diff --git a/src/ai/ai_core.cpp b/src/ai/ai_core.cpp
index b6c072500f..b03e2a5ae8 100644
--- a/src/ai/ai_core.cpp
+++ b/src/ai/ai_core.cpp
@@ -14,7 +14,6 @@
 #include "../core/bitmath_func.hpp"
 #include "../company_base.h"
 #include "../company_func.h"
-#include "../debug.h"
 #include "../network/network.h"
 #include "../window_func.h"
 #include "../command_func.h"
diff --git a/src/ai/ai_gui.cpp b/src/ai/ai_gui.cpp
index d52d00f5c8..3cfee3f6a5 100644
--- a/src/ai/ai_gui.cpp
+++ b/src/ai/ai_gui.cpp
@@ -13,7 +13,6 @@
 #include "../openttd.h"
 #include "../table/sprites.h"
 #include "../gui.h"
-#include "../window_gui.h"
 #include "../querystring_gui.h"
 #include "../company_func.h"
 #include "../company_base.h"
@@ -23,7 +22,6 @@
 #include "../gfx_func.h"
 #include "../command_func.h"
 #include "../network/network.h"
-#include "../textbuf_gui.h"
 #include "../settings_func.h"
 #include "../network/network_content.h"
 #include "../core/backup_type.hpp"
diff --git a/src/ai/ai_info.cpp b/src/ai/ai_info.cpp
index 8ee4d4499b..ff5dca946b 100644
--- a/src/ai/ai_info.cpp
+++ b/src/ai/ai_info.cpp
@@ -11,8 +11,6 @@
 
 #include "../stdafx.h"
 
-#include <squirrel.h>
-#include "../script/squirrel.hpp"
 #include "../script/squirrel_helper.hpp"
 #include "ai_info.hpp"
 #include "ai_scanner.hpp"
diff --git a/src/ai/ai_instance.cpp b/src/ai/ai_instance.cpp
index 0922405ce0..80cc06a7f0 100644
--- a/src/ai/ai_instance.cpp
+++ b/src/ai/ai_instance.cpp
@@ -14,9 +14,6 @@
 #include "../saveload/saveload.h"
 #include "../gui.h"
 
-#include <squirrel.h>
-#include "../script/squirrel.hpp"
-#include "../script/squirrel_helper.hpp"
 #include "../script/squirrel_class.hpp"
 
 #include "ai_config.hpp"
diff --git a/src/ai/ai_scanner.cpp b/src/ai/ai_scanner.cpp
index 7aea4a4cbf..e6c2e87e7a 100644
--- a/src/ai/ai_scanner.cpp
+++ b/src/ai/ai_scanner.cpp
@@ -15,9 +15,6 @@
 #include "../network/network.h"
 #include "../core/random_func.hpp"
 
-#include <squirrel.h>
-#include "../script/squirrel.hpp"
-#include "../script/squirrel_helper.hpp"
 #include "../script/squirrel_class.hpp"
 #include "ai_info.hpp"
 #include "ai_scanner.hpp"
diff --git a/src/ai/api/ai_basestation.cpp b/src/ai/api/ai_basestation.cpp
index 137829cf8b..30089609cb 100644
--- a/src/ai/api/ai_basestation.cpp
+++ b/src/ai/api/ai_basestation.cpp
@@ -11,7 +11,6 @@
 
 #include "ai_basestation.hpp"
 #include "../../station_base.h"
-#include "../../command_func.h"
 #include "../../string_func.h"
 #include "../../strings_func.h"
 #include "../../company_func.h"
diff --git a/src/ai/api/ai_gamesettings.cpp b/src/ai/api/ai_gamesettings.cpp
index 8f7c3eaef2..7b3d6d01a7 100644
--- a/src/ai/api/ai_gamesettings.cpp
+++ b/src/ai/api/ai_gamesettings.cpp
@@ -11,7 +11,6 @@
 
 #include "ai_gamesettings.hpp"
 #include "../../settings_internal.h"
-#include "../../economy_func.h"
 
 /* static */ bool AIGameSettings::IsValid(const char *setting)
 {
diff --git a/src/ai/api/ai_industrytype.cpp b/src/ai/api/ai_industrytype.cpp
index 0b6e00552e..43bd433225 100644
--- a/src/ai/api/ai_industrytype.cpp
+++ b/src/ai/api/ai_industrytype.cpp
@@ -11,7 +11,6 @@
 
 #include "ai_industrytype.hpp"
 #include "ai_map.hpp"
-#include "../../command_type.h"
 #include "../../strings_func.h"
 #include "../../industry.h"
 #include "../../newgrf_industries.h"
diff --git a/src/ai/api/ai_marine.cpp b/src/ai/api/ai_marine.cpp
index 3890d2108d..b9e2b18de2 100644
--- a/src/ai/api/ai_marine.cpp
+++ b/src/ai/api/ai_marine.cpp
@@ -13,7 +13,6 @@
 #include "ai_station.hpp"
 #include "../../station_base.h"
 #include "../../tile_cmd.h"
-#include "../../economy_func.h"
 
 
 /* static */ bool AIMarine::IsWaterDepotTile(TileIndex tile)
diff --git a/src/ai/api/ai_object.cpp b/src/ai/api/ai_object.cpp
index 02f9e734b4..f003749548 100644
--- a/src/ai/api/ai_object.cpp
+++ b/src/ai/api/ai_object.cpp
@@ -10,7 +10,6 @@
 /** @file ai_object.cpp Implementation of AIObject. */
 
 #include "../../stdafx.h"
-#include <squirrel.h>
 #include "../../script/squirrel.hpp"
 #include "../../company_base.h"
 
diff --git a/src/ai/api/ai_rail.cpp b/src/ai/api/ai_rail.cpp
index e10cdb4dfa..45cc78a3ac 100644
--- a/src/ai/api/ai_rail.cpp
+++ b/src/ai/api/ai_rail.cpp
@@ -13,14 +13,12 @@
 #include "ai_map.hpp"
 #include "ai_station.hpp"
 #include "ai_industrytype.hpp"
-#include "../../command_type.h"
 #include "../../debug.h"
 #include "../../station_base.h"
 #include "../../company_func.h"
 #include "../../newgrf.h"
 #include "../../newgrf_generic.h"
 #include "../../newgrf_station.h"
-#include "../../economy_func.h"
 
