Even if you do not link to the printer, its setup stays. You can erase the printer from the MacBook's setup if you not desire to utilize it.
How to Delete a Printer From Mac.
1. Click the "System Preferences" icon in the Dock.
2. Click "Print & Scan."
3. Click in the left column of the window to choose the preferred printer.
4. Click the minus indication at the bottom of the left column to eliminate the printer from the MacBook's setup. How to Delete a Printer From Mac.
Click here for more info: