diff --git a/tryton/gui/window/view_form/view/form.py b/tryton/gui/window/view_form/view/form.py
index dd3adff4ba..e86465b08b 100644
--- a/tryton/gui/window/view_form/view/form.py
+++ b/tryton/gui/window/view_form/view/form.py
@@ -61,7 +61,6 @@ class ViewForm(ParserView):
         for widget_name in self.widgets.keys():
             for widget in self.widgets[widget_name]:
                 widget.destroy()
-            del self.widgets[widget_name]
         self.widget.destroy()
 
     def cancel(self):