--- xnu/xnu-792.21.3/libkern/c++/OSCollectionIterator.cpp
+++ xnu/xnu-1228.15.4/libkern/c++/OSCollectionIterator.cpp
@@ -76,7 +76,7 @@
 void OSCollectionIterator::free()
 {
     if (collIterator) {
-        kfree((vm_offset_t)collIterator, collection->iteratorSize());
+        kfree(collIterator, collection->iteratorSize());
 	ACCUMSIZE(-(collection->iteratorSize()));
         collIterator = 0;
     }