diff --git a/test/CodeGen/2004-02-13-Memset.c b/test/CodeGen/2004-02-13-Memset.c
index 36a140a8e5..23a4d3b99a 100644
--- a/test/CodeGen/2004-02-13-Memset.c
+++ b/test/CodeGen/2004-02-13-Memset.c
@@ -1,11 +1,8 @@
 // RUN: %clang_cc1  %s -emit-llvm -o - | grep llvm.memset | count 3
 
-#ifndef memset
-void *memset(void*, int, unsigned long);
-#endif
-#ifndef bzero
-void bzero(void*, unsigned long);
-#endif
+typedef __SIZE_TYPE__ size_t;
+void *memset(void*, int, size_t);
+void bzero(void*, size_t);
 
 void test(int* X, char *Y) {
   // CHECK: call i8* llvm.memset