--- old/src/java.desktop/share/classes/java/awt/ScrollPaneAdjustable.java	2019-09-21 12:30:16.483000000 -0700
+++ new/src/java.desktop/share/classes/java/awt/ScrollPaneAdjustable.java	2019-09-21 12:30:16.259000000 -0700
@@ -138,6 +138,7 @@
      */
     private int blockIncrement = 1;
 
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private AdjustmentListener adjustmentListener;
 
     /**