To delete a prefiltered user list:
1. Navigate to Components-> .Mighty Touch-> Prefiltered User Lists in the Joomla global menu. The JS PeopleTouch User Lists page appears and displays a list of existing prefiltered user lists.
2. Select the check box corresponding to the prefiltered user list you want to delete and click the Delete button  in the toolbar, as shown in the following figure:
The selected prefiltered user list is deleted.
To delete more than one prefiltered user lists, select the check boxes corresponding to the prefiltered user lists, and click the Delete button in the toolbar.