A cluster service can be deleted. Note that the cluster configuration file should be backed up before deleting a service. Refer to Section 8.5 Backing Up and Restoring the Cluster Database for information. To delete a service from the cluster, follow these steps:
If the service is running, disable the service using the Cluster Status Tool (refer to Section 4.3 Disabling a Service).
On the Services tab in the Cluster Configuration Tool, select the name of the service you want to remove and click Delete.
You are prompted to confirm the deletion. To remove the service, click OK.
Choose File => Save to save the change to the /etc/cluster.xml configuration file.