su·per·an·nu·ate 
(s′pər-ăny-āt′)
(s′pər-ăny-āt′)tr.v. su·per·an·nu·at·ed, su·per·an·nu·at·ing, su·per·an·nu·ates
1. To retire (someone) on a pension because of age or infirmity.
2. To set aside or discard as old-fashioned or obsolete.
[Back-formation from SUPERANNUATED.]