.AbstractFloatingView.TYPE_ICON_SURFACE;
 
-import android.annotation.TargetApi;
 import android.content.ComponentName;
 import android.content.Intent;
 import android.graphics.RectF;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
@@ -69,7 +67,6 @@
     /**
      * Sends the position information to the receiver
      */
-    @TargetApi(Build.VERSION_CODES.R)
     public void sendEndPosition(RectF position, ActivityContext context,
             @Nullable SurfaceControl surfaceControl) {
         Bundle result = new Bundle();
@@ -95,9 +92,6 @@
      * Clears and returns the GestureNavContract if it was present in the intent.
      */
     public static GestureNavContract fromIntent(Intent intent) {
-        if (!Utilities.ATLEAST_R) {
-            return null;
-        }
         Bundle extras = intent.getBundleExtra(EXTRA_GESTURE_CONTRACT);
         if (extras == null) {
             return null;
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 6b97c2c..cd7c3bc 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -581,9 +581,7 @@
         mRotationHelper.initialize();
         TraceHelper.INSTANCE.endSection();
 
-        if (Utilities.ATLEAST_R) {
-            getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_ADJUST_NOTHING);
-        }
+        getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_ADJUST_NOTHING);
         setTitle(R.string.home_screen);
         mStartupLatencyLogger.logEnd(LAUNCHER_LATENCY_STARTUP_ACTIVITY_ON_CREATE);
 
diff --git a/src/com/android/launcher3/LauncherRootView.java b/src/com/android/launcher3/LauncherRootView.java
index 1592154..7176733 100644
--- a/src/com/android/launcher3/LauncherRootView.java
+++ b/src/com/android/launcher3/LauncherRootView.java
@@ -2,11 +2,9 @@
 
 import static com.android.launcher3.config.FeatureFlags.SEPARATE_RECENTS_ACTIVITY;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Rect;
-import android.os.Build;
 import android.util.AttributeSet;
 import android.view.ViewDebug;
 import android.view.WindowInsets;
@@ -112,15 +110,13 @@
         mSysUiScrim.setSize(r - l, b - t);
     }
 
-    @TargetApi(Build.VERSION_CODES.Q)
     public void setForceHideBackArrow(boolean forceHideBackArrow) {
         this.mForceHideBackArrow = forceHideBackArrow;
         setDisallowBackGesture(mDisallowBackGesture);
     }
 
-    @TargetApi(Build.VERSION_CODES.Q)
     public void setDisallowBackGesture(boolean disallowBackGesture) {
-        if (!Utilities.ATLEAST_Q || SEPARATE_RECENTS_ACTIVITY.get()) {
+        if (SEPARATE_RECENTS_ACTIVITY.get()) {
             return;
         }
         mDisallowBackGesture = disallowBackGesture;
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index e0f6101..2b886e4 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -121,15 +121,6 @@
     public static final String[] EMPTY_STRING_ARRAY = new String[0];
     public static final Person[] EMPTY_PERSON_ARRAY = new Person[0];
 
-    @ChecksSdkIntAtLeast(api = VERSION_CODES.P)
-    public static final boolean ATLEAST_P = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
-
-    @ChecksSdkIntAtLeast(api = VERSION_CODES.Q)
-    public static final boolean ATLEAST_Q = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q;
-
-    @ChecksSdkIntAtLeast(api = VERSION_CODES.R)
-    public static final boolean ATLEAST_R = Build.VERSION.SDK_INT >= Build.VERSION_CODES.R;
-
     @ChecksSdkIntAtLeast(api = VERSION_CODES.S)
     public static final boolean ATLEAST_S = Build.VERSION.SDK_INT >= Build.VERSION_CODES.S;
 
diff --git a/src/com/android/launcher3/allapps/LauncherAllAppsContainerView.java b/src/com/android/launcher3/allapps/LauncherAllAppsContainerView.java
index 5e48177..63a168e 100644
--- a/src/com/android/launcher3/allapps/LauncherAllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/LauncherAllAppsContainerView.java
@@ -21,7 +21,6 @@
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.statemanager.StateManager;
 
 /**
@@ -43,11 +42,7 @@
 
     @Override
     protected int computeNavBarScrimHeight(WindowInsets insets) {
-        if (Utilities.ATLEAST_Q) {
-            return insets.getTappableElementInsets().bottom;
-        } else {
-            return insets.getStableInsetBottom();
-        }
+        return insets.getTappableElementInsets().bottom;
     }
 
     @Override
diff --git a/src/com/android/launcher3/allapps/UserProfileManager.java b/src/com/android/launcher3/allapps/UserProfileManager.java
index 8894f45..6a1f37a 100644
--- a/src/com/android/launcher3/allapps/UserProfileManager.java
+++ b/src/com/android/launcher3/allapps/UserProfileManager.java
@@ -23,7 +23,6 @@
 
 import androidx.annotation.IntDef;
 
-import com.android.launcher3.Utilities;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.pm.UserCache;
@@ -70,16 +69,13 @@
 
     /** Sets quiet mode as enabled/disabled for the profile type. */
     protected void setQuietMode(boolean enabled) {
-        if (Utilities.ATLEAST_P) {
-            UI_HELPER_EXECUTOR.post(() -> {
+        UI_HELPER_EXECUTOR.post(() ->
                 mUserCache.getUserProfiles()
                         .stream()
                         .filter(getUserMatcher())
                         .findFirst()
                         .ifPresent(userHandle ->
-                                mUserManager.requestQuietModeEnabled(enabled, userHandle));
-            });
-        }
+                                mUserManager.requestQuietModeEnabled(enabled, userHandle)));
     }
 
     /** Sets current state for the profile type. */
diff --git a/src/com/android/launcher3/allapps/WorkModeSwitch.java b/src/com/android/launcher3/allapps/WorkModeSwitch.java
index 48400b2..eb7d429 100644
--- a/src/com/android/launcher3/allapps/WorkModeSwitch.java
+++ b/src/com/android/launcher3/allapps/WorkModeSwitch.java
@@ -83,11 +83,9 @@
         mIcon = findViewById(R.id.work_icon);
         mTextView = findViewById(R.id.pause_text);
         setSelected(true);
-        if (Utilities.ATLEAST_R) {
-            KeyboardInsetAnimationCallback keyboardInsetAnimationCallback =
-                    new KeyboardInsetAnimationCallback(this);
-            setWindowInsetsAnimationCallback(keyboardInsetAnimationCallback);
-        }
+        KeyboardInsetAnimationCallback keyboardInsetAnimationCallback =
+                new KeyboardInsetAnimationCallback(this);
+        setWindowInsetsAnimationCallback(keyboardInsetAnimationCallback);
 
         setInsets(mActivityContext.getDeviceProfile().getInsets());
         updateStringFromCache();
diff --git a/src/com/android/launcher3/allapps/WorkPausedCard.java b/src/com/android/launcher3/allapps/WorkPausedCard.java
index 1882667..e1eeabe 100644
--- a/src/com/android/launcher3/allapps/WorkPausedCard.java
+++ b/src/com/android/launcher3/allapps/WorkPausedCard.java
@@ -26,7 +26,6 @@
 import android.widget.TextView;
 
