--- a/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5Context.java	Fri Oct 04 13:44:11 2019 -0700
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5Context.java	Mon Oct 14 21:01:25 2019 +0000
@@ -1393,6 +1393,7 @@
     static class KerberosSessionKey implements Key {
         private static final long serialVersionUID = 699307378954123869L;
 
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final EncryptionKey key;
 
         KerberosSessionKey(EncryptionKey key) {