diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index b50a433785993..3bb47786b2231 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -330,6 +330,7 @@ void CanvasContext::trimMemory(RenderThread& thread, int level) {
     // No context means nothing to free
     if (!thread.eglManager().hasEglContext()) return;
 
+    ATRACE_CALL();
     thread.eglManager().requireGlContext();
     if (level >= TRIM_MEMORY_COMPLETE) {
         Caches::getInstance().flush(Caches::kFlushMode_Full);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 3b05ef1cbbd54..7936a4b2bc6d5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -40,6 +40,7 @@ import android.app.Notification;
 import android.app.PendingIntent;
 import android.app.StatusBarManager;
 import android.content.BroadcastReceiver;
+import android.content.ComponentCallbacks2;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -95,6 +96,7 @@ import android.view.ViewPropertyAnimator;
 import android.view.ViewStub;
 import android.view.ViewTreeObserver;
 import android.view.WindowManager;
+import android.view.WindowManagerGlobal;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.animation.AccelerateDecelerateInterpolator;
@@ -2413,6 +2415,12 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
         setInteracting(StatusBarManager.WINDOW_STATUS_BAR, false);
         showBouncer();
         disable(mDisabledUnmodified, true /* animate */);
+
+        // Trimming will happen later if Keyguard is showing - doing it here might cause a jank in
+        // the bouncer appear animation.
+        if (!mStatusBarKeyguardViewManager.isShowing()) {
+            WindowManagerGlobal.getInstance().trimMemory(ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN);
+        }
     }
 
     public boolean interceptTouchEvent(MotionEvent event) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
index 55c861a66ace5..65d231e894376 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
@@ -16,6 +16,7 @@
 
 package com.android.systemui.statusbar.phone;
 
+import android.content.ComponentCallbacks2;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.RemoteException;
@@ -24,6 +25,7 @@ import android.util.Slog;
 import android.view.KeyEvent;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowManagerGlobal;
 
 import com.android.internal.policy.IKeyguardShowCallback;
 import com.android.internal.widget.LockPatternUtils;
@@ -268,6 +270,8 @@ public class StatusBarKeyguardViewManager {
                     public void run() {
                         mStatusBarWindowManager.setKeyguardFadingAway(false);
                         mPhoneStatusBar.finishKeyguardFadingAway();
+                        WindowManagerGlobal.getInstance().trimMemory(
+                                ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN);
                     }
                 });
             } else {