src/java.base/share/classes/java/util/concurrent/LinkedBlockingDeque.java

*** 157,169 ****
--- 157,171 ----
  
      /** Main lock guarding all access */
      final ReentrantLock lock = new ReentrantLock();
  
      /** Condition for waiting takes */
+     @SuppressWarnings("serial") // Not statically typed as Serializable
      private final Condition notEmpty = lock.newCondition();
  
      /** Condition for waiting puts */
+     @SuppressWarnings("serial") // Not statically typed as Serializable
      private final Condition notFull = lock.newCondition();
  
      /**
       * Creates a {@code LinkedBlockingDeque} with a capacity of
       * {@link Integer#MAX_VALUE}.