However, during the Edo period, the Edo bakufu attempted to introduce the strict head-branch system into all the Buddhist temples; for that reason, the bakufu denied Ikkoshu's independence as a sect, integrated it with the Jishu sect, founded by Ippen, with Shojoko-ji Temple as its head temple (because the Ikkoshu also practiced Odorinenbutsu as the Jishu sect did), and thereafter prohibited the people from using the name 'Ikkoshu.'
ところが、江戸時代に入ると、江戸幕府は本末制度の徹底化のために一向の流派を独立した宗派とは認めず同じ踊り念仏という事で、清浄光寺を総本山とする一遍を祖とする時宗の管轄下に置かれて「一向宗」の呼称を用いる事を禁じられた。