memory hole
mechanism for the alteration or disappearance of inconvenient or embarrassing documents, photographs, transcripts or other records
en-GB/mɛməɹiː ˈhəʊl/
en-US/ˈmɛmɚi ˈhoʊl/
mechanism for the alteration or disappearance of inconvenient or embarrassing documents, photographs, transcripts or other records