Old router still shows up in network infrastructure

Hello, I recently upgraded my old Wirless G/10/100 network with a wireless N/gigabit network by replacing the router, adding two gigabit switches, and adding another router configured as a wired WAP. The network is working great but there is a nagging issue. In Windows 7, the old router "WRT110" still shows up under "network infrastructure". I can't figure out how to remove it. I have...