--- old/src/java.base/share/classes/java/security/interfaces/ECPrivateKey.java	2018-08-06 12:04:48.674000999 -0700
+++ new/src/java.base/share/classes/java/security/interfaces/ECPrivateKey.java	2018-08-06 12:04:48.522000999 -0700
@@ -43,6 +43,7 @@
     * The class fingerprint that is set to indicate
     * serialization compatibility.
     */
+    @SuppressWarnings("serial") // serialVersionUID in an interface is ineffectual
     static final long serialVersionUID = -7896394956925609184L;
 
     /**