--- old/src/java.rmi/share/classes/java/rmi/server/RemoteObject.java	2018-07-20 14:09:24.104394914 -0700
+++ new/src/java.rmi/share/classes/java/rmi/server/RemoteObject.java	2018-07-20 14:09:23.708394903 -0700
@@ -359,7 +359,7 @@
      * <code>readExternal</code> method.
      */
     private void writeObject(java.io.ObjectOutputStream out)
-        throws java.io.IOException, java.lang.ClassNotFoundException
+        throws java.io.IOException
     {
         if (ref == null) {
             throw new java.rmi.MarshalException("Invalid remote object");