However it is said there was another reason (that Akihira had to be demoted from the nobility to subject) which was that Sadaijin (the Minister of the left), MINAMOTO no Kaneakira (Akihira's uncle and former Imperial Prince Kaneakira) returned to the Imperial family on the same day, and he received the position of Nakatsukasakyo (chief of the Ministry of Central Affairs).
だが、もう一つの背景として言われているのは、同じ日に左大臣であった源兼明（昭平の叔父で元の兼明親王）が皇族に復帰して中務卿に遷された点が指摘されている。