unsetAuthorGuardianProfileUrl
unsetAuthorWitnessProfileUrl
unsetFirstPublicationDate
unsetInternalComposerCode
unsetInternalStoryPackageCode
unsetIsInappropriateForAdverts
unsetIsInappropriateForSponsorship
unsetNewspaperEditionDate
unsetScheduledPublicationDate
unsetShowInRelatedContent
unsetSubscriptionDatabases