 /* static */ bool AIRail::IsRailTile(TileIndex tile)
 {
diff --git a/src/ai/api/ai_road.cpp b/src/ai/api/ai_road.cpp
index b03efd8c9e..7cfa2c1cd0 100644
--- a/src/ai/api/ai_road.cpp
+++ b/src/ai/api/ai_road.cpp
@@ -13,7 +13,6 @@
 #include "ai_station.hpp"
 #include "ai_cargo.hpp"
 #include "../../station_base.h"
-#include "../../command_type.h"
 #include "../../company_func.h"
 #include "../../script/squirrel_helper_type.hpp"
 
diff --git a/src/ai/api/ai_town.cpp b/src/ai/api/ai_town.cpp
index 37b9b84d6e..05615e485b 100644
--- a/src/ai/api/ai_town.cpp
+++ b/src/ai/api/ai_town.cpp
@@ -14,7 +14,6 @@
 #include "ai_cargo.hpp"
 #include "ai_error.hpp"
 #include "../../town.h"
-#include "../../town_type.h"
 #include "../../strings_func.h"
 #include "../../company_func.h"
 #include "../../station_base.h"
diff --git a/src/ai/api/ai_vehicle.cpp b/src/ai/api/ai_vehicle.cpp
index a816c73f1a..e62cb585be 100644
--- a/src/ai/api/ai_vehicle.cpp
+++ b/src/ai/api/ai_vehicle.cpp
@@ -15,14 +15,12 @@
 #include "ai_group.hpp"
 #include "../ai_instance.hpp"
 #include "../../company_func.h"
-#include "../../aircraft.h"
 #include "../../string_func.h"
 #include "../../strings_func.h"
 #include "../../command_func.h"
 #include "../../roadveh.h"
 #include "../../train.h"
 #include "../../vehicle_func.h"
-#include "../../engine_base.h"
 #include "table/strings.h"
 
 /* static */ bool AIVehicle::IsValidVehicle(VehicleID vehicle_id)
diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
index 511df3aebb..48c6f5fe1d 100644
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -14,7 +14,6 @@
 
 #include "stdafx.h"
 #include "aircraft.h"
-#include "debug.h"
 #include "landscape.h"
 #include "news_func.h"
 #include "vehicle_gui.h"
@@ -30,18 +29,15 @@
 #include "functions.h"
 #include "cheat_type.h"
 #include "company_base.h"
-#include "autoreplace_gui.h"
 #include "ai/ai.hpp"
 #include "company_func.h"
 #include "effectvehicle_func.h"
 #include "station_base.h"
 #include "engine_base.h"
-#include "engine_func.h"
 #include "core/random_func.hpp"
 #include "core/backup_type.hpp"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 
 void Aircraft::UpdateDeltaXY(Direction direction)
 {
diff --git a/src/aircraft_gui.cpp b/src/aircraft_gui.cpp
index 35d0b91045..08c9f8a88c 100644
--- a/src/aircraft_gui.cpp
+++ b/src/aircraft_gui.cpp
@@ -18,7 +18,6 @@
 #include "window_gui.h"
 #include "spritecache.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 /**
diff --git a/src/airport.cpp b/src/airport.cpp
index 9ba518375d..165a330170 100644
--- a/src/airport.cpp
+++ b/src/airport.cpp
@@ -10,13 +10,6 @@
 /** @file airport.cpp Functions related to airports. */
 
 #include "stdafx.h"
-#include "debug.h"
-#include "airport.h"
-#include "map_type.h"
-#include "core/alloc_func.hpp"
-#include "date_func.h"
-#include "settings_type.h"
-#include "newgrf_airport.h"
 #include "station_base.h"
 #include "table/strings.h"
 #include "table/airport_movement.h"
diff --git a/src/airport_gui.cpp b/src/airport_gui.cpp
index 95250a7c34..c518a63b72 100644
--- a/src/airport_gui.cpp
+++ b/src/airport_gui.cpp
@@ -13,12 +13,10 @@
 #include "window_gui.h"
 #include "station_gui.h"
 #include "terraform_gui.h"
-#include "airport.h"
 #include "sound_func.h"
 #include "window_func.h"
 #include "strings_func.h"
 #include "viewport_func.h"
-#include "gfx_func.h"
 #include "company_func.h"
 #include "tilehighlight_func.h"
 #include "company_base.h"
@@ -30,7 +28,6 @@
 #include "hotkeys.h"
 #include "sprite.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 static AirportClassID _selected_airport_class; ///< the currently visible airport class
diff --git a/src/articulated_vehicles.cpp b/src/articulated_vehicles.cpp
index 40581143a3..a8c9b9f3a1 100644
--- a/src/articulated_vehicles.cpp
+++ b/src/articulated_vehicles.cpp
@@ -12,9 +12,7 @@
 #include "stdafx.h"
 #include "train.h"
 #include "roadveh.h"
-#include "newgrf_engine.h"
 #include "vehicle_func.h"
-#include "engine_base.h"
 #include "engine_func.h"
 
 #include "table/strings.h"
diff --git a/src/autoreplace_cmd.cpp b/src/autoreplace_cmd.cpp
index 6341c7b1b3..17860e8bf8 100644
--- a/src/autoreplace_cmd.cpp
+++ b/src/autoreplace_cmd.cpp
@@ -12,9 +12,7 @@
 #include "stdafx.h"
 #include "company_func.h"
 #include "train.h"
-#include "rail.h"
 #include "command_func.h"
-#include "engine_base.h"
 #include "engine_func.h"
 #include "vehicle_func.h"
 #include "functions.h"
diff --git a/src/bridge_gui.cpp b/src/bridge_gui.cpp
index 1bc23a327b..4b55a0e4b6 100644
--- a/src/bridge_gui.cpp
+++ b/src/bridge_gui.cpp
@@ -12,7 +12,6 @@
 #include "stdafx.h"
 #include "gui.h"
 #include "command_func.h"
-#include "economy_func.h"
 #include "bridge.h"
 #include "rail.h"
 #include "strings_func.h"
diff --git a/src/build_vehicle_gui.cpp b/src/build_vehicle_gui.cpp
index a743c987ef..7c953a5ab8 100644
--- a/src/build_vehicle_gui.cpp
+++ b/src/build_vehicle_gui.cpp
@@ -29,7 +29,6 @@
 #include "engine_gui.h"
 #include "cargotype.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 /**
diff --git a/src/command.cpp b/src/command.cpp
index 7aaaaf3431..08ece97e59 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -23,7 +23,6 @@
 #include "functions.h"
 #include "town.h"
 #include "date_func.h"
-#include "debug.h"
 #include "company_func.h"
 #include "company_base.h"
 #include "signal_func.h"
diff --git a/src/company_cmd.cpp b/src/company_cmd.cpp
index 2e0917d502..77a888876c 100644
--- a/src/company_cmd.cpp
+++ b/src/company_cmd.cpp
@@ -25,7 +25,6 @@
 #include "company_manager_face.h"
 #include "window_func.h"
 #include "strings_func.h"
-#include "gfx_func.h"
 #include "date_func.h"
 #include "sound_func.h"
 #include "rail.h"
diff --git a/src/company_gui.cpp b/src/company_gui.cpp
index ea1785c39e..273dea524a 100644
--- a/src/company_gui.cpp
+++ b/src/company_gui.cpp
@@ -19,7 +19,6 @@
 #include "network/network.h"
 #include "network/network_gui.h"
 #include "network/network_func.h"
-#include "economy_func.h"
 #include "vehicle_func.h"
 #include "newgrf.h"
 #include "company_manager_face.h"
@@ -30,7 +29,8 @@
 #include "sprite.h"
 #include "company_base.h"
 #include "core/geometry_func.hpp"
-#include "object.h"
+#include "economy_func.h"
+#include "object_type.h"
 
