diff --git a/reactos/include/ntos/file.h b/reactos/include/ntos/file.h
index 64cebf144bc..767dbda7376 100644
--- a/reactos/include/ntos/file.h
+++ b/reactos/include/ntos/file.h
@@ -15,8 +15,6 @@
 
 #ifndef __USE_W32API
 
-#define GENERIC_READ	(0x80000000L)
-#define GENERIC_WRITE	(0x40000000L)
 #define FILE_READ_DATA            ( 0x0001 )    /* file & pipe */
 #define FILE_LIST_DIRECTORY       ( 0x0001 )    /* directory */
 
diff --git a/reactos/include/ntos/security.h b/reactos/include/ntos/security.h
index cc1b6d0d642..929be26a1b7 100644
--- a/reactos/include/ntos/security.h
+++ b/reactos/include/ntos/security.h
@@ -122,9 +122,13 @@ typedef struct _SECURITY_DESCRIPTOR_CONTEXT
 #define DOMAIN_ALIAS_RID_REPLICATOR		(0x228L)
 
 /* ACCESS_MASK */
-#define MAXIMUM_ALLOWED			(0x02000000L)
-#define GENERIC_ALL			(0x10000000L)
+/* Generic rights */
+#define GENERIC_READ			(0x80000000L)
+#define GENERIC_WRITE			(0x40000000L)
 #define GENERIC_EXECUTE			(0x20000000L)
+#define GENERIC_ALL			(0x10000000L)
+#define MAXIMUM_ALLOWED			(0x02000000L)
+#define ACCESS_SYSTEM_SECURITY		(0x01000000L)
 
 /* Standard rights */
 #define STANDARD_RIGHTS_REQUIRED	(0x000f0000L)