If it is an old "Workgroup" name, and none of the computers in the network is still using that name, it should eventually disappear. Windows can be very temperamental about what it shows or doesn't show in My Network Places!
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?