The reasons for his disappearance were said to be that he had not been chosen to serve as a gobunin (member of a retinue) on the occasion of Yoritomo's Udaisho-haiga, a courtesy visit to the Imperial Court to receive the appointment to Udaisho (Major Captain of the Right Division of the Inner Palace Guards), and that his wishes regarding the governance of Suruga Province were not respected.
逐電の理由は、頼朝の右大将拝賀の際に供奉人に選ばれなかったこと、駿河国の国務について希望がかなえられなかったことだという。