To unsubscribe from a calendar, perform the following steps:
Right-click on any Sun Java System Calendar Server
folder, then choose Manage Subscriptions
from the popup menu to open the SunOne Calendar Subscriptions
window.
Select the calendar from which you want to unsubscribe.
Click on the Unsubscribe button.
Click OK to save your changes and close the SunOne Calendar Subscriptions dialog.
Evolution deletes the selected calendar from the specified Sun Java System Calendar Server
folder.