Currently, the only way to remove these advertisements is to click on the X sign or No thanks. Let me discuss this further.
These pop-up advertisements aren't for selling you anything in QuickBooks. These are merely pop-ups about navigation to help you improve your in-product experience.
Also, you can contact our QuickBooks Online Support team. This way, they can investigate this further and provide you with additional ways on how you can remove them.
Here's how you can contact them:
If there's anything else that I can help you with, please let me know by leaving a comment below. I'll only be a post away.