Kanenaga was said to have died of disease in Yabe-mura, Chikugo Province after he ceded the post of seisei shogun to the Imperial Prince Yoshinari (prince of Emperor Gomurakami).
懐良は征西将軍の職を良成親王（後村上天皇皇子）に譲り筑後国矢部村で病没したと伝えられる。