diff --git a/externs/polymer-externs.js b/externs/polymer-externs.js
index f49bf21e0a..0413192d4b 100644
--- a/externs/polymer-externs.js
+++ b/externs/polymer-externs.js
@@ -138,15 +138,9 @@ Polymer.syncInitialRender;
 /** @type {boolean} */
 Polymer.legacyUndefined;
 
-/** @type {boolean} */
-Polymer.legacyNoBatch;
-
 /** @type {boolean} */
 Polymer.legacyWarnings;
 
-/** @type {boolean} */
-Polymer.legacyNotifyOrder;
-
 /** @type {boolean} */
 Polymer.orderedComputed;