The bakufu had dismissed Tadayoshi and tentatively appointed Osaka Castle keeper Munehide MATSUDAIRA as his successor, but the Imperial court refused to approve the appointment because Munehide was also a Jishabugyo during the Ansei no Taigoku and especially favored by Naosuke II.
幕府は忠義を罷免し、後任として大坂城代松平宗秀を内定したが、宗秀も安政の大獄当時は寺社奉行の任にあり、しかも井伊直弼の信任が非常に厚かったため、朝廷は宗秀の所司代就任にも内諾を与えなかった。