diff --git a/tryton/gui/window/win_search.py b/tryton/gui/window/win_search.py
index f2a12d15fe..b9736e3327 100644
--- a/tryton/gui/window/win_search.py
+++ b/tryton/gui/window/win_search.py
@@ -67,7 +67,6 @@ class WinSearch(NoModal):
         viewport.show()
         scrollwindow.add(viewport)
         scrollwindow.show()
-        self.view.widget_tree.connect('button_press_event', self.sig_button)
 
         self.model_name = model
 
@@ -90,11 +89,6 @@ class WinSearch(NoModal):
             return True
         return False
 
-    def sig_button(self, view, event):
-        if event.button == 1 and event.type == gtk.gdk._2BUTTON_PRESS:
-            self.win.response(gtk.RESPONSE_OK)
-        return False
-
     def destroy(self):
         self.screen.destroy()
         self.win.destroy()