outdated

adjective
  1. No longer in use or no longer useful; obsolete. adjective
    The computer system is outdated and needs to be replaced.
    His ideas about education are outdated and do not reflect current practices.
  2. Not currently fashionable or popular; out of date. adjective
    The fashion magazine declared that bell-bottom jeans are outdated.
    She wore an outdated dress that was popular in the 1980s.