In 755, Moroe was informed that he blamed the Imperial Court in a feast, and as a result, he resigned in the following year and died in frustration in 757.
天平勝宝7歳（755年）、諸兄が酒宴の席で朝廷を誹謗したとの密告があり、翌年諸兄は致仕し、757年失意のうちに死去した。