cleanup_owner 

This parameter defines the database of objects (that is, tables, indexes, and tablespaces) to be excluded from the BRCONNECT cleanup function.

Syntax: cleanup_owner = <owner>|(<owner_list>)

Default: SAPR3/SAP<SID> in a standard SAP database or all SAP owners in a multi-schema database

You can use this parameter to limit the cleanup to objects of selected SAP owners (that is, systems).