--- xnu/xnu-1228/libkern/c++/OSMetaClass.cpp
+++ xnu/xnu-792.18.15/libkern/c++/OSMetaClass.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -334,13 +334,13 @@
     }
 }
 
-void *OSMetaClass::operator new(__unused size_t size) { return 0; }
+void *OSMetaClass::operator new(size_t size) { return 0; }
 void OSMetaClass::retain() const { }
 void OSMetaClass::release() const { }
-void OSMetaClass::release(__unused int when) const { }
-void OSMetaClass::taggedRetain(__unused const void *tag) const { }
-void OSMetaClass::taggedRelease(__unused const void *tag) const { }
-void OSMetaClass::taggedRelease(__unused const void *tag, __unused const int when) const { }
+void OSMetaClass::release(int when) const { }
+void OSMetaClass::taggedRetain(const void *tag) const { }
+void OSMetaClass::taggedRelease(const void *tag) const { }
+void OSMetaClass::taggedRelease(const void *tag, const int when) const { }
 int  OSMetaClass::getRetainCount() const { return 0; }
 
 const char *OSMetaClass::getClassName() const
@@ -599,8 +599,8 @@
 
 extern "C" kern_return_t kmod_unload_cache(void);
 
-static void _OSMetaClassConsiderUnloads(__unused thread_call_param_t p0,
-                                        __unused thread_call_param_t p1)
+static void _OSMetaClassConsiderUnloads(thread_call_param_t p0,
+                                        thread_call_param_t p1)
 {
     OSSet *kmodClasses;
     OSSymbol *kmodName;
@@ -861,7 +861,7 @@
     return 0;
 }
 
-bool OSMetaClass::serialize(__unused OSSerialize *s) const
+bool OSMetaClass::serialize(OSSerialize *s) const
 {
     panic("OSMetaClass::serialize(): Obsoleted\n");
     return false;