Removing Burp’s CA Certificate from Safari

Open “Keychain Access”.

If “Keychain Access” is not in your dock it can usually be found by opening “Applications” then “Utilities”.

 

In the “Keychain Access” Window select "login" in the left hand side bar.

In the table locate the “PortSwigger CA” certificate and right click.

Click "Delete PortSwigger CA”.

Confirm that the “PortSwigger CA” entry has been removed from the table.

Restart Safari.