Besides that, Kamo clan, who had been taking over the post of rekihakase by succession in the government office contract system since the Heian period, thanks to its tradition and its experience, began to claim that goryakuso was its exclusive right and began to get the emperor to agree not to involve Abe clan in goryakuso even if they were Onmyonokami (according to "Heikoki" by TAIRA no Tsunetaka on December 5 and 13, 1240).
更に平安時代以来官司請負制のもとで暦博士を世襲してきた賀茂氏はその伝統と実績を背景として御暦奏を同氏の専権として主張するようになり、阿倍氏が陰陽頭であっても関与させないことを朝廷に認めさせるようになった（平経高『平戸記』仁治元年閏10月14日・22日条）。