 #include "table/strings.h"
 
diff --git a/src/console_cmds.cpp b/src/console_cmds.cpp
index 1c276ffb59..c047340dd9 100644
--- a/src/console_cmds.cpp
+++ b/src/console_cmds.cpp
@@ -30,7 +30,6 @@
 #include "date_func.h"
 #include "vehicle_func.h"
 #include "company_func.h"
-#include "company_base.h"
 #include "gamelog.h"
 #include "ai/ai.hpp"
 #include "ai/ai_config.hpp"
diff --git a/src/date.cpp b/src/date.cpp
index 4b8111b6a8..d8d2cc5ef5 100644
--- a/src/date.cpp
+++ b/src/date.cpp
@@ -17,7 +17,6 @@
 #include "settings_type.h"
 #include "date_func.h"
 #include "vehicle_base.h"
-#include "debug.h"
 #include "rail_gui.h"
 #include "saveload/saveload.h"
 
diff --git a/src/depot_gui.cpp b/src/depot_gui.cpp
index 22b70ccd73..b480016944 100644
--- a/src/depot_gui.cpp
+++ b/src/depot_gui.cpp
@@ -10,7 +10,6 @@
 /** @file depot_gui.cpp The GUI for depots. */
 
 #include "stdafx.h"
-#include "engine_base.h"
 #include "train.h"
 #include "ship.h"
 #include "aircraft.h"
@@ -21,7 +20,6 @@
 #include "command_func.h"
 #include "depot_base.h"
 #include "vehicle_gui.h"
-#include "newgrf_engine.h"
 #include "spritecache.h"
 #include "strings_func.h"
 #include "window_func.h"
@@ -33,7 +31,6 @@
 #include "order_backup.h"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 
 /*
  * Since all depot window sizes aren't the same, we need to modify sizes a little.
diff --git a/src/disaster_cmd.cpp b/src/disaster_cmd.cpp
index 803a09854b..7e86c0db3e 100644
--- a/src/disaster_cmd.cpp
+++ b/src/disaster_cmd.cpp
@@ -25,7 +25,6 @@
 
 
 #include "stdafx.h"
-#include "landscape.h"
 
 #include "industry.h"
 #include "station_base.h"
@@ -46,7 +45,6 @@
 #include "core/backup_type.hpp"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 
 /** Delay counter for considering the next disaster. */
 uint16 _disaster_delay;
diff --git a/src/dock_gui.cpp b/src/dock_gui.cpp
index 88d3ebcb8a..069fd3bbbe 100644
--- a/src/dock_gui.cpp
+++ b/src/dock_gui.cpp
@@ -11,7 +11,6 @@
 
 #include "stdafx.h"
 #include "openttd.h"
-#include "tile_map.h"
 #include "terraform_gui.h"
 #include "window_gui.h"
 #include "station_gui.h"
diff --git a/src/economy.cpp b/src/economy.cpp
index 69de8c089f..628970b39a 100644
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -22,7 +22,6 @@
 #include "aircraft.h"
 #include "train.h"
 #include "newgrf_cargo.h"
-#include "newgrf_engine.h"
 #include "newgrf_sound.h"
 #include "newgrf_industries.h"
 #include "newgrf_industrytiles.h"
@@ -46,11 +45,9 @@
 #include "economy_base.h"
 #include "core/pool_func.hpp"
 #include "newgrf.h"
-#include "engine_base.h"
 #include "core/backup_type.hpp"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 #include "table/pricebase.h"
 
 
diff --git a/src/elrail.cpp b/src/elrail.cpp
index 9137efc639..5457ca0b23 100644
--- a/src/elrail.cpp
+++ b/src/elrail.cpp
@@ -57,18 +57,14 @@
 #include "stdafx.h"
 #include "station_map.h"
 #include "viewport_func.h"
-#include "landscape.h"
 #include "train.h"
 #include "rail_gui.h"
 #include "tunnelbridge_map.h"
 #include "tunnelbridge.h"
 #include "elrail_func.h"
-#include "engine_base.h"
 #include "company_base.h"
-#include "rail.h"
 #include "newgrf_railtype.h"
 
-#include "table/sprites.h"
 #include "table/elrail_data.h"
 
 static inline TLG GetTLG(TileIndex t)
diff --git a/src/fios.cpp b/src/fios.cpp
index aa26298948..a528d5e27f 100644
--- a/src/fios.cpp
+++ b/src/fios.cpp
@@ -14,7 +14,6 @@
 
 #include "stdafx.h"
 #include "openttd.h"
-#include "core/sort_func.hpp"
 #include "fios.h"
 #include "fileio_func.h"
 #include "tar_type.h"
diff --git a/src/fios.h b/src/fios.h
index 89fa870ab7..1a1d9cdf82 100644
--- a/src/fios.h
+++ b/src/fios.h
@@ -12,13 +12,7 @@
 #ifndef FIOS_H
 #define FIOS_H
 
-#include "strings_type.h"
-#include "core/smallvec_type.hpp"
-#include "core/smallmap_type.hpp"
-#include "core/enum_type.hpp"
 #include "gfx_type.h"
-#include "date_type.h"
-#include "settings_type.h"
 #include "company_base.h"
 #include "newgrf_config.h"
 
diff --git a/src/gamelog.cpp b/src/gamelog.cpp
index 6e98be1e44..54fd44b2e3 100644
--- a/src/gamelog.cpp
+++ b/src/gamelog.cpp
@@ -12,7 +12,6 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "saveload/saveload.h"
-#include "core/alloc_func.hpp"
 #include "string_func.h"
 #include "settings_type.h"
 #include "gamelog_internal.h"
diff --git a/src/genworld.cpp b/src/genworld.cpp
index 0e920af8be..7867a34287 100644
--- a/src/genworld.cpp
+++ b/src/genworld.cpp
@@ -14,7 +14,6 @@
 #include "landscape.h"
 #include "company_func.h"
 #include "thread/thread.h"
-#include "command_func.h"
 #include "genworld.h"
 #include "gfxinit.h"
 #include "window_func.h"
diff --git a/src/genworld_gui.cpp b/src/genworld_gui.cpp
index a8232b307e..d0010b121e 100644
--- a/src/genworld_gui.cpp
+++ b/src/genworld_gui.cpp
@@ -15,7 +15,6 @@
 #include "debug.h"
 #include "genworld.h"
 #include "network/network.h"
-#include "newgrf_config.h"
 #include "strings_func.h"
 #include "window_func.h"
 #include "date_func.h"
diff --git a/src/gfx.cpp b/src/gfx.cpp
index 75fca70d12..51778a70cb 100644
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -18,7 +18,6 @@
 #include "video/video_driver.hpp"
 #include "strings_func.h"
 #include "settings_type.h"
-#include "landscape_type.h"
 #include "network/network.h"
 #include "network/network_func.h"
 #include "thread/thread.h"
diff --git a/src/gfxinit.cpp b/src/gfxinit.cpp
index 7cfb6eddfe..ae4eec92e1 100644
--- a/src/gfxinit.cpp
+++ b/src/gfxinit.cpp
@@ -15,7 +15,6 @@
 #include "3rdparty/md5/md5.h"
 #include "fontcache.h"
 #include "gfx_func.h"
-#include "settings_type.h"
 
