How to remove Siebel Server 7.8 from Siebel Enterprise

I need to remove 2 servers from existing Siebel 7.8 Enterprise server running Windows 2008 OS. In reviewing information on how to remove from Siebel Enterprise Gateway Server. I have found "How can srvredit be used to delete a Siebel Server or Enterprise from the Gateway? ( Doc ID 476126.1 )

You can use srvredit, a command-line utility, to remove a Siebel Server or to remove a Siebel Enterprise, as illustrated in the following procedures.

To uninstall Siebel Server

• Enter: srvredit -g SiebelGateway -e SiebelEnterprise -s SiebelServer -x \$Server The following server command is unable to remove Siebel Servers from Enterprise. Let me know if another way exists without uninstalling and installing the Siebel Enterprise Server.