A quick search resulted in these:
To stop using a printer with your Mac, you delete it from your list of printers using Printers & Scanners preferences.
support.apple.com
and
On your Mac, set up printers and scanners, check ink levels, monitor print jobs and more.
support.apple.com
I'm running Mojave so can't check definitively for you. In Mojave there's a + and - option for adding and deleting items from the print/scan preference list.