 /* The type of set we're replacing */
 #define SET_TYPE "graphics"
diff --git a/src/ground_vehicle.cpp b/src/ground_vehicle.cpp
index 0ea7cef8b2..b3f2002002 100644
--- a/src/ground_vehicle.cpp
+++ b/src/ground_vehicle.cpp
@@ -12,8 +12,6 @@
 #include "stdafx.h"
 #include "train.h"
 #include "roadveh.h"
-#include "ground_vehicle.hpp"
-#include "window_type.h"
 #include "vehicle_gui.h"
 #include "window_func.h"
 
diff --git a/src/group_cmd.cpp b/src/group_cmd.cpp
index d10c24f9d4..9b954d6b46 100644
--- a/src/group_cmd.cpp
+++ b/src/group_cmd.cpp
@@ -14,7 +14,6 @@
 #include "command_func.h"
 #include "group.h"
 #include "train.h"
-#include "engine_base.h"
 #include "vehicle_gui.h"
 #include "window_func.h"
 #include "vehicle_func.h"
diff --git a/src/group_gui.cpp b/src/group_gui.cpp
index ba08bb3015..e919ef6f61 100644
--- a/src/group_gui.cpp
+++ b/src/group_gui.cpp
@@ -21,7 +21,6 @@
 #include "vehicle_func.h"
 #include "autoreplace_gui.h"
 #include "company_func.h"
-#include "widgets/dropdown_type.h"
 #include "widgets/dropdown_func.h"
 #include "tilehighlight_func.h"
 #include "vehicle_gui_base.h"
diff --git a/src/hotkeys.cpp b/src/hotkeys.cpp
index df5635d3d1..ae8d0a3566 100644
--- a/src/hotkeys.cpp
+++ b/src/hotkeys.cpp
@@ -14,9 +14,7 @@
 #include "hotkeys.h"
 #include "ini_type.h"
 #include "string_func.h"
-#include "gfx_type.h"
 #include "window_gui.h"
-#include <string.h>
 
 char *_hotkeys_file;
 
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index c0558427c0..8aa4ef7d91 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -14,7 +14,6 @@
 #include "industry.h"
 #include "station_base.h"
 #include "train.h"
-#include "landscape.h"
 #include "viewport_func.h"
 #include "command_func.h"
 #include "town.h"
@@ -22,9 +21,7 @@
 #include "cheat_type.h"
 #include "genworld.h"
 #include "tree_map.h"
-#include "newgrf.h"
 #include "newgrf_cargo.h"
-#include "newgrf_commons.h"
 #include "newgrf_debug.h"
 #include "newgrf_industries.h"
 #include "newgrf_industrytiles.h"
diff --git a/src/industry_gui.cpp b/src/industry_gui.cpp
index 996dda6214..3720a7c5c1 100644
--- a/src/industry_gui.cpp
+++ b/src/industry_gui.cpp
@@ -21,7 +21,6 @@
 #include "industry.h"
 #include "town.h"
 #include "cheat_type.h"
-#include "newgrf.h"
 #include "newgrf_industries.h"
 #include "newgrf_text.h"
 #include "newgrf_debug.h"
diff --git a/src/intro_gui.cpp b/src/intro_gui.cpp
index dc8befb75e..9c0b6ce544 100644
--- a/src/intro_gui.cpp
+++ b/src/intro_gui.cpp
@@ -20,7 +20,6 @@
 #include "network/network_content.h"
 #include "landscape_type.h"
 #include "strings_func.h"
-#include "window_func.h"
 #include "fios.h"
 #include "functions.h"
 #include "ai/ai_gui.hpp"
diff --git a/src/map.cpp b/src/map.cpp
index 9c930d694f..1e2761ad82 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -12,7 +12,6 @@
 #include "stdafx.h"
 #include "debug.h"
 #include "core/alloc_func.hpp"
-#include "core/math_func.hpp"
 #include "tile_map.h"
 
 #if defined(_MSC_VER)
diff --git a/src/misc/binaryheap.hpp b/src/misc/binaryheap.hpp
index 9096474e89..f7aedfc0a4 100644
--- a/src/misc/binaryheap.hpp
+++ b/src/misc/binaryheap.hpp
@@ -12,6 +12,8 @@
 #ifndef  BINARYHEAP_HPP
 #define  BINARYHEAP_HPP
 
+#include "../core/alloc_func.hpp"
+
 /* Enable it if you suspect binary heap doesn't work well */
 #define BINARYHEAP_CHECK 0
 
diff --git a/src/misc/hashtable.hpp b/src/misc/hashtable.hpp
index cafd6d7a95..9b1de9436b 100644
--- a/src/misc/hashtable.hpp
+++ b/src/misc/hashtable.hpp
@@ -12,6 +12,8 @@
 #ifndef  HASHTABLE_HPP
 #define  HASHTABLE_HPP
 
+#include "../core/math_func.hpp"
+
 template <class Titem_>
 struct CHashTableSlotT
 {
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index 422902265d..bf9f79c101 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -10,7 +10,6 @@
 /** @file misc_gui.cpp GUIs for a number of misc windows. */
 
 #include "stdafx.h"
-#include "openttd.h"
 #include "debug.h"
 #include "landscape.h"
 #include "newgrf_text.h"
diff --git a/src/network/core/tcp_http.cpp b/src/network/core/tcp_http.cpp
index 6de5cb8390..ac32d47daa 100644
--- a/src/network/core/tcp_http.cpp
+++ b/src/network/core/tcp_http.cpp
@@ -18,7 +18,6 @@
 #include "../../rev.h"
 #include "../network_func.h"
 
-#include "tcp.h"
 #include "tcp_http.h"
 
 /** List of open HTTP connections. */
diff --git a/src/network/core/tcp_http.h b/src/network/core/tcp_http.h
index 2173ae2ea6..f684e01569 100644
--- a/src/network/core/tcp_http.h
+++ b/src/network/core/tcp_http.h
@@ -14,7 +14,7 @@
 #ifndef NETWORK_CORE_TCP_HTTP_H
 #define NETWORK_CORE_TCP_HTTP_H
 
-#include "address.h"
+#include "tcp.h"
 
