Deleting practice scores from CollegeBoard

So I’ve been using the new CollegeBoard app called “Daily Practice for the new SAT”. This lets you scan your practice tests with your phone or other devices.
I tried to score my PSAT Practice test #2, which it said I got a 740 on.
Apparently, it scored it according to the Practice Test #1 answer sheet.

This test is now on my CollegeBoard information and I don’t know how to access and delete it. However, Khanacademy found it immediately and is providing questions based on what I got on that practice test.
How do I fix this??

If there is no way to fix this - does anyone know a way to remove my CollegeBoard account from Khanacademy? I would rather do that than be stuck with that score in my account and have practice questions based on that.

Thanks!