diff --git a/Source/exehead/util.c b/Source/exehead/util.c
index 380daeb6..5c7a7ea9 100644
--- a/Source/exehead/util.c
+++ b/Source/exehead/util.c
@@ -334,20 +334,6 @@ void NSISCALL mini_memcpy(void *out, const void *in, int len)
   }
 }
 
-#ifdef __GNUC__
-void *memcpy(void *out, const void *in, size_t len)
-{
-  char *c_out=(char*)out;
-  char *c_in=(char *)in;
-  while (len-- > 0)
-  {
-    *c_out++=*c_in++;
-  }
-  return out;
-}
-#endif
-
-
 HANDLE NSISCALL myOpenFile(const char *fn, DWORD da, DWORD cd)
 {
   int attr = GetFileAttributes(fn);