diff --git a/modules/core/include/opencv2/core/core.hpp b/modules/core/include/opencv2/core/core.hpp
index 1c8e0e2cac..2b7791958f 100644
--- a/modules/core/include/opencv2/core/core.hpp
+++ b/modules/core/include/opencv2/core/core.hpp
@@ -4813,6 +4813,9 @@ public:
     ~AutoLock() { mutex->unlock(); }
 protected:
     Mutex* mutex;
+private:
+    AutoLock(const AutoLock&);
+    AutoLock& operator = (const AutoLock&);
 };
 
 }