After World War Ⅱ, mining of nickel on Oe-yama mountain range was ended, and so, the industry track between Kaya Station and Oe-yama Mine Station was removed, although the legal procedure of the abolition was put off until the whole operation of Kaya Railway was ended.
戦後、大江山でのニッケル採掘が中止されたため加悦-大江山間の専用線は撤去（ただし、法的には加悦鉄道廃止まで廃止手続きは取られていない）された。