--- xnu/xnu-12377.101.15/libkern/c++/OSRuntimeSupport.c
+++ /dev/null
@@ -1,16 +0,0 @@
-// These functions have been moved inline but we need to continue
-// exporting the mangled functions for loadable drivers compiled on older
-// systems.
-// Note that I have had to manually mangle the symbols names.
-void _ZN11OSMetaClassdlEPvm(void *mem, unsigned long size);
-void *_ZN11OSMetaClassnwEm(unsigned long size);
-
-void
-_ZN11OSMetaClassdlEPvm(__attribute__((unused)) void *mem, __attribute__((__unused__)) unsigned long size)
-{
-}
-void *
-_ZN11OSMetaClassnwEm(__attribute__((unused)) unsigned long size)
-{
-	return (void *)0ULL;
-}