Nonetheless, due to backups and records of deletions, it may be impossible to delete a Visitor's entry without retaining some residual information.
Otú ọ dị, n'ihi backups na ndekọ nke deletions, o nwere ike ịbụ-agaghị ekwe omume ka ihichapụ a Visitor si ntinye enweghị retaining ụfọdụ mmapụta ọmụma.