In 1718, the Tozokuarateme post and the Hituskearatame post were integrated into the "Hitsuke-tozoku-aratame" post, with the post assumed by Sente-gashira (the head of sentegumi (a group of persons guarding Edo) additionally.
1718年（享保3年）には、盗賊改と火付改は、「火付盗賊改」に一本化されて先手頭の加役となった。