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.model.StringCache;
 import com.android.launcher3.views.ActivityContext;
 
@@ -80,11 +79,9 @@
 
     @Override
     public void onClick(View view) {
-        if (Utilities.ATLEAST_P) {
-            setEnabled(false);
-            mActivityContext.getAppsView().getWorkManager().setWorkProfileEnabled(true);
-            mActivityContext.getStatsLogManager().logger().log(LAUNCHER_TURN_ON_WORK_APPS_TAP);
-        }
+        setEnabled(false);
+        mActivityContext.getAppsView().getWorkManager().setWorkProfileEnabled(true);
+        mActivityContext.getStatsLogManager().logger().log(LAUNCHER_TURN_ON_WORK_APPS_TAP);
     }
 
     @Override
diff --git a/src/com/android/launcher3/allapps/WorkProfileManager.java b/src/com/android/launcher3/allapps/WorkProfileManager.java
index c430a36..a54e52c 100644
--- a/src/com/android/launcher3/allapps/WorkProfileManager.java
+++ b/src/com/android/launcher3/allapps/WorkProfileManager.java
@@ -199,8 +199,7 @@
     }
 
     private void onWorkFabClicked(View view) {
-        if (Utilities.ATLEAST_P && getCurrentState() == STATE_ENABLED
-                && mWorkModeSwitch.isEnabled()) {
+        if (getCurrentState() == STATE_ENABLED && mWorkModeSwitch.isEnabled()) {
             logEvents(LAUNCHER_TURN_OFF_WORK_APPS_TAP);
             setWorkProfileEnabled(false);
         }
diff --git a/src/com/android/launcher3/anim/PendingAnimation.java b/src/com/android/launcher3/anim/PendingAnimation.java
index fd731f4..586beb2 100644
--- a/src/com/android/launcher3/anim/PendingAnimation.java
+++ b/src/com/android/launcher3/anim/PendingAnimation.java
@@ -25,7 +25,6 @@
 import android.os.Trace;
 import android.util.FloatProperty;
 
-import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorPlaybackController.Holder;
 
 import java.util.ArrayList;
@@ -86,7 +85,7 @@
 
     /** If trace is enabled, add counter to trace animation progress. */
     public void logAnimationProgressToTrace(String counterName) {
-        if (Utilities.ATLEAST_Q && Trace.isEnabled()) {
+        if (Trace.isEnabled()) {
             super.addOnFrameListener(
                     animation -> Trace.setCounter(
                             counterName, (long) (animation.getAnimatedFraction() * 100)));
diff --git a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
index d37b1f0..5f786a4 100644
--- a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
+++ b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
@@ -110,9 +110,6 @@
     }
 
     public static int getRecommendedTimeoutMillis(Context context, int originalTimeout, int flags) {
-        if (Utilities.ATLEAST_Q) {
-            return getManager(context).getRecommendedTimeoutMillis(originalTimeout, flags);
-        }
-        return originalTimeout;
+        return getManager(context).getRecommendedTimeoutMillis(originalTimeout, flags);
     }
 }
diff --git a/src/com/android/launcher3/dragndrop/DragController.java b/src/com/android/launcher3/dragndrop/DragController.java
index aa5329b..3ccde0a 100644
--- a/src/com/android/launcher3/dragndrop/DragController.java
+++ b/src/com/android/launcher3/dragndrop/DragController.java
@@ -16,8 +16,6 @@
 
 package com.android.launcher3.dragndrop;
 
-import static com.android.launcher3.Utilities.ATLEAST_Q;
-
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
@@ -404,9 +402,7 @@
             mMotionDown.set(dragLayerPos.x,  dragLayerPos.y);
         }
 
-        if (ATLEAST_Q) {
-            mLastTouchClassification = ev.getClassification();
-        }
+        mLastTouchClassification = ev.getClassification();
         return mDragDriver != null && mDragDriver.onInterceptTouchEvent(ev);
     }
 
@@ -441,7 +437,7 @@
         mLastTouch.set(x, y);
 
         int distanceDragged = mDistanceSinceScroll;
-        if (ATLEAST_Q && mLastTouchClassification == MotionEvent.CLASSIFICATION_DEEP_PRESS) {
+        if (mLastTouchClassification == MotionEvent.CLASSIFICATION_DEEP_PRESS) {
             distanceDragged /= DEEP_PRESS_DISTANCE_FACTOR;
         }
         if (mIsInPreDrag && mOptions.preDragCondition != null
diff --git a/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java b/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java
index 6f295e6..6a43b24 100644
--- a/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java
+++ b/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java
@@ -37,7 +37,6 @@
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 
-import com.android.launcher3.Utilities;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.folder.PreviewBackground;
 import com.android.launcher3.icons.BitmapRenderer;
@@ -74,13 +73,9 @@
         return mBadge;
     }
 
-    @TargetApi(Build.VERSION_CODES.P)
     public static @Nullable FolderAdaptiveIcon createFolderAdaptiveIcon(
             ActivityContext activity, int folderId, Point size) {
         Preconditions.assertNonUiThread();
-        if (!Utilities.ATLEAST_P) {
-            return null;
-        }
 
         // assume square
         if (size.x != size.y) {
diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index 084f829..7ae70e0 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/src/com/android/launcher3/folder/Folder.java
@@ -297,10 +297,8 @@
         mFooter = findViewById(R.id.folder_footer);
         mFooterHeight = dp.folderFooterHeightPx;
 
-        if (Utilities.ATLEAST_R) {
-            mKeyboardInsetAnimationCallback = new KeyboardInsetAnimationCallback(this);
-            setWindowInsetsAnimationCallback(mKeyboardInsetAnimationCallback);
-        }
+        mKeyboardInsetAnimationCallback = new KeyboardInsetAnimationCallback(this);
+        setWindowInsetsAnimationCallback(mKeyboardInsetAnimationCallback);
     }
 
     public boolean onLongClick(View v) {
@@ -422,18 +420,16 @@
 
     @Override
     public WindowInsets onApplyWindowInsets(WindowInsets windowInsets) {
-        if (Utilities.ATLEAST_R) {
-            this.setTranslationY(0);
+        this.setTranslationY(0);
 
