diff --git a/lib/ace/renderloop.js b/lib/ace/renderloop.js
index 67c82185..6aee2a21 100644
--- a/lib/ace/renderloop.js
+++ b/lib/ace/renderloop.js
@@ -61,20 +61,11 @@ var RenderLoop = function(onRender, window) {
                 var changes = _self.changes;
                 _self.changes = 0;
                 _self.onRender(changes);
-            })
+            });
         }
     };
 
-    this.setTimeoutZero = window.requestAnimationFrame ||
-         window.webkitRequestAnimationFrame ||
-         window.mozRequestAnimationFrame ||
-         window.oRequestAnimationFrame ||
-         window.msRequestAnimationFrame;
-
-    if (this.setTimeoutZero) {
-        this.setTimeoutZero = this.setTimeoutZero;
-    } else if (window.postMessage) {
-
+    if (window.postMessage) {
         this.setTimeoutZero = (function(messageName, attached, listener) {
             return function setTimeoutZero(callback) {
                 // Set up listener if not listening already.
@@ -92,12 +83,11 @@ var RenderLoop = function(onRender, window) {
                 this.postMessage(messageName, "*");
             };
         })("zero-timeout-message", false, null);
-
-    } else {
-
+    }
+    else {
         this.setTimeoutZero = function(callback) {
             this.setTimeout(callback, 0);
-        }
+        };
     }
 
 }).call(RenderLoop.prototype);