Let me direct you to the appropriate support for help to ensure you can successfully remove your Product Categories, Genco.
Since you've already tried deleting them, I recommend contacting our Live Support team. With the right tools and expertise, they can determine the root cause of this issue and identify the most relevant fix.
- Sign in to your QuickBooks Online account.
- Go to Help and choose the Search tab.
- In the search field, type in contact support.
- Click the Contact Us button.
- Click the Have us call you button in the Callback section.
- Follow the on-screen steps.
Also, please refer to this article to check their support hours: Get help with QuickBooks products and services.
Feel free to return to the Community if you have other questions about removing your Product Categories in QuickBooks. We're here to offer assistance.