Delete a calendar (Project Server 2010 settings)
Published: March 31, 2011
If you find that your organization is not using a specific enterprise calendar, you can easily delete it in Microsoft Project Web App.
To delete an enterprise calendar
On the Quick Launch, in the Settings section, click Server Settings.
On the Server Settings page, in the Enterprise Data section, click Enterprise Calendars.
Click the row that contains the calendar that you want to delete, and then click Delete Calendar.
When prompted, click OK to delete the selected calendar.
If the calendar is currently being used, a notification appears.