diff a/src/java.base/share/classes/java/util/concurrent/ThreadPoolExecutor.java b/src/java.base/share/classes/java/util/concurrent/ThreadPoolExecutor.java
--- a/src/java.base/share/classes/java/util/concurrent/ThreadPoolExecutor.java
+++ b/src/java.base/share/classes/java/util/concurrent/ThreadPoolExecutor.java
@@ -1475,12 +1475,17 @@
 
     /**
      * @implNote Previous versions of this class had a finalize method
      * that shut down this executor, but in this version, finalize
      * does nothing.
+     * 
+     * @deprecated Finalization has been deprecated for removal.  See
+     * {@link java.lang.Object#finalize} for background information and details
+     * about migration options.
      */
-    @Deprecated(since="9")
+    @Deprecated(since="9", forRemoval=true)
+    @SuppressWarnings("removal")
     protected void finalize() {}
 
     /**
      * Sets the thread factory used to create new threads.
      *