-            if (windowInsets.isVisible(WindowInsets.Type.ime())) {
-                Insets keyboardInsets = windowInsets.getInsets(WindowInsets.Type.ime());
-                int folderHeightFromBottom = getHeightFromBottom();
+        if (windowInsets.isVisible(WindowInsets.Type.ime())) {
+            Insets keyboardInsets = windowInsets.getInsets(WindowInsets.Type.ime());
+            int folderHeightFromBottom = getHeightFromBottom();
 
-                if (keyboardInsets.bottom > folderHeightFromBottom) {
-                    // Translate this folder above the keyboard, then add the folder name's padding
-                    this.setTranslationY(folderHeightFromBottom - keyboardInsets.bottom
-                            - mFolderName.getPaddingBottom());
-                }
+            if (keyboardInsets.bottom > folderHeightFromBottom) {
+                // Translate this folder above the keyboard, then add the folder name's padding
+                this.setTranslationY(folderHeightFromBottom - keyboardInsets.bottom
+                        - mFolderName.getPaddingBottom());
             }
         }
 
@@ -812,15 +808,13 @@
         a.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
-                if (Utilities.ATLEAST_R) {
-                    setWindowInsetsAnimationCallback(null);
-                }
+                setWindowInsetsAnimationCallback(null);
                 mIsAnimatingClosed = true;
             }
 
             @Override
             public void onAnimationEnd(Animator animation) {
-                if (Utilities.ATLEAST_R && mKeyboardInsetAnimationCallback != null) {
+                if (mKeyboardInsetAnimationCallback != null) {
                     setWindowInsetsAnimationCallback(mKeyboardInsetAnimationCallback);
                 }
                 closeComplete(true);
diff --git a/src/com/android/launcher3/graphics/GridCustomizationsProvider.java b/src/com/android/launcher3/graphics/GridCustomizationsProvider.java
index 18200f6..dc8694d 100644
--- a/src/com/android/launcher3/graphics/GridCustomizationsProvider.java
+++ b/src/com/android/launcher3/graphics/GridCustomizationsProvider.java
@@ -19,7 +19,6 @@
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.launcher3.util.Themes.isThemedIconEnabled;
 
-import android.annotation.TargetApi;
 import android.content.ContentProvider;
 import android.content.ContentValues;
 import android.content.pm.PackageManager;
@@ -27,7 +26,6 @@
 import android.database.MatrixCursor;
 import android.net.Uri;
 import android.os.Binder;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
@@ -41,7 +39,6 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile.GridOption;
 import com.android.launcher3.LauncherPrefs;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.util.Executors;
 
 /**
@@ -184,13 +181,12 @@
             return null;
         }
 
-        if (!Utilities.ATLEAST_R || !METHOD_GET_PREVIEW.equals(method)) {
+        if (!METHOD_GET_PREVIEW.equals(method)) {
             return null;
         }
         return getPreview(extras);
     }
 
-    @TargetApi(Build.VERSION_CODES.R)
     private synchronized Bundle getPreview(Bundle request) {
         PreviewLifecycleObserver observer = null;
         try {
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index 7dcc8a8..e0a6627 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -26,7 +26,6 @@
 import static com.android.launcher3.model.ModelUtils.filterCurrentWorkspaceItems;
 import static com.android.launcher3.model.ModelUtils.getMissingHotseatRanks;
 
-import android.annotation.TargetApi;
 import android.app.Fragment;
 import android.app.WallpaperColors;
 import android.app.WallpaperManager;
@@ -39,7 +38,6 @@
 import android.content.res.TypedArray;
 import android.graphics.PointF;
 import android.graphics.Rect;
-import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.AttributeSet;
@@ -121,7 +119,6 @@
  *   3) Place appropriate elements like icons and first-page qsb
  *   4) Measure and draw the view on a canvas
  */
-@TargetApi(Build.VERSION_CODES.R)
 public class LauncherPreviewRenderer extends ContextWrapper
         implements ActivityContext, WorkspaceLayoutManager, LayoutInflater.Factory2 {
 
diff --git a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
index ec6b94d..051fb6f 100644
--- a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
+++ b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
@@ -49,7 +49,6 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.graphics.LauncherPreviewRenderer.PreviewContext;
 import com.android.launcher3.model.BgDataModel;
@@ -211,10 +210,7 @@
             return new ContextThemeWrapper(context,
                     Themes.getActivityThemeRes(context));
         }
-        if (Utilities.ATLEAST_R) {
-            context = context.createWindowContext(
-                    LayoutParams.TYPE_APPLICATION_OVERLAY, null);
-        }
+        context = context.createWindowContext(LayoutParams.TYPE_APPLICATION_OVERLAY, null);
         LocalColorExtractor.newInstance(context)
                 .applyColorsOverride(context, mWallpaperColors);
         return new ContextThemeWrapper(context,
diff --git a/src/com/android/launcher3/model/ModelDbController.java b/src/com/android/launcher3/model/ModelDbController.java
index 6c64713..ba2b64d 100644
--- a/src/com/android/launcher3/model/ModelDbController.java
+++ b/src/com/android/launcher3/model/ModelDbController.java
@@ -458,7 +458,7 @@
             LauncherWidgetHolder widgetHolder) {
         ContentResolver cr = mContext.getContentResolver();
         String blobHandlerDigest = Settings.Secure.getString(cr, LAYOUT_DIGEST_KEY);
-        if (Utilities.ATLEAST_R && !TextUtils.isEmpty(blobHandlerDigest)) {
+        if (!TextUtils.isEmpty(blobHandlerDigest)) {
             BlobStoreManager blobManager = mContext.getSystemService(BlobStoreManager.class);
             try (InputStream in = new ParcelFileDescriptor.AutoCloseInputStream(
                     blobManager.openBlob(BlobHandle.createWithSha256(
diff --git a/src/com/android/launcher3/model/data/WorkspaceItemInfo.java b/src/com/android/launcher3/model/data/WorkspaceItemInfo.java
index c67ec5a..965f261 100644
--- a/src/com/android/launcher3/model/data/WorkspaceItemInfo.java
+++ b/src/com/android/launcher3/model/data/WorkspaceItemInfo.java
@@ -182,8 +182,7 @@
             runtimeStatusFlags |= FLAG_DISABLED_BY_PUBLISHER;
         }
         disabledMessage = shortcutInfo.getDisabledMessage();
-        if (Utilities.ATLEAST_P
-                && shortcutInfo.getDisabledReason() == ShortcutInfo.DISABLED_REASON_VERSION_LOWER) {
+        if (shortcutInfo.getDisabledReason() == ShortcutInfo.DISABLED_REASON_VERSION_LOWER) {
             runtimeStatusFlags |= FLAG_DISABLED_VERSION_LOWER;
         } else {
             runtimeStatusFlags &= ~FLAG_DISABLED_VERSION_LOWER;
diff --git a/src/com/android/launcher3/pm/InstallSessionHelper.java b/src/com/android/launcher3/pm/InstallSessionHelper.java
index ca27eb2..0d47462 100644
--- a/src/com/android/launcher3/pm/InstallSessionHelper.java
+++ b/src/com/android/launcher3/pm/InstallSessionHelper.java
@@ -24,7 +24,6 @@
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageInstaller.SessionInfo;
 import android.content.pm.PackageManager;
-import android.os.Process;
 import android.os.UserHandle;
 import android.text.TextUtils;
 
