Dropping a Compatibility Role

All compatibility roles, with the exception of SYS_AUTH_SA_ROLE and SYS_AUTH_SSO_ROLE can be dropped. SYS_AUTH_SA_ROLE and SYS_AUTH_SSO_ROLE are automatically dropped when SYS_AUTH_DBA_ROLE is dropped.

Prerequisites
Task
The WITH REVOKE clause is only required when dropping a compatibility role that is currently granted to users or roles. You can re-create any dropped compatibility role. See Re-creating Compatibility Roles.
To delete a compatibility role, execute one of these statements:
Drop Condition Statement
Compatibility role not currently granted to any user or role. DROP ROLE role_name*
Compatibility role currently granted to users or roles. DROP ROLE role_name* WITH REVOKE
*role_name cannot be SYS_AUTH_SA_ROLE or SYS_AUTH_SSO_ROLE.
Related tasks
Re-creating a Compatibility Role