diff --git a/rhodecode/public/js/yui/element-delegate/element-delegate.js b/rhodecode/public/js/yui/element-delegate/element-delegate.js
deleted file mode 100644
--- a/rhodecode/public/js/yui/element-delegate/element-delegate.js
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
-Copyright (c) 2010, Yahoo! Inc. All rights reserved.
-Code licensed under the BSD License:
-http://developer.yahoo.com/yui/license.html
-version: 2.8.2r1
-*/
-/**
- * Augments the Element Utility with a <code>delegate</code> method that 
- * facilitates easy creation of delegated event listeners.  (Note: Using CSS 
- * selectors as the filtering criteria for delegated event listeners requires 
- * inclusion of the Selector Utility.)
- *
- * @module element-delegate
- * @title Element Event Delegation Module
- * @namespace YAHOO.util
- * @requires element, event-delegate
- */
-
-(function () {
-
-	var Event = YAHOO.util.Event,
-		delegates = [],
-		specialTypes = {
-			mouseenter: true,
-			mouseleave: true
-		};
-
-	YAHOO.lang.augmentObject(YAHOO.util.Element.prototype, {
-
-	    /**
-         * Appends a delegated event listener.  Delegated event listeners 
-		 * receive two arguments by default: the DOM event and the element  
-		 * specified by the filtering function or CSS selector.
-		 * (Note: Using the delegate method requires the element-delegate 
-		 * module.  Using CSS selectors as the filtering criteria for delegated 
-		 * event listeners requires inclusion of the Selector Utility.)
-	     * @method delegate
-	     * @param {String} type The name of the event to listen for
-	     * @param {Function} fn The handler to call when the event fires
-		 * @param {Function|string} filter Function or CSS selector used to 
-		 * determine for what element(s) the event listener should be called. 
-		 * When a function is specified, the function should return an 
-		 * HTML element.  Using a CSS Selector requires the inclusion of the 
-		 * CSS Selector Utility.
-	     * @param {Any} obj A variable to pass to the handler
-	     * @param {Object} scope The object to use for the scope of the handler 
-         * @return {boolean} Returns true if the delegated event listener 
-		 * was added successfully
-         * @for Element
-	     */
-		delegate: function (type, fn, filter, obj, overrideContext) {
-
-			if (YAHOO.lang.isString(filter) && !YAHOO.util.Selector) {
-		        return false;
-			}
-			
-			if (!Event._createDelegate) {
-		        return false;
-			}			
-
-			var sType = Event._getType(type),
-				el = this.get("element"),
-				fnDelegate,
-				fnMouseDelegate,
-
-				fnWrapper = function (e) {
-
-					return fnDelegate.call(el, e);
-
-				};
-
-			if (specialTypes[type]) {
-
-				if (!Event._createMouseDelegate) {
-			        return false;				
-				}
-
-				fnMouseDelegate = Event._createMouseDelegate(fn, obj, overrideContext);
-
-				fnDelegate = Event._createDelegate(function (event, matchedEl, container) {
-
-					return fnMouseDelegate.call(matchedEl, event, container);
-
-				}, filter, obj, overrideContext);
-
-			}
-			else {
-				fnDelegate = Event._createDelegate(fn, filter, obj, overrideContext);
-			}
-
-
-			delegates.push([el, sType, fn, fnWrapper]);
-
-			return this.on(sType, fnWrapper);
-
-		},
-
-
-	    /**
-	     * Remove a delegated event listener
-	     * @method removeDelegate
-	     * @param {String} type The name of the event to listen for
-	     * @param {Function} fn The function call when the event fires
-         * @return {boolean} Returns true if the unbind was successful, false 
-         *  otherwise.
-         * @for Element
-	     */
-		removeDelegate: function (type, fn) {
-
-			var sType = Event._getType(type),
-				index = Event._getCacheIndex(delegates, this.get("element"), sType, fn),
-				returnVal,
-				cacheItem;
-
-		    if (index >= 0) {
-		        cacheItem = delegates[index];
-		    }
-
-		    if (cacheItem) {
-
-		        returnVal = this.removeListener(cacheItem[1], cacheItem[3]);
-
-				if (returnVal) {
-		            delete delegates[index][2];
-		            delete delegates[index][3];
-		            delegates.splice(index, 1);
-				}
-
-			}
-
-			return returnVal;
-
-		}
-		
-	});
-
-}());
-YAHOO.register("element-delegate", YAHOO.util.Element, {version: "2.8.2r1", build: "7"});