Delete an event's worker signup when the event no longer needs workers.
NOTE: Deleting a signup can't be undone.
Delete a Signup
Go to Events -> Workers -> Event Setup.
On the Signups tab, click the pencil next to the signup.
Click Delete at the bottom of the page.
Tip: To remove one shift instead of the whole signup, open the event's signup and click the red x button next to the shift.