Remove a certificate template from a certification authority

To remove a certificate template from a certification authority

Open Certification Authority
In the console tree, click Certificate Templates.
In the details pane, right-click the certificate template that you want, and then click Delete.

Notes

To perform this procedure, you must be a member of the Enterprise Admins group or the root domain's Domain Admins group in Active Directory. As a security best practice, consider using Run as to perform this procedure.
To open Certification Authority, click Start, click Run, type certsrv.msc, and then press Enter.