unsetAuthorGuardianProfileUrl
unsetAuthorWitnessProfileUrl
unsetContentChangeDetails
unsetDateSolutionAvailable
unsetFirstPublicationDate
unsetInternalComposerCode
unsetInternalStoryPackageCode
unsetIsInappropriateForAdverts
unsetIsInappropriateForSponsorship
unsetNewspaperEditionDate
unsetRevisionSeenByPorter
unsetScheduledPublicationDate
unsetShowInRelatedContent
unsetSubscriptionDatabases