Remove "To-Do-List" or "Tasks" from the left panel in Outlook

Hi all,

In the left panel of Outlook (i.e.outlook2010), there is "To-Do-List" and "Tasks". 

I would like to keep only one of them but not both; it would be useful to display either "To-Do-List" or "Tasks", but not both of them at the same time, as they seem to me redundant! 

Is there any way to do this? 

Thank you