On your computer, open Google Calendar.
In the top right, click Settings > Settings.
In the left column, find the calendar you want to delete.
Click the name of the calendar.
Click Remove Calendar > Delete > Delete permanently.
On your computer, open Google Calendar.
In the top right, click Settings > Settings.
In the left column, find the calendar you want to delete.
Click the name of the calendar.
Click Remove Calendar > Delete > Delete permanently.