diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -3,30 +3,19 @@
 /** @file ship_cmd.cpp Handling of ships. */
 
 #include "stdafx.h"
-#include "openttd.h"
 #include "ship.h"
-#include "tile_cmd.h"
 #include "landscape.h"
 #include "timetable.h"
 #include "command_func.h"
 #include "pathfind.h"
 #include "station_map.h"
-#include "station_base.h"
 #include "news_func.h"
-#include "engine_func.h"
-#include "engine_base.h"
 #include "company_func.h"
-#include "company_base.h"
 #include "npf.h"
 #include "depot_base.h"
-#include "depot_func.h"
 #include "vehicle_gui.h"
 #include "newgrf_engine.h"
-#include "water_map.h"
 #include "yapf/yapf.h"
-#include "debug.h"
-#include "newgrf_callbacks.h"
-#include "newgrf_text.h"
 #include "newgrf_sound.h"
 #include "spritecache.h"
 #include "strings_func.h"
@@ -38,9 +27,8 @@
 #include "variables.h"
 #include "autoreplace_gui.h"
 #include "gfx_func.h"
+#include "effectvehicle_func.h"
 #include "settings_type.h"
-#include "order_func.h"
-#include "effectvehicle_func.h"
 #include "ai/ai.hpp"
 
 #include "table/strings.h"