--- old/src/java.desktop/share/classes/java/awt/event/InvocationEvent.java	2019-09-21 12:30:19.683000000 -0700
+++ new/src/java.desktop/share/classes/java/awt/event/InvocationEvent.java	2019-09-21 12:30:19.483000000 -0700
@@ -85,6 +85,7 @@
     /**
      * The Runnable whose run() method will be called.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected Runnable runnable;
 
     /**
@@ -94,6 +95,7 @@
      *
      * @see #isDispatched
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected volatile Object notifier;
 
     /**
@@ -103,6 +105,7 @@
      * @see #isDispatched
      * @since 1.8
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private final Runnable listener;
 
     /**