diff --git a/java/google/registry/ui/js/session.js b/java/google/registry/ui/js/session.js
index 8df8e6b6d..0895b5e9a 100644
--- a/java/google/registry/ui/js/session.js
+++ b/java/google/registry/ui/js/session.js
@@ -30,6 +30,7 @@ goog.forwardDeclare('goog.Uri');
  * @param {!registry.Session.ContentType} contentType Payload mode.
  * @constructor
  * @template REQUEST, RESPONSE
+ * @suppress {deprecated}
  */
 registry.Session = function(defaultUri, xsrfToken, contentType) {