 #ifdef ENABLE_NETWORK
 
diff --git a/src/network/network_gui.cpp b/src/network/network_gui.cpp
index 608ceddc5d..ee110152de 100644
--- a/src/network/network_gui.cpp
+++ b/src/network/network_gui.cpp
@@ -26,7 +26,6 @@
 #include "../widgets/dropdown_func.h"
 #include "../querystring_gui.h"
 #include "../sortlist_type.h"
-#include "../company_base.h"
 #include "../company_func.h"
 #include "../core/geometry_func.hpp"
 
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 34b2fd98b2..d6babd6cf5 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -29,23 +29,19 @@
 #include "newgrf_house.h"
 #include "newgrf_sound.h"
 #include "newgrf_station.h"
-#include "industry.h"
+#include "industrytype.h"
 #include "newgrf_canal.h"
-#include "newgrf_commons.h"
 #include "newgrf_townname.h"
 #include "newgrf_industries.h"
 #include "newgrf_airporttiles.h"
 #include "newgrf_airport.h"
 #include "rev.h"
 #include "fios.h"
-#include "rail.h"
 #include "strings_func.h"
 #include "date_func.h"
 #include "string_func.h"
 #include "network/network.h"
 #include <map>
-#include "core/alloc_type.hpp"
-#include "core/mem_func.hpp"
 #include "smallmap_gui.h"
 #include "genworld.h"
 #include "gui.h"
diff --git a/src/newgrf_airport.cpp b/src/newgrf_airport.cpp
index 836b962bd2..6a3b0b0ba3 100644
--- a/src/newgrf_airport.cpp
+++ b/src/newgrf_airport.cpp
@@ -11,17 +11,11 @@
 
 #include "stdafx.h"
 #include "debug.h"
-#include "airport.h"
-#include "newgrf_airport.h"
 #include "date_func.h"
-#include "settings_type.h"
-#include "core/alloc_type.hpp"
 #include "newgrf.h"
-#include "newgrf_commons.h"
 #include "newgrf_spritegroup.h"
 #include "newgrf_text.h"
 #include "station_base.h"
-#include "table/strings.h"
 #include "newgrf_class_func.h"
 
 /**
diff --git a/src/newgrf_airport.h b/src/newgrf_airport.h
index b15a4c75a3..d08dfd4ec0 100644
--- a/src/newgrf_airport.h
+++ b/src/newgrf_airport.h
@@ -12,6 +12,7 @@
 #ifndef NEWGRF_AIRPORT_H
 #define NEWGRF_AIRPORT_H
 
+#include "airport.h"
 #include "date_type.h"
 #include "map_type.h"
 #include "newgrf_class.h"
diff --git a/src/newgrf_airporttiles.cpp b/src/newgrf_airporttiles.cpp
index 86de69a8ba..97eecc1b9a 100644
--- a/src/newgrf_airporttiles.cpp
+++ b/src/newgrf_airporttiles.cpp
@@ -11,23 +11,18 @@
 
 #include "stdafx.h"
 #include "debug.h"
-#include "airport.h"
 #include "newgrf.h"
 #include "newgrf_airporttiles.h"
 #include "newgrf_spritegroup.h"
 #include "newgrf_sound.h"
-#include "animated_tile_func.h"
 #include "station_base.h"
 #include "water.h"
 #include "viewport_func.h"
 #include "landscape.h"
 #include "company_base.h"
 #include "town.h"
-#include "functions.h"
-#include "core/random_func.hpp"
 #include "table/strings.h"
 #include "table/airporttiles.h"
-#include "date_func.h"
 #include "newgrf_animation_base.h"
 
 
diff --git a/src/newgrf_animation_base.h b/src/newgrf_animation_base.h
index ee60f48f81..26f0d67b7f 100644
--- a/src/newgrf_animation_base.h
+++ b/src/newgrf_animation_base.h
@@ -11,6 +11,13 @@
 
 /* No inclusion guards as this file must only be included from .cpp files. */
 
+#include "animated_tile_func.h"
+#include "core/random_func.hpp"
+#include "date_func.h"
+#include "functions.h"
+#include "newgrf_animation_type.h"
+#include "newgrf_callbacks.h"
+
 /**
  * Helper class for a unified approach to NewGRF animation.
  * @tparam Tbase       Instantiation of this class.
diff --git a/src/newgrf_canal.cpp b/src/newgrf_canal.cpp
index 500e93ae02..7e139392d0 100644
--- a/src/newgrf_canal.cpp
+++ b/src/newgrf_canal.cpp
@@ -11,7 +11,6 @@
 
 #include "stdafx.h"
 #include "debug.h"
-#include "newgrf_commons.h"
 #include "newgrf_spritegroup.h"
 #include "newgrf_canal.h"
 #include "water_map.h"
diff --git a/src/newgrf_class_func.h b/src/newgrf_class_func.h
index bd83376f7b..cfbec60733 100644
--- a/src/newgrf_class_func.h
+++ b/src/newgrf_class_func.h
@@ -9,8 +9,6 @@
 
 /** @file newgrf_class_func.h Implementation of the NewGRF class' functions. */
 
-#include "stdafx.h"
-#include "core/alloc_func.hpp"
 #include "newgrf_class.h"
 
 #include "table/strings.h"
diff --git a/src/newgrf_commons.cpp b/src/newgrf_commons.cpp
index a3e70b7836..952224f3d5 100644
--- a/src/newgrf_commons.cpp
+++ b/src/newgrf_commons.cpp
@@ -17,7 +17,6 @@
 #include "house.h"
 #include "industrytype.h"
 #include "newgrf.h"
-#include "newgrf_commons.h"
 #include "clear_map.h"
 #include "station_map.h"
 #include "tree_map.h"
diff --git a/src/newgrf_commons.h b/src/newgrf_commons.h
index 2771926d95..83a7904907 100644
--- a/src/newgrf_commons.h
+++ b/src/newgrf_commons.h
@@ -15,7 +15,7 @@
 #ifndef NEWGRF_COMMONS_H
 #define NEWGRF_COMMONS_H
 
-#include "tile_cmd.h"
+#include "tile_type.h"
 
 /** Contextx for tile accesses */
 enum TileContext {
diff --git a/src/newgrf_config.cpp b/src/newgrf_config.cpp
index 2d2e6f8565..49668d4011 100644
--- a/src/newgrf_config.cpp
+++ b/src/newgrf_config.cpp
@@ -13,7 +13,6 @@
 #include "debug.h"
 #include "3rdparty/md5/md5.h"
 #include "newgrf.h"
-#include "gamelog.h"
 #include "network/network_func.h"
 #include "gfx_func.h"
 #include "newgrf_text.h"
diff --git a/src/newgrf_debug_gui.cpp b/src/newgrf_debug_gui.cpp
index 74d3c5f859..aba4d93bfd 100644
--- a/src/newgrf_debug_gui.cpp
+++ b/src/newgrf_debug_gui.cpp
@@ -14,17 +14,13 @@
 #include "window_gui.h"
 #include "window_func.h"
 #include "fileio_func.h"
-#include "gfx_func.h"
 #include "spritecache.h"
 #include "string_func.h"
 #include "strings_func.h"
 #include "textbuf_gui.h"
-#include "tunnelbridge_map.h"
 
