Ujinobu was removed by the bakufu from the position of shugo in 1368 and the clans of Ashikaga side, such as the Imagawa clan and the Hosokawa clan, served as shugo.
しかし氏信は1368年（応安元年）に幕府によって守護職を解任され、以降安芸守護職は今川氏や細川氏等の足利一門が担った。