How delete WI/WF from PROD sys. without using SWWL?

[Yaron David]

Hi All,
 
                    I need to delete work item from user inbox in PROD sys.
    I deleted the WF by using transaction SWWH but its still in user inbox,
    How can I delete work item without using transaction SWWL in PROD sys.?
 
                                                                      T.I.A
                                                                     Yaron.