diff --git a/core/api/current.txt b/core/api/current.txt
index caf47f2ea21a4..987f19523031e 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -48360,7 +48360,6 @@ package android.view {
     ctor public SurfaceView(android.content.Context, android.util.AttributeSet);
     ctor public SurfaceView(android.content.Context, android.util.AttributeSet, int);
     ctor public SurfaceView(android.content.Context, android.util.AttributeSet, int, int);
-    method public boolean gatherTransparentRegion(android.graphics.Region);
     method public android.view.SurfaceHolder getHolder();
     method @Nullable public android.os.IBinder getHostToken();
     method public android.view.SurfaceControl getSurfaceControl();
@@ -48562,6 +48561,7 @@ package android.view {
     method public android.view.View focusSearch(int);
     method public void forceHasOverlappingRendering(boolean);
     method public void forceLayout();
+    method public boolean gatherTransparentRegion(@Nullable android.graphics.Region);
     method public void generateDisplayHash(@NonNull String, @Nullable android.graphics.Rect, @NonNull java.util.concurrent.Executor, @NonNull android.view.displayhash.DisplayHashResultCallback);
     method public static int generateViewId();
     method public CharSequence getAccessibilityClassName();
@@ -49543,7 +49543,6 @@ package android.view {
     method public void endViewTransition(android.view.View);
     method public android.view.View focusSearch(android.view.View, int);
     method public void focusableViewAvailable(android.view.View);
-    method public boolean gatherTransparentRegion(android.graphics.Region);
     method protected android.view.ViewGroup.LayoutParams generateDefaultLayoutParams();
     method public android.view.ViewGroup.LayoutParams generateLayoutParams(android.util.AttributeSet);
     method protected android.view.ViewGroup.LayoutParams generateLayoutParams(android.view.ViewGroup.LayoutParams);
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index b82afca2f6944..b2df3a942469e 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -26119,7 +26119,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
     }
 
     /**
-     * This is used by the RootView to perform an optimization when
+     * This is used by the ViewRoot to perform an optimization when
      * the view hierarchy contains one or several SurfaceView.
      * SurfaceView is always considered transparent, but its children are not,
      * therefore all View objects remove themselves from the global transparent
@@ -26131,10 +26131,8 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
      * point is opaque, regardless of the transparent region; returns false
      * if it is possible for underlying windows to be seen behind the view.
      *
-     * {@hide}
      */
-    @UnsupportedAppUsage
-    public boolean gatherTransparentRegion(Region region) {
+    public boolean gatherTransparentRegion(@Nullable Region region) {
         final AttachInfo attachInfo = mAttachInfo;
         if (region != null && attachInfo != null) {
             final int pflags = mPrivateFlags;