You can remove role services anytime without deleting the Application Server role itself.
|To remove role services from the Application Server role|
Click Start, and then click Server Manager.
If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Yes.
Under Roles Summary, click Application Server.
Under Summary, click Remove Role Services.
On the Select Role Services page, clear the check boxes for the role services that you want to remove, and then click Next.
Some role services require the removal of supporting features or role services from other roles. If this is the case, you must remove the supporting features or role services from the other roles to remove the role service.
On the Confirm Removal Options page, click Remove to remove the role services that appear on the page. When the removal process is finished, the status of the removal appears on the Removal Results page.