diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 9294ed9a1e9d3..367f6c51d7dd6 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -6141,12 +6141,10 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
         if (!(pendingResult instanceof PendingIntentRecord)) {
             return null;
         }
-        synchronized(this) {
-            try {
-                PendingIntentRecord res = (PendingIntentRecord)pendingResult;
-                return res.key.packageName;
-            } catch (ClassCastException e) {
-            }
+        try {
+            PendingIntentRecord res = (PendingIntentRecord)pendingResult;
+            return res.key.packageName;
+        } catch (ClassCastException e) {
         }
         return null;
     }