diff --git a/src/newgrf_cargo.h b/src/newgrf_cargo.h
--- a/src/newgrf_cargo.h
+++ b/src/newgrf_cargo.h
@@ -27,6 +27,5 @@ struct GRFFile;
 SpriteID GetCustomCargoSprite(const CargoSpec *cs);
 uint16 GetCargoCallback(CallbackID callback, uint32 param1, uint32 param2, const CargoSpec *cs);
 CargoID GetCargoTranslation(uint8 cargo, const GRFFile *grffile, bool usebit = false);
-uint8 GetReverseCargoTranslation(CargoID cargo, const GRFFile *grffile);
 
 #endif /* NEWGRF_CARGO_H */