--- xnu/xnu-10002.1.13/libkern/c++/OSObject.cpp
+++ xnu/xnu-7195.141.2/libkern/c++/OSObject.cpp
@@ -280,17 +280,6 @@
 	return ok;
 }
 
-/*
- * Ignore -Wxnu-typed-allocators for the operator new/delete implementations
- */
-__typed_allocators_ignore_push
-
-/*
- * Given that all OSObjects have been transitioned to use
- * OSObject_typed_operator_new/OSObject_typed_operator_delete, this should
- * only be called from kexts that havent recompiled to use the new
- * definitions.
- */
 void *
 OSObject::operator new(size_t size)
 {
@@ -300,51 +289,53 @@
 	}
 #endif
 
-	void *mem = kheap_alloc(KHEAP_DEFAULT, size,
-	    Z_VM_TAG_BT(Z_WAITOK_ZERO, VM_KERN_MEMORY_LIBKERN));
+	void *mem = kheap_alloc_tag_bt(KHEAP_DEFAULT, size,
+	    (zalloc_flags_t) (Z_WAITOK | Z_ZERO), VM_KERN_MEMORY_LIBKERN);
 	assert(mem);
 	OSIVAR_ACCUMSIZE(size);
 
 	return (void *) mem;
 }
 
+void
+OSObject::operator delete(void * mem, size_t size)
+{
+	if (!mem) {
+		return;
+	}
+
+#if IOTRACKING
+	if (kIOTracking & gIOKitDebug) {
+		return OSMetaClass::trackedDelete(mem, size);
+	}
+#endif
+
+	kern_os_kfree(mem, size);
+	OSIVAR_ACCUMSIZE(-size);
+}
+
+__BEGIN_DECLS
+void *OSObject_operator_new_external(size_t size);
 void *
-OSObject_typed_operator_new(kalloc_type_view_t ktv, vm_size_t size)
-{
-#if IOTRACKING
+OSObject_operator_new_external(size_t size)
+{
+  #if IOTRACKING
 	if (kIOTracking & gIOKitDebug) {
 		return OSMetaClass::trackedNew(size);
 	}
 #endif
 
-	/*
-	 * Some classes in kexts that subclass from iokit classes
-	 * don't use OSDeclare/OSDefine to declare/define structors.
-	 * When operator new is called on such objects they end up
-	 * using the parent's operator new/delete. If we detect such
-	 * a case we default to using kalloc rather than kalloc_type
-	 */
-	void *mem = NULL;
-	if (size <= kalloc_type_get_size(ktv->kt_size)) {
-		/*
-		 * OSObject_typed_operator_new can be called from kexts,
-		 * use the external symbol for kalloc_type_impl as
-		 * kalloc_type_views generated at some external callsites
-		 * many not have been processed during boot.
-		 */
-		mem = kalloc_type_impl_external(ktv, Z_WAITOK_ZERO);
-	} else {
-		mem = kheap_alloc(KHEAP_DEFAULT, size,
-		    Z_VM_TAG_BT(Z_WAITOK_ZERO, VM_KERN_MEMORY_LIBKERN));
-	}
+	void * mem = kheap_alloc_tag_bt(KHEAP_KEXT, size,
+	    (zalloc_flags_t) (Z_WAITOK | Z_ZERO), VM_KERN_MEMORY_LIBKERN);
 	assert(mem);
 	OSIVAR_ACCUMSIZE(size);
 
 	return (void *) mem;
 }
 
-void
-OSObject::operator delete(void * mem, size_t size)
+void OSObject_operator_delete_external(void * mem, size_t size);
+void
+OSObject_operator_delete_external(void * mem, size_t size)
 {
 	if (!mem) {
 		return;
@@ -356,34 +347,10 @@
 	}
 #endif
 
-	kheap_free(KHEAP_DEFAULT, mem, size);
+	kheap_free(KHEAP_KEXT, mem, size);
 	OSIVAR_ACCUMSIZE(-size);
 }
-
-void
-OSObject_typed_operator_delete(kalloc_type_view_t ktv, void * mem,
-    vm_size_t size)
-{
-	if (!mem) {
-		return;
-	}
-
-#if IOTRACKING
-	if (kIOTracking & gIOKitDebug) {
-		return OSMetaClass::trackedDelete(mem, size);
-	}
-#endif
-
-	if (size <= kalloc_type_get_size(ktv->kt_size)) {
-		kern_os_typed_free(ktv, mem, size);
-	} else {
-		kheap_free(KHEAP_DEFAULT, mem, size);
-	}
-	OSIVAR_ACCUMSIZE(-size);
-}
-
-__typed_allocators_ignore_pop
-
+__END_DECLS
 bool
 OSObject::init()
 {