It was the second shogun Hidetada TOKUGAWA who forcefully conducted Masanori's kaieki (sudden dismissal and deprivation of position, privileges and properties), and leaders of the bakufu, such as Toshikatsu and Masazumi, were actually hesitant as they feared that it may cause rebellion of daimyo.
最終的に改易を強行したのは2代将軍・徳川秀忠だが、利勝や正純ら幕府首脳はむしろ正則の改易が諸大名の反抗に繋がることを恐れ、処分に及び腰であった。