As senmin were incorporated into heimin, some inherent heimin opposed this act, resulting in an ikki uprising in Okayama Prefecture to protest the treatment of the former senmin as heimin.
賎民も平民に組み入れられたが、本来の平民からは反発する者が続出し岡山県では旧賎民の平民扱いに反対する一揆も起きた。