The kyozo (sutra repository), one of the two azekura-zukuri style warehouses that still exist in the temple, is considered to be have been used as a warehouse in the mansion of Imperial Prince Niitabe, rebuilt at a later date.
寺内に現存する2棟の校倉造倉庫のうち、経蔵は新田部親王宅の倉庫を改造したものと思われる。