During a discussion about secession from the Imperial Family, he took a firm stand against it, because he thought it would take security away from the Family, however he renounced his membership in the Imperial Family in 1947.
戦後の皇籍離脱の論議では、皇室の藩屏が失われるとして反対の論陣を張ったが、昭和22年（1947年）に皇籍離脱。