If you need to cancel your account from the web or mobile app you can do so. 

Deleting account on the web

Click the user icon in the top right corner of your account. Then select Manage Organization from the drop down menu. Next, click the pencil icon next to the venue location you'd like to delete. Click Delete then Confirm Change on the pop up.

In Mobile App

Click the settings icon in the top right of your screen. Then tap User Settings and select Delete Account. Confirm Yes to delete account.