How to Delete Wi-Fi Network on Mac

To delete a wifi network select your wireless signal in the top right of the menu bar.
click on wireless signal at top right of menu bar

Click on open network preferences.
select open network preferences

Click the advanced button.
Click the advanced button

From the list of preferred networks select the network you’d like to delete.
Select the wifi network you want to delete and click on it

Click the minus sign.
Click the minus sign

Click ok. The network will now be deleted from your computer.
Click ok to confirm deletion