But after OE no Asatsuna died three years later and the superintendent was changed to OE no Koretoki, with the Ritsuryo system growing weaker, zeal for the compilation of official histories at court seems to have waned and records of any activity disappear after 969.
しかし、3年後に大江朝綱が死去して別当が大江惟時に代わったころから律令制の弛緩もあって朝廷内の正史編纂への意欲が薄れてきたらしく、安和2年（969年）を最後に活動の記録は見られなくなる。