@@ -34,7 +33,6 @@
 
 import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.SessionCommitReceiver;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.model.ItemInstallQueue;
 import com.android.launcher3.util.IntArray;
@@ -132,7 +130,7 @@
     public SessionInfo getActiveSessionInfo(UserHandle user, String pkg) {
         for (SessionInfo info : getAllVerifiedSessions()) {
             boolean match = pkg.equals(info.getAppPackageName());
-            if (Utilities.ATLEAST_Q && !user.equals(getUserHandle(info))) {
+            if (!user.equals(getUserHandle(info))) {
                 match = false;
             }
             if (match) {
@@ -180,9 +178,8 @@
 
     @NonNull
     public List<SessionInfo> getAllVerifiedSessions() {
-        List<SessionInfo> list = new ArrayList<>(Utilities.ATLEAST_Q
-                ? Objects.requireNonNull(mLauncherApps).getAllPackageInstallerSessions()
-                : mInstaller.getAllSessions());
+        List<SessionInfo> list = new ArrayList<>(
+                Objects.requireNonNull(mLauncherApps).getAllPackageInstallerSessions());
         Iterator<SessionInfo> it = list.iterator();
         while (it.hasNext()) {
             if (verify(it.next()) == null) {
@@ -252,6 +249,6 @@
     }
 
     public static UserHandle getUserHandle(@NonNull final SessionInfo info) {
-        return Utilities.ATLEAST_Q ? info.getUser() : Process.myUserHandle();
+        return info.getUser();
     }
 }
diff --git a/src/com/android/launcher3/popup/PopupContainerWithArrow.java b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
index 934d43b..c9c5fd3 100644
--- a/src/com/android/launcher3/popup/PopupContainerWithArrow.java
+++ b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
@@ -17,7 +17,6 @@
 package com.android.launcher3.popup;
 
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_SHORTCUTS;
-import static com.android.launcher3.Utilities.ATLEAST_P;
 import static com.android.launcher3.Utilities.squaredHypot;
 import static com.android.launcher3.Utilities.squaredTouchSlop;
 import static com.android.launcher3.popup.PopupPopulator.MAX_SHORTCUTS;
@@ -248,10 +247,7 @@
      * Animates and loads shortcuts on background thread for this popup container
      */
     private void loadAppShortcuts(ItemInfo originalItemInfo) {
-
-        if (ATLEAST_P) {
-            setAccessibilityPaneTitle(getTitleForAccessibility());
-        }
+        setAccessibilityPaneTitle(getTitleForAccessibility());
         mOriginalIcon.setForceHideDot(true);
         // All views are added. Animate layout from now on.
         setLayoutTransition(new LayoutTransition());
diff --git a/src/com/android/launcher3/popup/RemoteActionShortcut.java b/src/com/android/launcher3/popup/RemoteActionShortcut.java
index 8df58d2..688da49 100644
--- a/src/com/android/launcher3/popup/RemoteActionShortcut.java
+++ b/src/com/android/launcher3/popup/RemoteActionShortcut.java
@@ -20,13 +20,11 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SYSTEM_SHORTCUT_PAUSE_TAP;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
-import android.annotation.TargetApi;
 import android.app.ActivityOptions;
 import android.app.PendingIntent;
 import android.app.RemoteAction;
 import android.content.Context;
 import android.content.Intent;
-import android.os.Build;
 import android.util.Log;
 import android.view.View;
 import android.view.accessibility.AccessibilityNodeInfo;
@@ -42,7 +40,6 @@
 
 import java.lang.ref.WeakReference;
 
-@TargetApi(Build.VERSION_CODES.Q)
 public class RemoteActionShortcut extends SystemShortcut<BaseDraggingActivity> {
     private static final String TAG = "RemoteActionShortcut";
     private static final boolean DEBUG = Utilities.IS_DEBUG_DEVICE;
diff --git a/src/com/android/launcher3/provider/RestoreDbTask.java b/src/com/android/launcher3/provider/RestoreDbTask.java
index 1c53855..22bc13b 100644
--- a/src/com/android/launcher3/provider/RestoreDbTask.java
+++ b/src/com/android/launcher3/provider/RestoreDbTask.java
@@ -326,9 +326,6 @@
      */
     private UserHandle getUserForAncestralSerialNumber(BackupManager backupManager,
             long ancestralSerialNumber) {
-        if (!Utilities.ATLEAST_Q) {
-            return null;
-        }
         return backupManager.getUserForAncestralSerialNumber(ancestralSerialNumber);
     }
 
diff --git a/src/com/android/launcher3/settings/SettingsActivity.java b/src/com/android/launcher3/settings/SettingsActivity.java
index 8cb15a5..a5f9c2a 100644
--- a/src/com/android/launcher3/settings/SettingsActivity.java
+++ b/src/com/android/launcher3/settings/SettingsActivity.java
@@ -52,7 +52,6 @@
 import com.android.launcher3.BuildConfig;
 import com.android.launcher3.LauncherFiles;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.states.RotationHelper;
 import com.android.launcher3.uioverrides.flags.DeveloperOptionsUI;
@@ -120,7 +119,7 @@
     }
 
     private boolean startPreference(String fragment, Bundle args, String key) {
-        if (Utilities.ATLEAST_P && getSupportFragmentManager().isStateSaved()) {
+        if (getSupportFragmentManager().isStateSaved()) {
             // Sometimes onClick can come after onPause because of being posted on the handler.
             // Skip starting new preferences in that case.
             return false;
diff --git a/src/com/android/launcher3/testing/TestInformationHandler.java b/src/com/android/launcher3/testing/TestInformationHandler.java
index ccff095..315b5e3 100644
--- a/src/com/android/launcher3/testing/TestInformationHandler.java
+++ b/src/com/android/launcher3/testing/TestInformationHandler.java
@@ -15,19 +15,17 @@
  */
 package com.android.launcher3.testing;
 
