diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java
index cb5c6c3a0090b..0df2d65d2acb2 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java
@@ -162,7 +162,9 @@ public class KeyguardSecurityContainerController extends ViewController<Keyguard
                     try {
                         Thread.sleep(5000);
                     } catch (InterruptedException ignored) { }
-                    Runtime.getRuntime().gc();
+                    System.gc();
+                    System.runFinalization();
+                    System.gc();
                 });
             } else {
                 SysUiStatsLog.write(SysUiStatsLog.KEYGUARD_BOUNCER_PASSWORD_ENTERED,