While it's strongly advised to maintain an active SSL certificate on your website at all times, there might be situations where you need to uninstall it. For instance, to reinstall a certificate or install a custom SSL certificate.
To temporarily disable HTTPS and make your website accessible via HTTP, you can unforce HTTPS instead.
To uninstall a certificate, go to Websites → Dashboard → Security, and click on SSL. There, locate the SSL for the domain or subdomain you wish to remove, click on the options button ( ⋮ ), and select Uninstall:
After uninstalling, your domain will appear on the list to install a new SSL, and your website will only be accessible via HTTP, for example http://domain.tld.
NOTE
After uninstalling the SSL, attempting to open the website using HTTPS (e.g.
https://domain.tld) will result in an error, and the website will not be displayed.