diff --git a/core/modules/utils/dom/popup.js b/core/modules/utils/dom/popup.js
index 56e7c694e..8c8f142e8 100644
--- a/core/modules/utils/dom/popup.js
+++ b/core/modules/utils/dom/popup.js
@@ -25,7 +25,6 @@ var Popup = function(options) {
 };
 
 Popup.prototype.popup = function(stateTextRef) {
-	var popupState;
 	this.cancel();
 	this.popupTextRef = stateTextRef;
 	this.rootElement.addEventListener("click",this,true);