diff --git a/AppKit/CPApplication.j b/AppKit/CPApplication.j
index 89aad865e..2f67b076d 100644
--- a/AppKit/CPApplication.j
+++ b/AppKit/CPApplication.j
@@ -912,8 +912,6 @@ CPRunContinuesResponse  = -1002;
 - (void)setCallback:(Function)aCallback forNextEventMatchingMask:(unsigned int)aMask untilDate:(CPDate)anExpiration inMode:(CPString)aMode dequeue:(BOOL)shouldDequeue
 {
     _eventListeners.push(_CPEventListenerMake(aMask, aCallback));
-    
-    if (_eventListeners.length == 3) objj_debug_print_backtrace();
 }
 
 - (CPEvent)setTarget:(id)aTarget selector:(SEL)aSelector forNextEventMatchingMask:(unsigned int)aMask untilDate:(CPDate)anExpiration inMode:(CPString)aMode dequeue:(BOOL)shouldDequeue
diff --git a/AppKit/CoreAnimation/CALayer.j b/AppKit/CoreAnimation/CALayer.j
index 4df328715..7a27d7a34 100644
--- a/AppKit/CoreAnimation/CALayer.j
+++ b/AppKit/CoreAnimation/CALayer.j
@@ -777,8 +777,7 @@ if (_DOMContentsElement && aLayer._zPosition > _DOMContentsElement.style.zIndex)
     @ignore
 */
 + (void)runLoopUpdateLayers
-{if (window.oops) {alert(window.latest); objj_debug_print_backtrace();}
-    window.loop = true;
+{
     for (UID in CALayerRegisteredRunLoopUpdates)
     {
         var layer = CALayerRegisteredRunLoopUpdates[UID],