src/java.base/share/classes/java/util/AbstractMap.java

*** 605,615 ****
--- 605,617 ----
          implements Entry<K,V>, java.io.Serializable
      {
          @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;
  
          /**
           * Creates an entry representing a mapping from the specified
           * key to the specified value.
*** 736,746 ****
--- 738,750 ----
          implements Entry<K,V>, java.io.Serializable
      {
          @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;
  
          /**
           * Creates an entry representing a mapping from the specified
           * key to the specified value.