Delete or hide an event
You can manually delete an event from the main calendar view, or you can set Calendar preferences to hide past events automatically.
Delete or hide events
To delete an event, click the event to select it and press the Delete or Backspace key.
If you invited anyone to the event or if it belongs to a shared calendar, a window appears giving you the option to notify participants of the cancelation.
To automatically hide past events, choose Preferences from the Action pop-up menu , click Advanced, select “Hide events n-days after they’ve passed,” then enter a number of days.