--- old/src/java.base/share/classes/javax/crypto/SecretKey.java	2018-08-06 12:04:51.142000999 -0700
+++ new/src/java.base/share/classes/javax/crypto/SecretKey.java	2018-08-06 12:04:50.986000999 -0700
@@ -64,5 +64,6 @@
      * The class fingerprint that is set to indicate serialization
      * compatibility since J2SE 1.4.
      */
+    @SuppressWarnings("serial") // serialVersionUID in an interface is ineffectual
     static final long serialVersionUID = -4795878709595146952L;
 }