If you don't need a calendar anymore, you can permanently delete it or unsubscribe from it. If you think you might need the calendar later, you can hide it instead.
Hide a calendar temporarily
This is a good option for calendars that you only check occasionally. You can tell that your calendar is hidden if the square next to it isn't colored in.
- On your iPhone or iPad, open the Google Calendar app .
- In the top left, tap Menu .
- In your list of calendars, tap the colored box next to a calendar name.
Delete a calendar
To delete a calendar, open Google Calendar on a computer. Learn more.