diff --git a/src/sbbs3/sbbsdefs.h b/src/sbbs3/sbbsdefs.h
index 7d24f3a278d98fa2600f1f439ba81ae02c19f752..9abac68acbafc176ef087c6d215422b9c867186e 100644
--- a/src/sbbs3/sbbsdefs.h
+++ b/src/sbbs3/sbbsdefs.h
@@ -62,14 +62,6 @@
 #define __FLAT__	/* 32-bit "flat" memory model */
 #endif
 
-#ifdef _MSC_VER	/* Visual C++ */
-
-#define O_DENYNONE	_SH_DENYNO
-#define O_DENYALL	_SH_DENYRW
-#define S_IWRITE	_S_IWRITE
-
-#endif
-
 /************/
 /* Maximums */
 /************/