(n.) The act of making antiquated, or the state of being antiquated.

abandonment abjure absentation antiquation casting away cessation come off cut out desist desuetude discontinue drop evacuation fogyishness forsaking give over give up have done with jettison jettisoning leave off leaving let go nol-pros not pursue with old-fashionedness old-fogyishness out-of-dateness pulling out put behind one quit relinquish renounce resign staleness stodginess stop stuffiness superannuation throwing overboard unfashionableness waive withdrawal