Remove Subscribed Calendar

Subscription calendars can only be removed in device settings

  1. Go to device Settings on your iOS device
  2. Go to
    iOS12: Passwords & Accounts
    iOS11: Accounts & Passwords
    iOS10: Calendar
    iOS9-: Mail, Contacts, Calendars
  3. In the Accounts section go to Subscribed Calendars
  4. Select the calendar you wish to remove
  5. Tap on the red Delete Account button