-import static com.android.launcher3.allapps.AllAppsStore.DEFER_UPDATES_TEST;
 import static com.android.launcher3.Flags.enableGridOnlyOverview;
+import static com.android.launcher3.allapps.AllAppsStore.DEFER_UPDATES_TEST;
 import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
-import android.annotation.TargetApi;
 import android.app.Activity;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Insets;
 import android.graphics.Point;
 import android.graphics.Rect;
-import android.os.Build;
 import android.os.Bundle;
 import android.view.WindowInsets;
 
@@ -60,7 +58,6 @@
 /**
  * Class to handle requests from tests
  */
-@TargetApi(Build.VERSION_CODES.Q)
 public class TestInformationHandler implements ResourceBasedOverride {
 
     public static TestInformationHandler newInstance(Context context) {
diff --git a/src/com/android/launcher3/touch/ItemClickHandler.java b/src/com/android/launcher3/touch/ItemClickHandler.java
index ff8b381..237b1c4 100644
--- a/src/com/android/launcher3/touch/ItemClickHandler.java
+++ b/src/com/android/launcher3/touch/ItemClickHandler.java
@@ -189,16 +189,12 @@
             boolean downloadStarted) {
         ItemInfo item = (ItemInfo) v.getTag();
         CompletableFuture<SessionInfo> siFuture;
-        if (Utilities.ATLEAST_Q) {
-            siFuture = CompletableFuture.supplyAsync(() ->
-                    InstallSessionHelper.INSTANCE.get(launcher)
-                            .getActiveSessionInfo(item.user, packageName),
-                    UI_HELPER_EXECUTOR);
-        } else {
-            siFuture = CompletableFuture.completedFuture(null);
-        }
+        siFuture = CompletableFuture.supplyAsync(() ->
+                        InstallSessionHelper.INSTANCE.get(launcher)
+                                .getActiveSessionInfo(item.user, packageName),
+                UI_HELPER_EXECUTOR);
         Consumer<SessionInfo> marketLaunchAction = sessionInfo -> {
-            if (sessionInfo != null && Utilities.ATLEAST_Q) {
+            if (sessionInfo != null) {
                 LauncherApps launcherApps = launcher.getSystemService(LauncherApps.class);
                 try {
                     launcherApps.startPackageInstallerSessionDetailsActivity(sessionInfo, null,
diff --git a/src/com/android/launcher3/util/IOUtils.java b/src/com/android/launcher3/util/IOUtils.java
index 1cec0ec..296efe9 100644
--- a/src/com/android/launcher3/util/IOUtils.java
+++ b/src/com/android/launcher3/util/IOUtils.java
@@ -19,7 +19,6 @@
 import android.os.FileUtils;
 import android.util.Log;
 
-import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 
 import java.io.ByteArrayOutputStream;
@@ -51,17 +50,7 @@
     }
 
     public static long copy(InputStream from, OutputStream to) throws IOException {
-        if (Utilities.ATLEAST_Q) {
-            return FileUtils.copy(from, to);
-        }
-        byte[] buf = new byte[BUF_SIZE];
-        long total = 0;
-        int r;
-        while ((r = from.read(buf)) != -1) {
-            to.write(buf, 0, r);
-            total += r;
-        }
-        return total;
+        return FileUtils.copy(from, to);
     }
 
     public static void closeSilently(Closeable c) {
diff --git a/src/com/android/launcher3/util/TraceHelper.java b/src/com/android/launcher3/util/TraceHelper.java
index 138cc4a..edcd3f6 100644
--- a/src/com/android/launcher3/util/TraceHelper.java
+++ b/src/com/android/launcher3/util/TraceHelper.java
@@ -20,12 +20,10 @@
 
 import androidx.annotation.MainThread;
 
-import com.android.launcher3.Utilities;
+import kotlin.random.Random;
 
 import java.util.function.Supplier;
 
-import kotlin.random.Random;
-
 /**
  * A wrapper around {@link Trace} to allow better testing.
  *
@@ -67,9 +65,6 @@
     @SuppressWarnings("NewApi")
     @SuppressLint("NewApi")
     public SafeCloseable beginAsyncSection(String sectionName) {
-        if (!Utilities.ATLEAST_Q) {
-            return () -> { };
-        }
         int cookie = Random.Default.nextInt();
         Trace.beginAsyncSection(sectionName, cookie);
         return () -> Trace.endAsyncSection(sectionName, cookie);
@@ -81,9 +76,6 @@
     @SuppressWarnings("NewApi")
     @SuppressLint("NewApi")
     public SafeCloseable allowIpcs(String rpcName) {
-        if (!Utilities.ATLEAST_Q) {
-            return () -> { };
-        }
         int cookie = Random.Default.nextInt();
         Trace.beginAsyncSection(rpcName, cookie);
         return () -> Trace.endAsyncSection(rpcName, cookie);
diff --git a/src/com/android/launcher3/util/VibratorWrapper.java b/src/com/android/launcher3/util/VibratorWrapper.java
index 4f20bbc..fef1c72 100644
--- a/src/com/android/launcher3/util/VibratorWrapper.java
+++ b/src/com/android/launcher3/util/VibratorWrapper.java
@@ -28,12 +28,10 @@
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
 import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.database.ContentObserver;
 import android.media.AudioAttributes;
-import android.os.Build;
 import android.os.SystemClock;
 import android.os.VibrationEffect;
 import android.os.Vibrator;
@@ -48,7 +46,6 @@
 /**
  * Wrapper around {@link Vibrator} to easily perform haptic feedback where necessary.
  */
-@TargetApi(Build.VERSION_CODES.Q)
 public class VibratorWrapper {
 
     public static final MainThreadInitializedObject<VibratorWrapper> INSTANCE =
@@ -138,7 +135,7 @@
             mThresholdUntilNextDragCallMillis = 0;
         }
 
