To delete a casual booking rule follow the steps and/or watch the video below:
1. To delete a Casual Booking Rules go to "Tools", scroll down to the "Members Booking" section and click on "Casual Booking Rules".
2. Select the 
icon from the actions column
3. You will get a pop-up message asking "Are you sure you want to delete this record?".
4. Click "Ok".
(NOTE: Once you delete a rule it cannot be undone)