However, he retired on April 10, 1787 after seven years of reign, and let his adopted son Masatsuna KUTSUKI to succeed and died on October 29, which was soon after his retirement; therefore, he could not accomplish much.
しかし、在位7年後の天明7年（1787年）2月22日に隠居して家督を養子の朽木昌綱に譲り、直後の9月19日に福知山で死去したため、十分な成果を挙げることはなかった。