-        if (Utilities.ATLEAST_R && mVibrator.areAllPrimitivesSupported(
+        if (mVibrator.areAllPrimitivesSupported(
                 VibrationEffect.Composition.PRIMITIVE_QUICK_RISE,
                 VibrationEffect.Composition.PRIMITIVE_TICK)) {
             if (FeatureFlags.ENABLE_SEARCH_HAPTIC_HINT.get()) {
@@ -226,8 +223,7 @@
     public void vibrate(int primitiveId, float primitiveScale, VibrationEffect fallbackEffect) {
         if (mHasVibrator && mIsHapticFeedbackEnabled) {
             UI_HELPER_EXECUTOR.execute(() -> {
-                if (Utilities.ATLEAST_R && primitiveId >= 0
-                        && mVibrator.areAllPrimitivesSupported(primitiveId)) {
+                if (primitiveId >= 0 && mVibrator.areAllPrimitivesSupported(primitiveId)) {
                     mVibrator.vibrate(VibrationEffect.startComposition()
                             .addPrimitive(primitiveId, primitiveScale)
                             .compose(), VIBRATION_ATTRS);
diff --git a/src/com/android/launcher3/util/window/WindowManagerProxy.java b/src/com/android/launcher3/util/window/WindowManagerProxy.java
index 51a96c4..209a3dc 100644
--- a/src/com/android/launcher3/util/window/WindowManagerProxy.java
+++ b/src/com/android/launcher3/util/window/WindowManagerProxy.java
@@ -105,24 +105,7 @@
     /**
      * Returns the real bounds for the provided display after applying any insets normalization
      */
-    @TargetApi(Build.VERSION_CODES.R)
     public WindowBounds getRealBounds(Context displayInfoContext, CachedDisplayInfo info) {
-        if (!Utilities.ATLEAST_R) {
-            Point smallestSize = new Point();
-            Point largestSize = new Point();
-            getDisplay(displayInfoContext).getCurrentSizeRange(smallestSize, largestSize);
-
-            if (info.size.y > info.size.x) {
-                // Portrait
-                return new WindowBounds(info.size.x, info.size.y, smallestSize.x, largestSize.y,
-                        info.rotation);
-            } else {
-                // Landscape
-                return new WindowBounds(info.size.x, info.size.y, largestSize.x, smallestSize.y,
-                        info.rotation);
-            }
-        }
-
         WindowMetrics windowMetrics = displayInfoContext.getSystemService(WindowManager.class)
                 .getMaximumWindowMetrics();
         Rect insets = new Rect();
@@ -133,10 +116,9 @@
     /**
      * Returns an updated insets, accounting for various Launcher UI specific overrides like taskbar
      */
-    @TargetApi(Build.VERSION_CODES.R)
     public WindowInsets normalizeWindowInsets(Context context, WindowInsets oldInsets,
             Rect outInsets) {
-        if (!Utilities.ATLEAST_R || !mTaskbarDrawnInProcess) {
+        if (!mTaskbarDrawnInProcess) {
             outInsets.set(oldInsets.getSystemWindowInsetLeft(), oldInsets.getSystemWindowInsetTop(),
                     oldInsets.getSystemWindowInsetRight(), oldInsets.getSystemWindowInsetBottom());
             return oldInsets;
@@ -220,8 +202,7 @@
         }
 
         boolean isTablet = swDp >= MIN_TABLET_WIDTH;
-        boolean isTabletOrGesture = isTablet
-                || (Utilities.ATLEAST_R && isGestureNav(context));
+        boolean isTabletOrGesture = isTablet || isGestureNav(context);
 
         // Use the status bar height resources because current system API to get the status bar
         // height doesn't allow to do this for an arbitrary display, it returns value only
@@ -360,17 +341,14 @@
     }
 
     /**
-     *
      * Returns the display associated with the context, or DEFAULT_DISPLAY if the context isn't
      * associated with a display.
      */
     protected Display getDisplay(Context displayInfoContext) {
-        if (Utilities.ATLEAST_R) {
-            try {
-                return displayInfoContext.getDisplay();
-            } catch (UnsupportedOperationException e) {
-                // Ignore
-            }
+        try {
+            return displayInfoContext.getDisplay();
+        } catch (UnsupportedOperationException e) {
+            // Ignore
         }
         return displayInfoContext.getSystemService(DisplayManager.class).getDisplay(
                 DEFAULT_DISPLAY);
diff --git a/src/com/android/launcher3/views/ActivityContext.java b/src/com/android/launcher3/views/ActivityContext.java
index bf46bb0..72e5342 100644
--- a/src/com/android/launcher3/views/ActivityContext.java
+++ b/src/com/android/launcher3/views/ActivityContext.java
@@ -265,29 +265,26 @@
         if (root == null) {
             return;
         }
-        if (Utilities.ATLEAST_R) {
-            Preconditions.assertUIThread();
-            //  Hide keyboard with WindowInsetsController if could. In case
-            //  hideSoftInputFromWindow may get ignored by input connection being finished
-            //  when the screen is off.
-            //
-            // In addition, inside IMF, the keyboards are closed asynchronously that launcher no
-            // longer need to post to the message queue.
-            final WindowInsetsController wic = root.getWindowInsetsController();
-            WindowInsets insets = root.getRootWindowInsets();
-            boolean isImeShown = insets != null && insets.isVisible(WindowInsets.Type.ime());
-            if (wic != null) {
-                // Only hide the keyboard if it is actually showing.
-                if (isImeShown) {
-                    // this method cannot be called cross threads
-                    wic.hide(WindowInsets.Type.ime());
-                    getStatsLogManager().logger().log(LAUNCHER_ALLAPPS_KEYBOARD_CLOSED);
-                }
-
-                // If the WindowInsetsController is not null, we end here regardless of whether we
-                // hid the keyboard or not.
-                return;
+        Preconditions.assertUIThread();
+        // Hide keyboard with WindowInsetsController if could. In case hideSoftInputFromWindow may
+        // get ignored by input connection being finished when the screen is off.
+        //
+        // In addition, inside IMF, the keyboards are closed asynchronously that launcher no longer
+        // need to post to the message queue.
+        final WindowInsetsController wic = root.getWindowInsetsController();
+        WindowInsets insets = root.getRootWindowInsets();
+        boolean isImeShown = insets != null && insets.isVisible(WindowInsets.Type.ime());
+        if (wic != null) {
+            // Only hide the keyboard if it is actually showing.
+            if (isImeShown) {
+                // this method cannot be called cross threads
+                wic.hide(WindowInsets.Type.ime());
+                getStatsLogManager().logger().log(LAUNCHER_ALLAPPS_KEYBOARD_CLOSED);
             }
+
+            // If the WindowInsetsController is not null, we end here regardless of whether we hid
+            // the keyboard or not.
+            return;
         }
 
         InputMethodManager imm = root.getContext().getSystemService(InputMethodManager.class);
diff --git a/src/com/android/launcher3/views/BaseDragLayer.java b/src/com/android/launcher3/views/BaseDragLayer.java
index a1cd697..abc5ef8 100644
--- a/src/com/android/launcher3/views/BaseDragLayer.java
+++ b/src/com/android/launcher3/views/BaseDragLayer.java
@@ -551,25 +551,21 @@
 
