However, it is also said that Uchitsuomi was not an official post, and as such, he was released of the role when Empress Gensho was succeeded by Prince Obito (Emperor Shomu).
なお、当時、内臣は正式な役職ではなく、元正天皇が首皇子に譲位した時点で任を解かれたとする意見もある。