How to remove a wifi network from a Mac

1. Click on the wifi icon located in the upper right corner of the task bar and click on W-Fi Settings.
   
   

   

   
   
2. Under Known Networks, click on the three dots all the way to the right of RISD-WIFI.
   
   

   

   
   
3. Click on Forget This Network.
   
   

   

4. Click on Remove.