 #include "engine_base.h"
-#include "house.h"
 #include "industry.h"
-#include "rail.h"
 #include "station_base.h"
 #include "town.h"
 #include "vehicle_base.h"
diff --git a/src/newgrf_engine.cpp b/src/newgrf_engine.cpp
index 16aa5dce06..4cf9aae968 100644
--- a/src/newgrf_engine.cpp
+++ b/src/newgrf_engine.cpp
@@ -16,15 +16,12 @@
 #include "company_func.h"
 #include "newgrf.h"
 #include "newgrf_cargo.h"
-#include "newgrf_engine.h"
 #include "newgrf_spritegroup.h"
 #include "date_func.h"
 #include "vehicle_func.h"
 #include "core/random_func.hpp"
 #include "aircraft.h"
-#include "core/smallmap_type.hpp"
 #include "station_base.h"
-#include "engine_base.h"
 #include "company_base.h"
 #include "newgrf_railtype.h"
 
diff --git a/src/newgrf_house.cpp b/src/newgrf_house.cpp
index da4980b95c..d9362121b9 100644
--- a/src/newgrf_house.cpp
+++ b/src/newgrf_house.cpp
@@ -18,16 +18,11 @@
 #include "newgrf_spritegroup.h"
 #include "newgrf_town.h"
 #include "newgrf_sound.h"
-#include "newgrf_commons.h"
-#include "functions.h"
 #include "company_func.h"
-#include "animated_tile_func.h"
 #include "company_base.h"
 #include "town.h"
-#include "core/random_func.hpp"
 #include "sprite.h"
 #include "genworld.h"
-#include "date_func.h"
 #include "newgrf_animation_base.h"
 
 static BuildingCounts<uint32> _building_counts;
diff --git a/src/newgrf_industries.cpp b/src/newgrf_industries.cpp
index dfdf1019a1..f96b7a9ccd 100644
--- a/src/newgrf_industries.cpp
+++ b/src/newgrf_industries.cpp
@@ -14,7 +14,6 @@
 #include "industry.h"
 #include "newgrf.h"
 #include "newgrf_industries.h"
-#include "newgrf_commons.h"
 #include "newgrf_text.h"
 #include "newgrf_town.h"
 #include "newgrf_cargo.h"
diff --git a/src/newgrf_industries.h b/src/newgrf_industries.h
index 3d90d65bbd..4e293e3256 100644
--- a/src/newgrf_industries.h
+++ b/src/newgrf_industries.h
@@ -13,6 +13,7 @@
 #define NEWGRF_INDUSTRIES_H
 
 #include "command_type.h"
+#include "company_type.h"
 #include "newgrf_spritegroup.h"
 
 /** When should the industry(tile) be triggered for random bits? */
diff --git a/src/newgrf_industrytiles.cpp b/src/newgrf_industrytiles.cpp
index c088a4ea22..24deef5a44 100644
--- a/src/newgrf_industrytiles.cpp
+++ b/src/newgrf_industrytiles.cpp
@@ -14,19 +14,15 @@
 #include "viewport_func.h"
 #include "landscape.h"
 #include "newgrf.h"
-#include "newgrf_commons.h"
 #include "newgrf_industries.h"
 #include "newgrf_industrytiles.h"
 #include "newgrf_sound.h"
 #include "newgrf_text.h"
 #include "industry.h"
-#include "functions.h"
 #include "town.h"
 #include "command_func.h"
-#include "animated_tile_func.h"
 #include "water.h"
 #include "sprite.h"
-#include "date_func.h"
 #include "newgrf_animation_base.h"
 
 #include "table/strings.h"
diff --git a/src/newgrf_railtype.cpp b/src/newgrf_railtype.cpp
index 79d83b2d54..c11c011171 100644
--- a/src/newgrf_railtype.cpp
+++ b/src/newgrf_railtype.cpp
@@ -10,20 +10,11 @@
 /** @file newgrf_railtype.cpp NewGRF handling of rail types. */
 
 #include "stdafx.h"
-#include "openttd.h"
 #include "debug.h"
-#include "strings_type.h"
-#include "rail.h"
-#include "road_map.h"
 #include "newgrf.h"
-#include "newgrf_callbacks.h"
-#include "newgrf_commons.h"
-#include "newgrf_railtype.h"
 #include "newgrf_spritegroup.h"
-#include "core/bitmath_func.hpp"
 #include "date_func.h"
 #include "depot_base.h"
-#include "rail_map.h"
 
 static uint32 RailTypeGetRandomBits(const ResolverObject *object)
 {
diff --git a/src/newgrf_spritegroup.cpp b/src/newgrf_spritegroup.cpp
index 6eb136598a..116c58ff4d 100644
--- a/src/newgrf_spritegroup.cpp
+++ b/src/newgrf_spritegroup.cpp
@@ -13,7 +13,6 @@
 #include "newgrf.h"
 #include "newgrf_spritegroup.h"
 #include "sprite.h"
-#include "core/bitmath_func.hpp"
 #include "core/pool_func.hpp"
 
 SpriteGroupPool _spritegroup_pool("SpriteGroup");
diff --git a/src/newgrf_spritegroup.h b/src/newgrf_spritegroup.h
index d61917acf1..b9393dc2e4 100644
--- a/src/newgrf_spritegroup.h
+++ b/src/newgrf_spritegroup.h
@@ -15,7 +15,6 @@
 #include "town_type.h"
 #include "gfx_type.h"
 #include "engine_type.h"
-#include "tile_type.h"
 #include "core/pool_type.hpp"
 #include "house_type.h"
 
diff --git a/src/newgrf_station.cpp b/src/newgrf_station.cpp
index 6def19a8b4..fd443fe86b 100644
--- a/src/newgrf_station.cpp
+++ b/src/newgrf_station.cpp
@@ -15,24 +15,18 @@
 #include "waypoint_base.h"
 #include "roadstop_base.h"
 #include "newgrf_cargo.h"
-#include "newgrf_commons.h"
 #include "newgrf_station.h"
 #include "newgrf_spritegroup.h"
 #include "newgrf_sound.h"
 #include "newgrf_railtype.h"
 #include "town.h"
 #include "newgrf_town.h"
-#include "date_func.h"
 #include "company_func.h"
-#include "animated_tile_func.h"
-#include "functions.h"
 #include "tunnelbridge_map.h"
 #include "newgrf.h"
-#include "core/random_func.hpp"
 #include "newgrf_animation_base.h"
 #include "newgrf_class_func.h"
 
