--- a/src/java.prefs/share/classes/java/util/prefs/NodeChangeEvent.java	Thu Oct 17 20:27:44 2019 +0100
+++ b/src/java.prefs/share/classes/java/util/prefs/NodeChangeEvent.java	Thu Oct 17 20:53:35 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -46,10 +46,8 @@
 public class NodeChangeEvent extends java.util.EventObject {
     /**
      * The node that was added or removed.
-     *
-     * @serial
      */
-    private Preferences child;
+    private transient Preferences child;
 
     /**
      * Constructs a new {@code NodeChangeEvent} instance.