diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 791d74afebdda..a2b09908e22d9 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -2538,9 +2538,7 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
 
     @Override
     public int getLockTaskModeState() {
-        synchronized (mGlobalLock) {
-            return getLockTaskController().getLockTaskModeState();
-        }
+        return getLockTaskController().getLockTaskModeState();
     }
 
     @Override