He was assigned to the Tomioka-jo Castle, where he questioned the necessity of the castle and demolished the castle keep and the secondary enclosure of the castle, leaving only the outermost outworks of the castle as the regional government office in 1670.
富岡城に赴任したが、寛文10年（1670年）城の必要性を疑問視し三の丸を陣屋として残し、本丸・二の丸を破却した。