diff --git a/core/jni/android_view_Surface.cpp b/core/jni/android_view_Surface.cpp
index 11f87cc227ec1..3d14aaf5d88f0 100644
--- a/core/jni/android_view_Surface.cpp
+++ b/core/jni/android_view_Surface.cpp
@@ -95,6 +95,7 @@ sp<Surface> android_view_Surface_getSurface(JNIEnv* env, jobject surfaceObj) {
                 env->GetLongField(surfaceObj, gSurfaceClassInfo.mNativeObject));
         env->MonitorExit(lock);
     }
+    env->DeleteLocalRef(lock);
     return sur;
 }