But after the Japanese envoy to the Chinese Tang Dynasty ceased in 839, there were hardly any need for the Han pronunciations of Chinese characters in Japan, and as such, Ondo's popularity declined rapidly.
だが、承和(日本)5年（839年）を最後に遣唐使が中絶（寛平6年（894年）廃止）されると、漢音を日本国内で用いる必要性がほとんど失われ、音道は急激に衰退する。