diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index 7fe34f47c53ce..923ac41cec772 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -504,13 +504,6 @@ class Task extends TaskFragment {
      */
     boolean mInRemoveTask;
 
-    // When non-null, this is a transaction that will get applied on the next frame returned after
-    // a relayout is requested from the client. While this is only valid on a leaf task; since the
-    // transaction can effect an ancestor task, this also needs to keep track of the ancestor task
-    // that this transaction manipulates because deferUntilFrame acts on individual surfaces.
-    SurfaceControl.Transaction mMainWindowSizeChangeTransaction;
-    Task mMainWindowSizeChangeTask;
-
     private final AnimatingActivityRegistry mAnimatingActivityRegistry =
             new AnimatingActivityRegistry();
 
@@ -4390,17 +4383,16 @@ class Task extends TaskFragment {
             leaf.setMainWindowSizeChangeTransaction(t, origin);
             return;
         }
-        mMainWindowSizeChangeTransaction = t;
-        mMainWindowSizeChangeTask = t == null ? null : origin;
+        final WindowState w = getTopVisibleAppMainWindow();
+        if (w != null) {
+            w.applyWithNextDraw((d) -> {
+                d.merge(t);
+            });
+        } else {
+            t.apply();
+        }
     }
 
-    SurfaceControl.Transaction getMainWindowSizeChangeTransaction() {
-        return mMainWindowSizeChangeTransaction;
-    }
-
-    Task getMainWindowSizeChangeTask() {
-        return mMainWindowSizeChangeTask;
-    }
 
     void setActivityWindowingMode(int windowingMode) {
         PooledConsumer c = PooledLambda.obtainConsumer(ActivityRecord::setWindowingMode,
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 3dad2ba40627e..db687f627bfaa 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -5988,15 +5988,6 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
         finishDrawing(null);
         mWmService.mH.removeMessages(WINDOW_STATE_BLAST_SYNC_TIMEOUT, this);
         if (!useBLASTSync()) return;
-
-        final Task task = getTask();
-        if (task != null) {
-            final SurfaceControl.Transaction t = task.getMainWindowSizeChangeTransaction();
-            if (t != null) {
-                mSyncTransaction.merge(t);
-            }
-            task.setMainWindowSizeChangeTransaction(null);
-        }
     }
 
     @Override
@@ -6033,10 +6024,6 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
         if (mRedrawForSyncReported) {
             return false;
         }
-        final Task task = getTask();
-        if (task != null && task.getMainWindowSizeChangeTransaction() != null) {
-            return true;
-        }
         return useBLASTSync();
     }
 
diff --git a/services/core/java/com/android/server/wm/WindowStateAnimator.java b/services/core/java/com/android/server/wm/WindowStateAnimator.java
index c17961e8a5641..285a6d5bdf5f4 100644
--- a/services/core/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowStateAnimator.java
@@ -442,50 +442,6 @@ class WindowStateAnimator {
         return mService.useBLASTSync() && mWin.useBLASTSync();
     }
 
-    private boolean shouldConsumeMainWindowSizeTransaction() {
-        // We only consume the transaction when the client is calling relayout
-        // because this is the only time we know the frameNumber will be valid
-        // due to the client renderer being paused. Put otherwise, only when
-        // mInRelayout is true can we guarantee the next frame will contain
-        // the most recent configuration.
-        if (!mWin.mInRelayout) return false;
-        // Since we can only do this for one window, we focus on the main application window
-        if (mAttrType != TYPE_BASE_APPLICATION) return false;
-        final Task task = mWin.getTask();
-        if (task == null) return false;
-        if (task.getMainWindowSizeChangeTransaction() == null) return false;
-        // Likewise we only focus on the task root, since we can only use one window
-        if (!mWin.mActivityRecord.isRootOfTask()) return false;
-        return true;
-    }
-
-    void setSurfaceBoundariesLocked(SurfaceControl.Transaction t) {
-        if (mSurfaceController == null) {
-            return;
-        }
-
-        final WindowState w = mWin;
-        final Task task = w.getTask();
-        if (shouldConsumeMainWindowSizeTransaction()) {
-            if (isInBlastSync()) {
-                // If we're in a sync transaction, there's no need to call defer transaction.
-                // The sync transaction will contain the buffer so the bounds change transaction
-                // will only be applied with the buffer.
-                t.merge(task.getMainWindowSizeChangeTransaction());
-                task.setMainWindowSizeChangeTransaction(null);
-            } else {
-                mWin.applyWithNextDraw(finishedFrame -> {
-                      final SurfaceControl.Transaction sizeChangedTransaction =
-                          task.getMainWindowSizeChangeTransaction();
-                      if (sizeChangedTransaction != null) {
-                          finishedFrame.merge(sizeChangedTransaction);
-                          task.setMainWindowSizeChangeTransaction(null);
-                      }
-                });
-            }
-        }
-    }
-
     void prepareSurfaceLocked(SurfaceControl.Transaction t) {
         final WindowState w = mWin;
         if (!hasSurface()) {
@@ -501,8 +457,6 @@ class WindowStateAnimator {
 
         computeShownFrameLocked();
 
-        setSurfaceBoundariesLocked(t);
-
         if (w.isParentWindowHidden() || !w.isOnScreen()) {
             hide(t, "prepareSurfaceLocked");
             mWallpaperControllerLocked.hideWallpapers(w);