diff --git a/Source/mframe/unknown/generic b/Source/mframe/unknown/generic
index 78ba9620f..074e21ba0 100644
--- a/Source/mframe/unknown/generic
+++ b/Source/mframe/unknown/generic
@@ -19,14 +19,6 @@
 
 #define MFRAME_ARGS int
 
-/*
-#define MFRAME_INIT_ARGS(CUM, RTYPE)	\
-((CUM) = ((*(RTYPE)==_C_STRUCT_B || *(RTYPE)==_C_UNION_B || \
-    *(RTYPE)==_C_ARY_B) && \
-    objc_sizeof_type(RTYPE) > MFRAME_SMALL_STRUCT) \
-    ? sizeof(void*) : 0)
-*/
-
 #define MFRAME_INIT_ARGS(CUM, RTYPE)	((CUM) = 0)
 
 #define MFRAME_ARG_ENCODING(CUM, TYPE, STACK, DEST) \