diff --git a/src/m/intel386.h b/src/m/intel386.h
index 8e683e26982..7c19a3e0d4b 100644
--- a/src/m/intel386.h
+++ b/src/m/intel386.h
@@ -103,12 +103,5 @@ NOTE-END */
 #define SEGMENT_MASK ((SEGMENT_SIZE)-1)
 #endif
 
-#if defined (DARWIN_OS)
-#ifdef _LP64
-/* For Intel Mac, with CC='gcc -arch x86_64'.  */
-#define NO_ARG_ARRAY
-#endif
-#endif
-
 /* arch-tag: 746338f0-cb7b-4f49-a98c-cb50817cf2ec
    (do not change this comment) */