From the Task Types tab, you can delete task types. To delete:

1. Select a task type (row) to delete
   
2. Click the Delete Task Type button on the toolbar
   
   1. The delete button is only visible when Enable Delete has been checked under Settings–Options (top right corner of the UI)
      
      
   2. The delete button is grayed out unless a task type (row) is selected
      
      
   3. The delete function is only available to users in the Administrator and Regular User security groups
3. Click the Delete button to confirm the delete operation. Click the Cancel button to cancel the operation.
   

NOTE: Task types cannot be deleted when assigned to a task.