-#include "table/strings.h"
 
 template <typename Tspec, typename Tid, Tid Tmax>
 /* static */ void NewGRFClass<Tspec, Tid, Tmax>::InsertDefaults()
diff --git a/src/object_cmd.cpp b/src/object_cmd.cpp
index 5713957988..0385b28a96 100644
--- a/src/object_cmd.cpp
+++ b/src/object_cmd.cpp
@@ -18,10 +18,8 @@
 #include "bridge_map.h"
 #include "genworld.h"
 #include "autoslope.h"
-#include "transparency.h"
 #include "functions.h"
 #include "window_func.h"
-#include "vehicle_func.h"
 #include "company_gui.h"
 #include "cheat_type.h"
 #include "landscape_type.h"
@@ -35,7 +33,6 @@
 #include "date_func.h"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 #include "table/object_land.h"
 
 ObjectPool _object_pool("Object");
diff --git a/src/object_map.h b/src/object_map.h
index 06485d8ffe..e08e36ee63 100644
--- a/src/object_map.h
+++ b/src/object_map.h
@@ -12,7 +12,6 @@
 #ifndef OBJECT_MAP_H
 #define OBJECT_MAP_H
 
-#include "tile_map.h"
 #include "water_map.h"
 #include "object_type.h"
 
diff --git a/src/openttd.cpp b/src/openttd.cpp
index 48b978a75a..d02c0f1e1f 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -23,7 +23,6 @@
 
 #include "base_media_base.h"
 #include "saveload/saveload.h"
-#include "landscape.h"
 #include "company_func.h"
 #include "command_func.h"
 #include "news_func.h"
@@ -55,15 +54,12 @@
 #include "thread/thread.h"
 #include "station_base.h"
 #include "crashlog.h"
-#include "company_base.h"
-#include "engine_base.h"
 #include "engine_func.h"
 #include "core/random_func.hpp"
 #include "rail_gui.h"
 #include "core/backup_type.hpp"
 #include "hotkeys.h"
 
-#include "newgrf_commons.h"
 
 #include "town.h"
 #include "industry.h"
diff --git a/src/order_backup.cpp b/src/order_backup.cpp
index 162b472a27..25ee0045fc 100644
--- a/src/order_backup.cpp
+++ b/src/order_backup.cpp
@@ -15,9 +15,7 @@
 #include "network/network.h"
 #include "network/network_func.h"
 #include "order_backup.h"
-#include "order_base.h"
 #include "vehicle_base.h"
-#include "settings_type.h"
 
 OrderBackupPool _order_backup_pool("BackupOrder");
 INSTANTIATE_POOL_METHODS(OrderBackup)
diff --git a/src/order_backup.h b/src/order_backup.h
index 81d485eb76..3e87b99d94 100644
--- a/src/order_backup.h
+++ b/src/order_backup.h
@@ -13,11 +13,11 @@
 #define ORDER_BACKUP_H
 
 #include "core/pool_type.hpp"
+#include "date_type.h"
+#include "group_type.h"
 #include "order_type.h"
-#include "vehicle_type.h"
 #include "tile_type.h"
-#include "group_type.h"
-#include "company_type.h"
+#include "vehicle_type.h"
 
 /** Unique identifier for an order backup. */
 typedef uint8 OrderBackupID;
diff --git a/src/order_gui.cpp b/src/order_gui.cpp
index 21cf685737..ea19baf102 100644
--- a/src/order_gui.cpp
+++ b/src/order_gui.cpp
@@ -12,11 +12,10 @@
 #include "stdafx.h"
 #include "command_func.h"
 #include "viewport_func.h"
-#include "depot_base.h"
+#include "depot_map.h"
 #include "vehicle_gui.h"
 #include "roadveh.h"
 #include "timetable.h"
-#include "cargotype.h"
 #include "strings_func.h"
 #include "window_func.h"
 #include "vehicle_func.h"
@@ -31,7 +30,6 @@
 #include "core/geometry_func.hpp"
 #include "hotkeys.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 /** Widget numbers of the order window. */
diff --git a/src/pathfinder/npf/npf.cpp b/src/pathfinder/npf/npf.cpp
index f03b2d9afe..42a09a3f2e 100644
--- a/src/pathfinder/npf/npf.cpp
+++ b/src/pathfinder/npf/npf.cpp
@@ -11,7 +11,6 @@
 
 #include "../../stdafx.h"
 #include "../../debug.h"
-#include "../../landscape.h"
 #include "../../network/network.h"
 #include "../../functions.h"
 #include "../../ship.h"
diff --git a/src/pathfinder/yapf/yapf.h b/src/pathfinder/yapf/yapf.h
index e5615f7828..f01f22e0cc 100644
--- a/src/pathfinder/yapf/yapf.h
+++ b/src/pathfinder/yapf/yapf.h
@@ -13,7 +13,6 @@
 #define  YAPF_H
 
 #include "../../direction_type.h"
-#include "../../station_type.h"
 #include "../../track_type.h"
 #include "../../vehicle_type.h"
 #include "../pathfinder_type.h"
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index a2dcf650d3..59f52c524e 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -11,17 +11,12 @@
 
 #include "stdafx.h"
 #include "cmd_helper.h"
-#include "landscape.h"
 #include "viewport_func.h"
 #include "command_func.h"
-#include "engine_base.h"
 #include "depot_base.h"
 #include "pathfinder/yapf/yapf_cache.h"
-#include "newgrf_engine.h"
-#include "landscape_type.h"
 #include "newgrf_debug.h"
 #include "newgrf_railtype.h"
-#include "newgrf_commons.h"
 #include "train.h"
 #include "autoslope.h"
 #include "water.h"
@@ -39,7 +34,6 @@
 #include "date_func.h"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 #include "table/railtypes.h"
 #include "table/track_land.h"
 
diff --git a/src/rail_gui.cpp b/src/rail_gui.cpp
index 554362ad45..78301c0e25 100644
--- a/src/rail_gui.cpp
+++ b/src/rail_gui.cpp
@@ -35,7 +35,6 @@
 #include "station_map.h"
 #include "tunnelbridge_map.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 static RailType _cur_railtype;               ///< Rail type of the current build-rail toolbar.
diff --git a/src/rail_gui.h b/src/rail_gui.h
index fc9a7d48ee..0c69ac23da 100644
--- a/src/rail_gui.h
+++ b/src/rail_gui.h
@@ -14,7 +14,7 @@
 
 #include "rail_type.h"
 
