The following steps can be used to delete an event from the app :
1) In the admin portal click on the client from the client list.
2) Go to Solutions and click on the particular solution that has the event.
3) Go to Events and find the event from the list or search for the event name/event ID.
4) Check the check-box preceding the event in the list, this will display additional icons.
5) Click on the Trash icon on the right to delete the event.