In 1631, he confiscated Tadanaga's territories and placed him under house arrest, but around that time, he became indisposed and he died in early 1632.
寛永8年（1631年）には忠長の領地を召し上げて蟄居を命じるが、このころから体調を崩し、翌寛永9年（1632年）年初めに亡くなった。