If necessary, events can be deleted on the My events page by clicking the settings icon (1) and then selecting Delete (2).
by first selecting the event and then clicking Delete event at the bottom of the event menu.
Chargeable events cannot be deleted. This is to make sure no information related to payments is lost. However, you can archive undeleatable events by setting an end date that is more than a week in the past. Every night at midnight the system automatically archives events that have an end date that's passed seven days ago.