To delete a pole vector constraint, delete the pole vector constraint node.
         
         To delete a pole vector constraint
         
         
            - Select the pole vector constraint node only. (Select the point constraint’s selection handle if displayed, or use the  to select the point constraint node.)
            
- Select Edit > Delete (default shortcut:  (Linux and Windows) or (Linux and Windows) or (Mac OS X) key). (Mac OS X) key).