@leocg how do I do that

@leocg when i log out of it and go back into my email or any other google website it forces me to log back in without an option to use a diffrent account

So when I started using opera gx i used a gmail. well now i dont want that gmail on my oepra gx but whatever I do its always set as a default gmail for my browser i cant watch youtube on a diffrent account or anythig.

any way to remove it or forget it for the browser?