1 files changed, 0 insertions, 1 deletions
diff --git a/lib.c b/lib.c
index 7f6334c9..7fea4742 100644
--- a/lib.c
+++ b/lib.c
@@ -609,7 +609,6 @@ void create_builtin_stream(void)
 	add_pre_buffer("#define __builtin_va_arg_incr(x) ((x) + 1)\n");
 	add_pre_buffer("#define __builtin_va_copy(dest, src) ({ dest = src; (void)0; })\n");
 	add_pre_buffer("#define __builtin_va_end(arg)\n");
-	add_pre_buffer("#define __builtin_offsetof(type, name) ((__SIZE_TYPE__)&((type *)(0ul))->name)\n");
 
 	/* FIXME! We need to do these as special magic macros at expansion time! */
 	add_pre_buffer("#define __BASE_FILE__ \"base_file.c\"\n");