diff --git a/modules/core/include/opencv2/core/cvdef.h b/modules/core/include/opencv2/core/cvdef.h
index 47b2c12637..c1db3027e2 100644
--- a/modules/core/include/opencv2/core/cvdef.h
+++ b/modules/core/include/opencv2/core/cvdef.h
@@ -63,10 +63,6 @@
 #endif
 
 
-#if !defined _CRT_SECURE_NO_DEPRECATE && defined _MSC_VER && _MSC_VER > 1300
-#  define _CRT_SECURE_NO_DEPRECATE /* to avoid multiple Visual Studio warnings */
-#endif
-
 // undef problematic defines sometimes defined by system headers (windows.h in particular)
 #undef small
 #undef min