Unsubscribe from Free BreachGuard trial

Ho do I unsubscribe from the free trail? as it does not show in my account to terminate it and I dont want to be charged, I have 2 days left.

https://support.avast.com/en-ww/article/Unsubscribe-FAQ/

Did you ever give them your credit card#? I know I never did for this beta trial version.