To Delete a Plan, Click Any Future Event in Your Plan
Go to the Calendar or Your Dashboard
Click a future or upcoming event from the calendar or from your dashboard
The Event details modal will appear.
Click Edit next to the pencil icon
You will see the Edit Event window.
Click Edit Plan
You will see the Edit Plan window.
Scroll to the bottom and Click "Delete Plan
Note: All future events will be removed, but your past events will not. On GMB we treat past events as... past. You cannot change them.