diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -4,6 +4,7 @@
 
 #include "stdafx.h"
 #include "openttd.h"
+#include "aircraft.h"
 #include "bridge_map.h"
 #include "debug.h"
 #include "functions.h"
@@ -72,9 +73,6 @@ DEFINE_OLD_POOL(Station, Station, Statio
 DEFINE_OLD_POOL(RoadStop, RoadStop, RoadStopPoolNewBlock, NULL)
 
 
-extern void UpdateAirplanesOnNewStation(Station *st);
-
-
 RoadStop* GetRoadStopByTile(TileIndex tile, RoadStop::Type type)
 {
 	const Station* st = GetStationByTile(tile);