You cannot just remove services at random. You need to figure out the dependencies and remove them as well. In case some of the dependencies are core, you wont be able to remove them. But yes, removing the SARs is all that is required to remove services
hum.., thanks fro the tip, but I have a custumer that have a Jboss that will only had a webapp and this app will use a remote EJB in other Jboss and I'd like to able only the Servlet Container (I think he won't use only a tomcat).