Removing Dell branding

Removing Dell branding  after DMC install on NS 7.0 was done by this query:

UPDATE Item SET ModifiedDate = ( select getdate() )
WHERE Guid = (    SELECT Item.Guid
                        FROM Item
                        Join ItemClass ON Item.Guid = ItemClass.Guid
                        WHERE ItemClass.ClassGuid = '1f768417-511a-4c22-afbc-4a66720f793a'
                        and Item.Name like 'Default%' )