He de-emphasized the use of koans due to their apparent historical association with the competing Rinzai school. In 1796 he also had the sangha hall (sōdō, 僧堂) at Eihei-ji rebuilt in imitation of the Song Dynasty structures that Dōgen had described.
To avoid association with the competing Rinzai school, he minimized the use of koans. In 1796, he also oversaw the reconstruction of the sangha hall (sōdō, 僧堂) at Eihei-ji in a style inspired by Song Dynasty architecture as described by Dōgen.