diff --git a/lib/ace/keyboard/keybinding.js b/lib/ace/keyboard/keybinding.js
index e1ab4faf..02ef6992 100644
--- a/lib/ace/keyboard/keybinding.js
+++ b/lib/ace/keyboard/keybinding.js
@@ -39,7 +39,6 @@
 
 define(function(require, exports, module) {
 
-var useragent = require("../lib/useragent");
 var keyUtil  = require("../lib/keys");
 var event = require("../lib/event");
 require("../commands/default_commands");
@@ -76,8 +75,9 @@ var KeyBinding = function(editor) {
     };
 
     this.$callKeyboardHandlers = function (hashId, keyString, keyCode, e) {
+        var toExecute;
         for (var i = this.$handlers.length; i--;) {
-            var toExecute = this.$handlers[i].handleKeyboard(
+            toExecute = this.$handlers[i].handleKeyboard(
                 this.$data, hashId, keyString, keyCode, e
             );
             if (toExecute && toExecute.command)
@@ -86,7 +86,9 @@ var KeyBinding = function(editor) {
 
         if (!toExecute || !toExecute.command)
             return false;
-        var success = false, commands = this.$editor.commands;
+
+        var success = false;
+        var commands = this.$editor.commands;
 
         // allow keyboardHandler to consume keys
         if (toExecute.command != "null")
@@ -97,13 +99,13 @@ var KeyBinding = function(editor) {
         if (success && e)
             event.stopEvent(e);
 
-        return success
+        return success;
     };
 
     this.handleKeyboard = function(data, hashId, keyString) {
         return {
             command: this.$editor.commands.findKeyCommand(hashId, keyString)
-        }
+        };
     };
 
     this.onCommandKey = function(e, hashId, keyCode) {