     @Override
     public WindowInsets dispatchApplyWindowInsets(WindowInsets insets) {
-        if (Utilities.ATLEAST_Q) {
-            Insets gestureInsets = insets.getMandatorySystemGestureInsets();
-            int gestureInsetBottom = gestureInsets.bottom;
-            Insets imeInset = Utilities.ATLEAST_R
-                    ? insets.getInsets(WindowInsets.Type.ime())
-                    : Insets.NONE;
-            DeviceProfile dp = mActivity.getDeviceProfile();
-            if (dp.isTaskbarPresent) {
-                // Ignore taskbar gesture insets to avoid interfering with TouchControllers.
-                gestureInsetBottom = ResourceUtils.getNavbarSize(
-                        ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, getResources());
-            }
-            mSystemGestureRegion.set(
-                    Math.max(gestureInsets.left, imeInset.left),
-                    Math.max(gestureInsets.top, imeInset.top),
-                    Math.max(gestureInsets.right, imeInset.right),
-                    Math.max(gestureInsetBottom, imeInset.bottom)
-            );
+        Insets gestureInsets = insets.getMandatorySystemGestureInsets();
+        int gestureInsetBottom = gestureInsets.bottom;
+        Insets imeInset = insets.getInsets(WindowInsets.Type.ime());
+        DeviceProfile dp = mActivity.getDeviceProfile();
+        if (dp.isTaskbarPresent) {
+            // Ignore taskbar gesture insets to avoid interfering with TouchControllers.
+            gestureInsetBottom = ResourceUtils.getNavbarSize(
+                    ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, getResources());
         }
+        mSystemGestureRegion.set(
+                Math.max(gestureInsets.left, imeInset.left),
+                Math.max(gestureInsets.top, imeInset.top),
+                Math.max(gestureInsets.right, imeInset.right),
+                Math.max(gestureInsetBottom, imeInset.bottom)
+        );
         return super.dispatchApplyWindowInsets(insets);
     }
 }
diff --git a/src/com/android/launcher3/views/ClipIconView.java b/src/com/android/launcher3/views/ClipIconView.java
index 7737adb..5d3fa9b 100644
--- a/src/com/android/launcher3/views/ClipIconView.java
+++ b/src/com/android/launcher3/views/ClipIconView.java
@@ -25,7 +25,6 @@
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Color;
@@ -36,7 +35,6 @@
 import android.graphics.drawable.AdaptiveIconDrawable;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.os.Build;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup.MarginLayoutParams;
@@ -55,7 +53,6 @@
  * Supports springing just the foreground layer.
  * Supports clipping the icon to/from its icon shape.
  */
-@TargetApi(Build.VERSION_CODES.Q)
 public class ClipIconView extends View implements ClipPathView {
 
     private static final Rect sTmpRect = new Rect();
diff --git a/src/com/android/launcher3/views/FloatingIconView.java b/src/com/android/launcher3/views/FloatingIconView.java
index 32c70a3..f76b53b 100644
--- a/src/com/android/launcher3/views/FloatingIconView.java
+++ b/src/com/android/launcher3/views/FloatingIconView.java
@@ -24,14 +24,12 @@
 import static com.android.launcher3.views.IconLabelDotView.setIconAndDotVisible;
 
 import android.animation.Animator;
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.graphics.drawable.AdaptiveIconDrawable;
 import android.graphics.drawable.Drawable;
-import android.os.Build;
 import android.os.CancellationSignal;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -67,7 +65,6 @@
 /**
  * A view that is created to look like another view with the purpose of creating fluid animations.
  */
-@TargetApi(Build.VERSION_CODES.Q)
 public class FloatingIconView extends FrameLayout implements
         Animator.AnimatorListener, OnGlobalLayoutListener, FloatingView {
 
diff --git a/src/com/android/launcher3/views/FloatingSurfaceView.java b/src/com/android/launcher3/views/FloatingSurfaceView.java
index bfb75f0..76b6fde 100644
--- a/src/com/android/launcher3/views/FloatingSurfaceView.java
+++ b/src/com/android/launcher3/views/FloatingSurfaceView.java
@@ -18,14 +18,12 @@
 import static com.android.launcher3.views.FloatingIconView.getLocationBoundsForView;
 import static com.android.launcher3.views.IconLabelDotView.setIconAndDotVisible;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Picture;
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.graphics.RectF;
-import android.os.Build;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.SurfaceHolder;
@@ -47,7 +45,6 @@
  * Similar to {@link FloatingIconView} but displays a surface with the targetIcon. It then passes
  * the surfaceHandle to the {@link GestureNavContract}.
  */
-@TargetApi(Build.VERSION_CODES.R)
 public class FloatingSurfaceView extends AbstractFloatingView implements
         OnGlobalLayoutListener, Insettable, SurfaceHolder.Callback2 {
 
diff --git a/src/com/android/launcher3/views/RecyclerViewFastScroller.java b/src/com/android/launcher3/views/RecyclerViewFastScroller.java
index c0b24fa..8408cc7 100644
--- a/src/com/android/launcher3/views/RecyclerViewFastScroller.java
+++ b/src/com/android/launcher3/views/RecyclerViewFastScroller.java
@@ -30,7 +30,6 @@
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.RectF;
-import android.os.Build;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.Property;
@@ -40,7 +39,6 @@
 import android.view.WindowInsets;
 import android.widget.TextView;
 
-import androidx.annotation.RequiresApi;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.android.launcher3.FastScrollRecyclerView;
@@ -352,26 +350,21 @@
         float r = getScrollThumbRadius();
         mThumbBounds.set(-halfW, 0, halfW, mThumbHeight);
         canvas.drawRoundRect(mThumbBounds, r, r, mThumbPaint);
-        if (Utilities.ATLEAST_Q) {
-            mThumbBounds.roundOut(SYSTEM_GESTURE_EXCLUSION_RECT.get(0));
-            // swiping very close to the thumb area (not just within it's bound)
-            // will also prevent back gesture
-            SYSTEM_GESTURE_EXCLUSION_RECT.get(0).offset(mThumbDrawOffset.x, mThumbDrawOffset.y);
-            if (Utilities.ATLEAST_Q && mSystemGestureInsets != null) {
-                SYSTEM_GESTURE_EXCLUSION_RECT.get(0).left =
-                        SYSTEM_GESTURE_EXCLUSION_RECT.get(0).right - mSystemGestureInsets.right;
-            }
-            setSystemGestureExclusionRects(SYSTEM_GESTURE_EXCLUSION_RECT);
+        mThumbBounds.roundOut(SYSTEM_GESTURE_EXCLUSION_RECT.get(0));
+        // swiping very close to the thumb area (not just within it's bound)
+        // will also prevent back gesture
+        SYSTEM_GESTURE_EXCLUSION_RECT.get(0).offset(mThumbDrawOffset.x, mThumbDrawOffset.y);
+        if (mSystemGestureInsets != null) {
+            SYSTEM_GESTURE_EXCLUSION_RECT.get(0).left =
+                    SYSTEM_GESTURE_EXCLUSION_RECT.get(0).right - mSystemGestureInsets.right;
         }
+        setSystemGestureExclusionRects(SYSTEM_GESTURE_EXCLUSION_RECT);
         canvas.restoreToCount(saveCount);
     }
 
