Delete the SSL certificate from domain on Plesk
The SSL (Secure Socket Layer) certificate provides an encrypted connection between your web server and your visitor’s web server. SSL is essentially secure your website and product sensitivity information like credit card, transaction information and login details(Username and password) etc.
SSL provides the trust of your visitor’s and makes sure visitors know when their connection is secured. The SSL certificate activation and delete process very simple on Plesk.
The following command is used to delete an SSL certificate from administrator’s or domain’s repository.
certificate.exe --remove "Site Certificate" -domain example.com
or
certificate.exe -r "Site Certificate" -domain example.com