How to remove the Oracle Workspace Manager component from an Oracle database

I have installed a database through dbca, unchecking all the options boxes when going through the setup wizard:

Upon completion, there is still a component left that I do not want to have installed: the Oracle Workspace Manager.

It is registred in the database's registry:

SYS@orcl>SQL>SELECT COMP_NAME,COMP_ID,VERSION,STATUS FROM DBA_REGISTRY;

COMP_NAME                                COMP_ID                        VERSION                        STATUS
---------------------------------------- ------------------------------ ------------------------------ ----------------
Oracle Database Catalog Views            CATALOG                        19.0.0.0.0                     VALID
Oracle Database Packages and Types       CATPROC                        19.0.0.0.0                     VALID
Oracle Real Application Clusters         RAC                            19.0.0.0.0                     OPTION OFF
Oracle XML Database                      XDB                            19.0.0.0.0                     VALID
Oracle Workspace Manager                 OWM                            19.0.0.0.0                     VALID

To remove the OWM component:

SYS@orcl>SQL> @?/rdbms/admin/owmuinst.plb

Session altered.

PL/SQL procedure executed.

PL/SQL procedure executed.

Session altered.

Option is now deinstalled:

SYS@orcl>SQL>SELECT COMP_NAME,COMP_ID,VERSION,STATUS FROM DBA_REGISTRY;

COMP_NAME                                COMP_ID                        VERSION                        STATUS
---------------------------------------- ------------------------------ ------------------------------ ------------------
Oracle Database Catalog Views            CATALOG                        19.0.0.0.0                     VALID
Oracle Database Packages and Types       CATPROC                        19.0.0.0.0                     VALID
Oracle Real Application Clusters         RAC                            19.0.0.0.0                     OPTION OFF
Oracle XML Database                      XDB                            19.0.0.0.0                     VALID

What exactly is the OWM ?

In a nutshell, it's a version tool for data within a schema. It has been around since Oracle 9i

See documentation here

Particulary the whitepaper

Check out Tim Hall's article on oracle-base.com about the subject.