diff --git a/src/r_defs.h b/src/r_defs.h
index 3c140f888..8911e3b85 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -390,7 +390,7 @@ typedef enum
 	SSF_NOPHYSICSFLOOR = 1<<17,
 	SSF_NOPHYSICSCEILING = 1<<18,
 	SSF_GRAVITYOVERRIDE = 1<<19, // combine with MSF_GRAVITYFLIP
-	SSF_WALLTRANSFER = 1<<20, // combine with MSF_GRAVITYFLIP
+	SSF_WALLTRANSFER = 1<<20,
 } sectorspecialflags_t;
 
 typedef enum