diff --git a/src/newgrf_station.h b/src/newgrf_station.h
index 8f3bb6dcec..eff76e57df 100644
--- a/src/newgrf_station.h
+++ b/src/newgrf_station.h
@@ -79,13 +79,12 @@ struct StationResolverObject : public ResolverObject {
 	const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const override;
 };
 
-enum StationClassID {
+enum StationClassID : byte {
 	STAT_CLASS_BEGIN = 0,    ///< the lowest valid value
 	STAT_CLASS_DFLT = 0,     ///< Default station class.
 	STAT_CLASS_WAYP,         ///< Waypoint class.
-	STAT_CLASS_MAX = 256,    ///< Maximum number of classes.
+	STAT_CLASS_MAX = 255,    ///< Maximum number of classes.
 };
-typedef SimpleTinyEnumT<StationClassID, byte> StationClassIDByte;
 template <> struct EnumPropsT<StationClassID> : MakeEnumPropsT<StationClassID, byte, STAT_CLASS_BEGIN, STAT_CLASS_MAX, STAT_CLASS_MAX, 8> {};
 
 /** Allow incrementing of StationClassID variables */