diff --git a/externs/closure-types.js b/externs/closure-types.js
index 27e4bc7835..c8b38c77e3 100644
--- a/externs/closure-types.js
+++ b/externs/closure-types.js
@@ -1383,19 +1383,19 @@ function Polymer_DisableUpgradeMixin(){}
 /**
 * @override
 */
-Polymer_DisableUpgradeMixin.prototype.attributeChangedCallback = function(name, old, value){};
+Polymer_DisableUpgradeMixin.prototype._initializeProperties = function(){};
 /**
 * @override
 */
-Polymer_DisableUpgradeMixin.prototype._initializeProperties = function(){};
+Polymer_DisableUpgradeMixin.prototype._enableProperties = function(){};
 /**
 * @override
 */
-Polymer_DisableUpgradeMixin.prototype.connectedCallback = function(){};
+Polymer_DisableUpgradeMixin.prototype.attributeChangedCallback = function(name, old, value){};
 /**
 * @override
 */
-Polymer_DisableUpgradeMixin.prototype._enableProperties = function(){};
+Polymer_DisableUpgradeMixin.prototype.connectedCallback = function(){};
 /**
 * @override
 */
diff --git a/types/lib/mixins/disable-upgrade-mixin.d.ts b/types/lib/mixins/disable-upgrade-mixin.d.ts
index 80757fb860..f8584219d8 100644
--- a/types/lib/mixins/disable-upgrade-mixin.d.ts
+++ b/types/lib/mixins/disable-upgrade-mixin.d.ts
@@ -8,6 +8,8 @@
  *   lib/mixins/disable-upgrade-mixin.html
  */
 
+/// <reference path="element-mixin.d.ts" />
+
 declare namespace Polymer {
 
 
@@ -38,10 +40,10 @@ declare namespace Polymer {
   }
 
   interface DisableUpgradeMixin {
-    attributeChangedCallback(name: any, old: any, value: any): void;
     _initializeProperties(): void;
-    connectedCallback(): void;
     _enableProperties(): void;
+    attributeChangedCallback(name: any, old: any, value: any): void;
+    connectedCallback(): void;
     disconnectedCallback(): void;
   }
 }