src/java.base/share/classes/java/lang/reflect/Proxy.java

*** 306,315 ****
--- 306,316 ----
  
      /**
       * the invocation handler for this proxy instance.
       * @serial
       */
+     @SuppressWarnings("serial") // Not statically typed as Serializable
      protected InvocationHandler h;
  
      /**
       * Prohibits instantiation.
       */