diff --git a/Gruntfile.coffee b/Gruntfile.coffee
index 3efbb0ebf1b..f52963e436b 100644
--- a/Gruntfile.coffee
+++ b/Gruntfile.coffee
@@ -92,7 +92,6 @@ This file is generated by `grunt build`, do not edit it by hand.
         options:
           vendor: [
             'https://ajax.googleapis.com/ajax/libs/prototype/1.7.0.0/prototype.js',
-            'public/docsupport/event.simulate.js'
           ]
           specs: 'spec/public/proto_specs.js'
 
diff --git a/public/docsupport/event.simulate.js b/public/docsupport/event.simulate.js
deleted file mode 100644
index 964457b8b4a..00000000000
--- a/public/docsupport/event.simulate.js
+++ /dev/null
@@ -1,64 +0,0 @@
-/**
- * Event.simulate(@element, eventName[, options]) -> Element
- * 
- * - @element: element to fire event on
- * - eventName: name of event to fire (only MouseEvents and HTMLEvents interfaces are supported)
- * - options: optional object to fine-tune event properties - pointerX, pointerY, ctrlKey, etc.
- *
- *    $('foo').simulate('click'); // => fires "click" event on an element with id=foo
- *
- **/
-(function(){
-  
-  var eventMatchers = {
-    'HTMLEvents': /^(?:load|unload|abort|error|select|change|submit|reset|focus|blur|resize|scroll)$/,
-    'MouseEvents': /^(?:click|dblclick|mouse(?:down|up|over|move|out))$/
-  }
-  var defaultOptions = {
-    pointerX: 0,
-    pointerY: 0,
-    button: 0,
-    ctrlKey: false,
-    altKey: false,
-    shiftKey: false,
-    metaKey: false,
-    bubbles: true,
-    cancelable: true
-  }
-  
-  Event.simulate = function(element, eventName) {
-    var options = Object.extend(Object.clone(defaultOptions), arguments[2] || { });
-    var oEvent, eventType = null;
-    
-    element = $(element);
-    
-    for (var name in eventMatchers) {
-      if (eventMatchers[name].test(eventName)) { eventType = name; break; }
-    }
-
-    if (!eventType)
-      throw new SyntaxError('Only HTMLEvents and MouseEvents interfaces are supported');
-
-    if (document.createEvent) {
-      oEvent = document.createEvent(eventType);
-      if (eventType == 'HTMLEvents') {
-        oEvent.initEvent(eventName, options.bubbles, options.cancelable);
-      }
-      else {
-        oEvent.initMouseEvent(eventName, options.bubbles, options.cancelable, document.defaultView, 
-          options.button, options.pointerX, options.pointerY, options.pointerX, options.pointerY,
-          options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, element);
-      }
-      element.dispatchEvent(oEvent);
-    }
-    else {
-      options.clientX = options.pointerX;
-      options.clientY = options.pointerY;
-      oEvent = Object.extend(document.createEventObject(), options);
-      element.fireEvent('on' + eventName, oEvent);
-    }
-    return element;
-  }
-  
-  Element.addMethods({ simulate: Event.simulate });
-})();
\ No newline at end of file
diff --git a/public/options.html b/public/options.html
index 412101d0f5c..7e54a2e5a03 100644
--- a/public/options.html
+++ b/public/options.html
@@ -229,7 +229,7 @@ <h3>Example:</h3>
           <td>change</td>
           <td>
             <p>Chosen triggers the standard DOM event whenever a selection is made (it also sends a <code class="language-javascript">selected</code> or <code class="language-javascript">deselected</code> parameter that tells you which option was changed).</p>
-            <p><strong>Note:</strong> in order to use change in the Prototype version, you have to include the <a href="https://github.com/kangax/protolicious/blob/5b56fdafcd7d7662c9d648534225039b2e78e371/event.simulate.js">Event.simulate</a> class. The selected and deselected parameters are not available for Prototype.</p>
+            <p>The selected and deselected parameters are not available for Prototype.</p>
           </td>
         </tr>
         <tr>