diff --git a/YUViewLib/src/common/Typedef.h b/YUViewLib/src/common/Typedef.h
--- a/YUViewLib/src/common/Typedef.h
+++ b/YUViewLib/src/common/Typedef.h
@@ -212,12 +212,7 @@ private:
 #define YUVIEW_VERSION "Unknown"
 #endif
 
-#ifndef YUVIEW_HASH
 #define VERSION_CHECK 0
-#define YUVIEW_HASH 0
-#else
-#define VERSION_CHECK 1
-#endif
 
 #define MAX_RECENT_FILES 10