--- a/src/java.base/share/classes/sun/security/x509/AlgorithmId.java	Wed Oct 09 17:38:58 2019 +0100
+++ b/src/java.base/share/classes/sun/security/x509/AlgorithmId.java	Wed Oct 09 09:57:41 2019 -0700
@@ -72,6 +72,7 @@
     private ObjectIdentifier algid;
 
     // The (parsed) parameters
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private AlgorithmParameters algParams;
     private boolean constructedFromDer = true;
 
@@ -80,6 +81,7 @@
      * DER-encoded form; subclasses can be made to automaticaly parse
      * them so there is fast access to these parameters.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected DerValue          params;