     @Override
-    @RequiresApi(Build.VERSION_CODES.Q)
     public WindowInsets onApplyWindowInsets(WindowInsets insets) {
-        if (Utilities.ATLEAST_Q) {
-            mSystemGestureInsets = insets.getSystemGestureInsets();
-        }
+        mSystemGestureInsets = insets.getSystemGestureInsets();
         return super.onApplyWindowInsets(insets);
     }
 
diff --git a/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java b/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java
index 80b1cdd..4f5d311 100644
--- a/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java
+++ b/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java
@@ -16,8 +16,6 @@
 
 package com.android.launcher3.widget;
 
-import static com.android.launcher3.Utilities.ATLEAST_R;
-
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.graphics.Insets;
@@ -153,17 +151,10 @@
     @SuppressLint("NewApi") // Already added API check.
     @Override
     public WindowInsets onApplyWindowInsets(View view, WindowInsets windowInsets) {
-        if (ATLEAST_R) {
-            Insets insets = windowInsets.getInsets(WindowInsets.Type.systemBars());
-            mInsets.set(insets.left, insets.top, insets.right, insets.bottom);
-        } else {
-            mInsets.set(windowInsets.getSystemWindowInsetLeft(),
-                    windowInsets.getSystemWindowInsetTop(),
-                    windowInsets.getSystemWindowInsetRight(),
-                    windowInsets.getSystemWindowInsetBottom());
-        }
-        mContent.setPadding(mContent.getPaddingStart(),
-                mContent.getPaddingTop(), mContent.getPaddingEnd(), mInsets.bottom);
+        Insets insets = windowInsets.getInsets(WindowInsets.Type.systemBars());
+        mInsets.set(insets.left, insets.top, insets.right, insets.bottom);
+        mContent.setPadding(mContent.getPaddingStart(), mContent.getPaddingTop(),
+                mContent.getPaddingEnd(), mInsets.bottom);
 
         int contentHorizontalMarginInPx = getResources().getDimensionPixelSize(
                 R.dimen.widget_list_horizontal_margin);
diff --git a/src/com/android/launcher3/widget/BaseWidgetSheet.java b/src/com/android/launcher3/widget/BaseWidgetSheet.java
index 5171fa2..9de7f62 100644
--- a/src/com/android/launcher3/widget/BaseWidgetSheet.java
+++ b/src/com/android/launcher3/widget/BaseWidgetSheet.java
@@ -158,10 +158,8 @@
     private int getNavBarScrimHeight(WindowInsets insets) {
         if (mDisableNavBarScrim) {
             return 0;
-        } else if (Utilities.ATLEAST_Q) {
-            return insets.getTappableElementInsets().bottom;
         } else {
-            return insets.getStableInsetBottom();
+            return insets.getTappableElementInsets().bottom;
         }
     }
 
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
index e0de269..e77ec12 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
@@ -16,11 +16,9 @@
 
 package com.android.launcher3.widget;
 
-import android.annotation.TargetApi;
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.Context;
 import android.graphics.Rect;
-import android.os.Build;
 import android.os.Handler;
 import android.os.Parcelable;
 import android.os.SystemClock;
@@ -44,7 +42,6 @@
 import com.android.launcher3.Flags;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
@@ -105,7 +102,7 @@
             setDefaultFocusHighlightEnabled(false);
         }
 
-        if (Utilities.ATLEAST_Q && Themes.getAttrBoolean(mLauncher, R.attr.isWorkspaceDarkText)) {
+        if (Themes.getAttrBoolean(mLauncher, R.attr.isWorkspaceDarkText)) {
             setOnLightBackground(true);
         }
         mColorExtractor = new LocalColorExtractor(); // no-op
@@ -131,10 +128,9 @@
     }
 
     @Override
-    @TargetApi(Build.VERSION_CODES.Q)
     public void setAppWidget(int appWidgetId, AppWidgetProviderInfo info) {
         super.setAppWidget(appWidgetId, info);
-        if (!mTrackingWidgetUpdate && Utilities.ATLEAST_Q) {
+        if (!mTrackingWidgetUpdate) {
             mTrackingWidgetUpdate = true;
             Trace.beginAsyncSection(TRACE_METHOD_NAME + info.provider, appWidgetId);
             Log.i(TAG, "App widget created with id: " + appWidgetId);
@@ -142,9 +138,8 @@
     }
 
     @Override
-    @TargetApi(Build.VERSION_CODES.Q)
     public void updateAppWidget(RemoteViews remoteViews) {
-        if (mTrackingWidgetUpdate && remoteViews != null && Utilities.ATLEAST_Q) {
+        if (mTrackingWidgetUpdate && remoteViews != null) {
             Log.i(TAG, "App widget with id: " + getAppWidgetId() + " loaded");
             Trace.endAsyncSection(
                     TRACE_METHOD_NAME + getAppWidgetInfo().provider, getAppWidgetId());
@@ -288,8 +283,7 @@
         super.onLayout(changed, left, top, right, bottom);
         mIsScrollable = checkScrollableRecursively(this);
 
-        if (!mIsInDragMode && getTag() instanceof LauncherAppWidgetInfo) {
-            LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) getTag();
+        if (!mIsInDragMode && getTag() instanceof LauncherAppWidgetInfo info) {
             mTempRect.set(left, top, right, bottom);
             mColorExtractor.setWorkspaceLocation(mTempRect, (View) getParent(), info.screenId);
         }
@@ -425,8 +419,7 @@
 
     @Override
     protected boolean shouldAllowDirectClick() {
-        if (getTag() instanceof ItemInfo) {
-            ItemInfo item = (ItemInfo) getTag();
+        if (getTag() instanceof ItemInfo item) {
             return item.spanX == 1 && item.spanY == 1;
         }
         return false;
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java b/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java
index ef51d15..3e4fd8c 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java
@@ -15,7 +15,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.icons.ComponentWithLabelAndIcon;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
@@ -206,11 +205,7 @@
     }
 
     public int getWidgetFeatures() {
-        if (Utilities.ATLEAST_P) {
-            return widgetFeatures;
-        } else {
-            return 0;
-        }
+        return widgetFeatures;
     }
 
     public boolean isReconfigurable() {