diff --git a/extension.js b/extension.js
index 3b5d8be..171ebd3 100644
--- a/extension.js
+++ b/extension.js
@@ -31,7 +31,6 @@
 
 const St = imports.gi.St;
 const Gio = imports.gi.Gio;
-const Lang = imports.lang;
 const GLib = imports.gi.GLib
 const Main = imports.ui.main;
 const Mainloop = imports.mainloop;
@@ -105,7 +104,7 @@ class SignalMgt {
         id = widget.connect('scroll-event', this._onScroll.bind(this));
         array.push(id);
         widget.set_reactive(true);
-        id = widget.connect('button-release-event', Lang.bind(this, this._clicked));
+        id = widget.connect('button-release-event', this._clicked.bind(this));
         array.push(id);
     }
 
@@ -170,7 +169,7 @@ class SignalMgt {
             this.nbClicks = 1;
 
             Mainloop.timeout_add(this.dbus.ClutterSettings['double-click-time'],
-                                 Lang.bind(this, this._doClickCallback));
+                                 this._doClickCallback.bind(this));
         }
 
         return Clutter.EVENT_PROPAGATE;