Okubo and Saigo plotted the disempowerment of the Tokugawa Family at the occasion of the Decree for the Restoration of Imperial Rule by demanding Yoshinobu to jikan (resign the government post as the Minister of the Center) and nochi (return the Tokugawa land to the Emperor) by issuance of an Imperial order, but faced protest from Yodo YAMAUCHI and Shungaku MATSUDAIRA, both legislature, so the consideration was suspended until Kogosho Conference.
大久保や西郷としては、王政復古の大号令の際に、慶喜の辞官（内大臣の辞職）・納地（徳川家領の返上）の勅命を出させ、徳川家を無力化させることを企図していたが、議定山内容堂・松平春嶽らの抵抗により、審議は小御所会議にずれ込んだ。