You may want to remove the option to purchase a specific ticket, but cannot delete it because individuals have already purchased those sort of tickets. Wizevents provide the ability to remove the ticket from display for the future.
How to get there:
Login to your Wizevents back end account.
Click on the "Events" button.
Click on the pencil icon, "edit" located adjacent to your event.
What to do:
Click on the pencil icon, "edit" under heading Step 2: Event Session Details.
Click on the pencil icon, "edit" adjacent to the ticket name that you would like to change.
Click the checkbox next to "Hide Ticket".
Click "Save Session Ticket Type Changes" to complete the process.