nˈoʊ mˌɪjɐtsˈuːkoʊ wʌz ɐbˈɑːlɪʃt ɪnðə tˈeɪkɚ ɹᵻfˈɔːɹmz ɪn sˈɪkshˈʌndɹɪd fˈoːɹɾi fˈaɪv ænd ðə fˈɔːɹmɚɹ ɐdmˈɪnɪstɹˌeɪɾɪv kˈuːni pɹˈɑːvɪnsᵻz wɜː fˈɔːɹməli ɹɪˈoːɹɡənˌaɪzd ˌʌndɚ ðə ɹˈɪtsɚɹɪˌoʊ sˈɪstəm.
no miyatsuko was abolished in the Taika Reforms in 645 and the former administrative kuni (provinces) were formally reorganized under the Ritsuryō system.