diff --git a/static/js/ace2_inner.js b/static/js/ace2_inner.js
index 9e353e20..4f936e59 100644
--- a/static/js/ace2_inner.js
+++ b/static/js/ace2_inner.js
@@ -32,7 +32,6 @@ var isArray = Ace2Common.isArray;
 var browser = Ace2Common.browser;
 var getAssoc = Ace2Common.getAssoc;
 var setAssoc = Ace2Common.setAssoc;
-var binarySearch = Ace2Common.binarySearch;
 var binarySearchInfinite = Ace2Common.binarySearchInfinite;
 var htmlPrettyEscape = Ace2Common.htmlPrettyEscape;
 var map = Ace2Common.map;