--- a/src/java.rmi/share/classes/java/rmi/activation/ActivationID.java	Fri Jul 20 12:19:28 2018 -0700
+++ b/src/java.rmi/share/classes/java/rmi/activation/ActivationID.java	Fri Jul 20 14:46:43 2018 -0700
@@ -225,7 +225,7 @@
      * specification.
      **/
     private void writeObject(ObjectOutputStream out)
-        throws IOException, ClassNotFoundException
+        throws IOException
     {
         out.writeObject(uid);