During the Heian period, in 792 during the reign of Emperor Kanmu, the Kondei-no-sei (national militant organization) was established which abolished legions and troops, and the Imperial Court, which placed importance on the quantity rather than the quality of soldiers for national defense, postponed the abolition of sakimori.
平安時代に入り、桓武天皇の792年に健児の制が成立して軍団、兵士が廃止され、国土防衛のため兵士の質よりも数を重視した朝廷は防人廃止を先送りした。