--- xnu/xnu-792.12.6/libkern/c++/OSObject.cpp
+++ xnu/xnu-792.13.8/libkern/c++/OSObject.cpp
@@ -83,6 +83,8 @@
 OSMetaClassDefineReservedUnused(OSObject, 13);
 OSMetaClassDefineReservedUnused(OSObject, 14);
 OSMetaClassDefineReservedUnused(OSObject, 15);
+
+#ifdef __ppc__
 OSMetaClassDefineReservedUnused(OSObject, 16);
 OSMetaClassDefineReservedUnused(OSObject, 17);
 OSMetaClassDefineReservedUnused(OSObject, 18);
@@ -99,6 +101,7 @@
 OSMetaClassDefineReservedUnused(OSObject, 29);
 OSMetaClassDefineReservedUnused(OSObject, 30);
 OSMetaClassDefineReservedUnused(OSObject, 31);
+#endif
 
 static const char *getClassName(const OSObject *obj)
 {
@@ -279,7 +282,7 @@
 
 void OSObject::operator delete(void *mem, size_t size)
 {
-    kfree((vm_offset_t) mem, size);
+    kfree(mem, size);
 
     ACCUMSIZE(-size);
 }