If you have a recurring batch campaign that you don't want any more, you can cancel the future runs. Here's how.
1. Click on the smart campaign, then the Schedule tab.
2. Click on Schedule Recurrence.
You can cancel a single run by clicking on next to it. Learn how to cancel a scheduled batch campaign run.
3. Set Schedule to None and then Save.
Voila! Your smart campaign will not run anymore.
This cancels future runs, but if a smart campaign is in process of running, you cannot cancel it.