I can see how important the billing info gets out of the screen so you can continue enjoying the benefits of QuickBooks Self-Employed.
A typical browser's cache stores data from previous websites you've visited. However, as it collects information, it might cause display issues in QuickBooks Self-Employed (QBSE). This might be the reason to appears the billing info on your screen.
I suggest logging into your QBSE account using a private browser to see if we get the same thing. Browsing privately disables the cache from saving your browsing data, and it's a good way to check issues caused by a full cache.
Use these keyboard shortcuts based on the browser you're using.
For Internet Explorer of Firefox, press Ctrl + Shift + P.
For Chrome, press Ctrl + Shift + N.
For Safari, hold down Command + Shift + N.
If it works in incognito, clear the cache of your regular browser. Doing this helps QBSE to function more efficiently.