--- a/src/java.base/share/classes/java/security/Key.java	Fri Aug 17 13:20:53 2018 -0700
+++ b/src/java.base/share/classes/java/security/Key.java	Fri Aug 17 13:37:01 2018 -0700
@@ -108,8 +108,12 @@
     * The class fingerprint that is set to indicate
     * serialization compatibility with a previous
     * version of the class.
+    *
+    * @deprecated A {@code serialVersionUID} field in an interface is
+    * ineffectual. Do not use; no replacement.
     */
-    @SuppressWarnings("serial") // serialVersionUID in an interface is ineffectual
+    @Deprecated
+    @SuppressWarnings("serial")
     static final long serialVersionUID = 6603384152749567654L;
 
     /**