The conflict between Masamoto and Arikazu lasted long afterwards, because the economy of the Kujo family was in a state of collapse, and eventually at New Year in 1496 Masamoto and his son Hisatsune killed Arikazu at their own house.
政基と在数の対立は、九条家経済が破綻状態だっただけに以後も長く続き、ついに明応5年（1496年）正月、政基・尚経父子は自邸において在数を殺害した。