diff --git a/sdk/lib/3rdparty/zlib/contrib/minizip/unzip.c b/sdk/lib/3rdparty/zlib/contrib/minizip/unzip.c
index c88b4b7de10..e02cc15e0c7 100644
--- a/sdk/lib/3rdparty/zlib/contrib/minizip/unzip.c
+++ b/sdk/lib/3rdparty/zlib/contrib/minizip/unzip.c
@@ -68,9 +68,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#ifndef NOUNCRYPT
-        #define NOUNCRYPT
-#endif
 
 #include "zlib.h"
 #include "unzip.h"