diff --git a/modules/core/include/opencv2/core/mat.hpp b/modules/core/include/opencv2/core/mat.hpp
index e6770f580..5db98529c 100644
--- a/modules/core/include/opencv2/core/mat.hpp
+++ b/modules/core/include/opencv2/core/mat.hpp
@@ -378,8 +378,7 @@ inline void Mat::addref()
 inline void Mat::release()
 {
     if( refcount && CV_XADD(refcount, -1) == 1 )
-        //deallocate();
-        fastFree(datastart);
+        deallocate();
     data = datastart = dataend = datalimit = 0;
     size.p[0] = 0;
     refcount = 0;