--- xnu/xnu-792.13.8/iokit/Kernel/IOPMchangeNoteList.cpp
+++ xnu/xnu-123.5/iokit/Kernel/IOPMchangeNoteList.cpp
@@ -1,35 +1,26 @@
 /*
  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
  * 
- * This file contains Original Code and/or Modifications of Original Code 
- * as defined in and that are subject to the Apple Public Source License 
- * Version 2.0 (the 'License'). You may not use this file except in 
- * compliance with the License.  The rights granted to you under the 
- * License may not be used to create, or enable the creation or 
- * redistribution of, unlawful or unlicensed copies of an Apple operating 
- * system, or to circumvent, violate, or enable the circumvention or 
- * violation of, any terms of an Apple operating system software license 
- * agreement.
- *
- * Please obtain a copy of the License at 
- * http://www.opensource.apple.com/apsl/ and read it before using this 
- * file.
- *
- * The Original Code and all software distributed under the License are 
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
- * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
  */
 #include <IOKit/pwr_mgt/IOPM.h>
 #include <IOKit/pwr_mgt/IOPMchangeNoteList.h>
-#include <IOKit/pwr_mgt/IOPowerConnection.h>
 
 #define super OSObject
 OSDefineMetaClassAndStructors(IOPMchangeNoteList,OSObject)
@@ -113,13 +104,6 @@
 
 IOReturn IOPMchangeNoteList::releaseHeadChangeNote ( void )
 {
-    IOPowerConnection *tmp;
-
-    if((tmp = changeNote[firstInList].parent)) {
-       changeNote[firstInList].parent = 0;
-       tmp->release();
-    }
-
     changeNote[firstInList].flags = IOPMNotInUse;
     firstInList = increment(firstInList);
     return IOPMNoErr;
@@ -137,13 +121,6 @@
 
 IOReturn IOPMchangeNoteList::releaseTailChangeNote ( void )
 {
-    IOPowerConnection *tmp;
-    
-    if((tmp = changeNote[firstInList].parent)) {
-       changeNote[firstInList].parent = 0;
-       tmp->release();
-    }
-
     firstUnused = decrement(firstUnused);
     changeNote[firstUnused].flags = IOPMNotInUse;
     return IOPMNoErr;