Hey @yacine.founaqa,
If you want to delete your forums account you’d have to delete your bubble account as well. The reason being is because Bubble Forums uses your Bubble Account info for SSO (Single sign-on).
According to @emmanuel,
He states that you will need to email Bubble Support, support@bubble.io which is when they will do it for you. At this time there isn’t a built-in functionality.
-Johnny