Subsequently, along with the rise of buke (samurai families), their 'shiro' with strategical advantages became important also as their residences, and the original meaning of 'yakata' had changed to become virtually nominal.
その後、武家の台頭とともに戦略上有利な「城」が居館としての役目を持つようになると、「屋形」の持つ意味は実質的には薄れ名目的なものとなった。