--- old/src/java.base/share/classes/java/util/AbstractMap.java	2019-09-18 13:11:09.501886999 -0700
+++ new/src/java.base/share/classes/java/util/AbstractMap.java	2019-09-18 13:11:09.305985000 -0700
@@ -607,7 +607,9 @@
         @java.io.Serial
         private static final long serialVersionUID = -8499721149061103585L;
 
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final K key;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private V value;
 
         /**
@@ -738,7 +740,9 @@
         @java.io.Serial
         private static final long serialVersionUID = 7138329143949025153L;
 
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final K key;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final V value;
 
         /**