Remove Subscribed Calendar

Subscription calendars can only be removed in device settings

  1. Go to Settings on your iOS device
  2. Go to Accounts & Passwords (or Calendar in iOS10 or Mail, Contacts, Calendars in iOS9 and below)
  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