diff --git a/thirdparty/jquery-effen/jquery.fn.js b/thirdparty/jquery-effen/jquery.fn.js
deleted file mode 100644
index c4203d1e9..000000000
--- a/thirdparty/jquery-effen/jquery.fn.js
+++ /dev/null
@@ -1,31 +0,0 @@
-(function($) {
-  $.fn.fn = function() {
-    var self = this;
-    var extension = arguments[0], name = arguments[0];
-    if (typeof name == "string") {
-      return apply(self, name, $.makeArray(arguments).slice(1, arguments.length));
-    } else {
-      $.each(extension, function(key, value) {
-        define(self, key, value);
-      });
-      return self;
-    }
-  }
-  function define(self, name, fn) {
-    self.data(namespacedName(name), fn);
-  };
-  function apply(self, name, args) {
-    var result;
-    self.each(function(i, item) {
-      var fn = $(item).data(namespacedName(name));
-      if (fn)
-        result = fn.apply(item, args);
-      else
-        throw(name + " is not defined");
-    });
-    return result;
-  };
-  function namespacedName(name) {
-    return 'fn.' + name;
-  }
-})(jQuery);
\ No newline at end of file