When i try to delete some inactive (grayed) sites it says its been used by a module. Documents says Requester, Asset, Request Template or Preventive Maintenance task can be associated and i checked all of them but there is not any association with. Plus i checked Work Hours, Holidays, Departments, Technician / Site Relations, Support Groups, Service Level Agreements, Business Rules and it seems not any association. How can i remove this sites from Site list?