diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index c5d0b952c2..e77d2c6e01 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -1057,9 +1057,9 @@ public class QuickstepTransitionManager implements OnDeviceProfileChangeListener
         boolean allowBlurringLauncher = mLauncher.getStateManager().getState() != OVERVIEW
                 && BlurUtils.supportsBlursOnWindows();
 
-        ObjectAnimator backgroundRadiusAnim =
-                ObjectAnimator.ofFloat(mLauncher.getDepthController().stateDepth,
-                                MULTI_PROPERTY_VALUE, BACKGROUND_APP.getDepth(mLauncher))
+        LaunchDepthController depthController = new LaunchDepthController(mLauncher);
+        ObjectAnimator backgroundRadiusAnim = ObjectAnimator.ofFloat(depthController.stateDepth,
+                        MULTI_PROPERTY_VALUE, BACKGROUND_APP.getDepth(mLauncher))
                 .setDuration(APP_LAUNCH_DURATION);
 
         if (allowBlurringLauncher) {
@@ -1085,6 +1085,9 @@ public class QuickstepTransitionManager implements OnDeviceProfileChangeListener
                     new SurfaceControl.Transaction().remove(dimLayer).apply()));
         }
 
+        backgroundRadiusAnim.addListener(
+                AnimatorListeners.forEndCallback(depthController::dispose));
+
         return backgroundRadiusAnim;
     }
 
diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index 957db6414e..882682dc4a 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -94,6 +94,18 @@ public class DepthController extends BaseDepthController implements StateHandler
         }
     }
 
+    /**
+     * Cleans up after this controller so it can be garbage collected without leaving traces.
+     */
+    public void dispose() {
+        removeSecondaryListeners();
+
+        if (mLauncher.getRootView() != null && mOnAttachListener != null) {
+            mLauncher.getRootView().removeOnAttachStateChangeListener(mOnAttachListener);
+            mOnAttachListener = null;
+        }
+    }
+
     private void removeSecondaryListeners() {
         if (mCrossWindowBlurListener != null) {
             CrossWindowBlurListeners.getInstance().removeListener(mCrossWindowBlurListener);