--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/UnaryTree.java	2018-06-27 09:02:54.000000000 +0530
+++ new/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/UnaryTree.java	2018-06-27 09:02:53.000000000 +0530
@@ -36,8 +36,12 @@
  *   <em>expression</em> <em>operator</em>
  * </pre>
  *
+ * @deprecated Nashorn JavaScript script engine and APIs, and the jjs tool
+ * are deprecated with the intent to remove them in a future release.
+ *
  * @since 9
  */
+@Deprecated(since="11", forRemoval=true)
 public interface UnaryTree extends ExpressionTree {
     /**
      * Returns the expression operated by the unary operator.