# File lib/rhc/rest/mock.rb, line 835
    def delete_certificate
      if (client.api_version_negotiated >= 1.4)
        @has_private_ssl_certificate = false
        @certificate_added_at = nil
      else
        raise RHC::Rest::SslCertificatesNotSupported, "The server does not support SSL certificates for custom aliases."
      end
    end