-Window *ShowBuildRailToolbar(RailType railtype);
+struct Window *ShowBuildRailToolbar(RailType railtype);
 void ReinitGuiAfterToggleElrail(bool disable);
 bool ResetSignalVariant(int32 = 0);
 void InitializeRailGUI();
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index 112239a0df..54dc7dd6b9 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -12,7 +12,6 @@
 #include "stdafx.h"
 #include "cmd_helper.h"
 #include "road_internal.h"
-#include "landscape.h"
 #include "viewport_func.h"
 #include "command_func.h"
 #include "pathfinder/yapf/yapf_cache.h"
diff --git a/src/road_gui.cpp b/src/road_gui.cpp
index 7ff00def7d..7fc5152fa6 100644
--- a/src/road_gui.cpp
+++ b/src/road_gui.cpp
@@ -17,7 +17,6 @@
 #include "viewport_func.h"
 #include "command_func.h"
 #include "road_cmd.h"
-#include "road_map.h"
 #include "station_func.h"
 #include "functions.h"
 #include "window_func.h"
@@ -30,7 +29,6 @@
 #include "company_base.h"
 #include "hotkeys.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 static void ShowRVStationPicker(Window *parent, RoadStopType rs);
diff --git a/src/road_gui.h b/src/road_gui.h
index 8bf38a7ed4..929610ddeb 100644
--- a/src/road_gui.h
+++ b/src/road_gui.h
@@ -14,7 +14,7 @@
 
 #include "road_type.h"
 
-Window *ShowBuildRoadToolbar(RoadType roadtype);
-Window *ShowBuildRoadScenToolbar();
+struct Window *ShowBuildRoadToolbar(RoadType roadtype);
+struct Window *ShowBuildRoadScenToolbar();
 
 #endif /* ROAD_GUI_H */
diff --git a/src/roadstop.cpp b/src/roadstop.cpp
index 6b8c921c1e..3e9e6ac936 100644
--- a/src/roadstop.cpp
+++ b/src/roadstop.cpp
@@ -15,7 +15,6 @@
 #include "roadstop_base.h"
 #include "station_base.h"
 #include "vehicle_func.h"
-#include "landscape.h"
 
 RoadStopPool _roadstop_pool("RoadStop");
 INSTANTIATE_POOL_METHODS(RoadStop)
diff --git a/src/roadveh.h b/src/roadveh.h
index c745575561..85db80ccff 100644
--- a/src/roadveh.h
+++ b/src/roadveh.h
@@ -12,11 +12,11 @@
 #ifndef ROADVEH_H
 #define ROADVEH_H
 
-#include "road_type.h"
 #include "ground_vehicle.hpp"
 #include "engine_base.h"
 #include "cargotype.h"
-#include "road_map.h"
+#include "track_func.h"
+#include "road_type.h"
 
 struct RoadVehicle;
 
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
index bc8786850d..3aca512fd3 100644
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -10,7 +10,6 @@
 /** @file roadveh_cmd.cpp Handling of road vehicles. */
 
 #include "stdafx.h"
-#include "landscape.h"
 #include "roadveh.h"
 #include "command_func.h"
 #include "news_func.h"
@@ -29,22 +28,17 @@
 #include "date_func.h"
 #include "vehicle_func.h"
 #include "sound_func.h"
-#include "autoreplace_gui.h"
 #include "ai/ai.hpp"
 #include "depot_map.h"
 #include "effectvehicle_func.h"
 #include "effectvehicle_base.h"
 #include "roadstop_base.h"
-#include "cargotype.h"
 #include "spritecache.h"
 #include "core/random_func.hpp"
-#include "engine_base.h"
 #include "company_base.h"
-#include "engine_func.h"
 #include "core/backup_type.hpp"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 
 static const uint16 _roadveh_images[63] = {
 	0xCD4, 0xCDC, 0xCE4, 0xCEC, 0xCF4, 0xCFC, 0xD0C, 0xD14,
diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp
index 95b86f4d66..b706fed601 100644
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -22,7 +22,6 @@
 #include "../industry.h"
 #include "../clear_map.h"
 #include "../vehicle_func.h"
-#include "../debug.h"
 #include "../string_func.h"
 #include "../date_func.h"
 #include "../roadveh.h"
@@ -31,7 +30,6 @@
 #include "../waypoint_base.h"
 #include "../roadstop_base.h"
 #include "../tunnelbridge_map.h"
-#include "../landscape.h"
 #include "../pathfinder/yapf/yapf_cache.h"
 #include "../elrail_func.h"
 #include "../signs_func.h"
@@ -48,9 +46,7 @@
 #include "../animated_tile_func.h"
 #include "../subsidy_base.h"
 #include "../subsidy_func.h"
-#include "../company_base.h"
 #include "../newgrf.h"
-#include "../engine_base.h"
 #include "../engine_func.h"
 #include "../rail_gui.h"
 #include "../core/backup_type.hpp"
diff --git a/src/saveload/company_sl.cpp b/src/saveload/company_sl.cpp
index 917f29335d..b238ad8186 100644
--- a/src/saveload/company_sl.cpp
+++ b/src/saveload/company_sl.cpp
@@ -10,7 +10,6 @@
 /** @file company_sl.cpp Code handling saving and loading of company data */
 
 #include "../stdafx.h"
-#include "../company_base.h"
 #include "../company_func.h"
 #include "../company_manager_face.h"
 #include "../fios.h"
diff --git a/src/saveload/gamelog_sl.cpp b/src/saveload/gamelog_sl.cpp
index e6067c37ea..0218a5a205 100644
--- a/src/saveload/gamelog_sl.cpp
+++ b/src/saveload/gamelog_sl.cpp
@@ -11,7 +11,6 @@
 
 #include "../stdafx.h"
 #include "../gamelog_internal.h"
-#include "../core/alloc_func.hpp"
 
 #include "saveload.h"
 
diff --git a/src/saveload/map_sl.cpp b/src/saveload/map_sl.cpp
index c1463b7275..34b1098b00 100644
--- a/src/saveload/map_sl.cpp
+++ b/src/saveload/map_sl.cpp
@@ -11,7 +11,6 @@
 
 #include "../stdafx.h"
 #include "../map_func.h"
-#include "../core/alloc_type.hpp"
 #include "../core/bitmath_func.hpp"
 #include "../fios.h"
 
diff --git a/src/saveload/misc_sl.cpp b/src/saveload/misc_sl.cpp
index abe4d411ab..b73207b385 100644
--- a/src/saveload/misc_sl.cpp
+++ b/src/saveload/misc_sl.cpp
@@ -18,7 +18,6 @@
 #include "../window_func.h"
 #include "../viewport_func.h"
 #include "../gfx_func.h"
-#include "../company_base.h"
 #include "../core/random_func.hpp"
 #include "../fios.h"
 
diff --git a/src/saveload/newgrf_sl.cpp b/src/saveload/newgrf_sl.cpp
index b4405b1710..b59badbce3 100644
--- a/src/saveload/newgrf_sl.cpp
+++ b/src/saveload/newgrf_sl.cpp
@@ -10,10 +10,7 @@
 /** @file newgrf_sl.cpp Code handling saving and loading of newgrf config */
 
 #include "../stdafx.h"
-#include "../newgrf_config.h"
 #include "../core/bitmath_func.hpp"
-#include "../core/alloc_func.hpp"
-#include "../gfx_func.h"
 #include "../fios.h"
 
 #include "saveload.h"
diff --git a/src/saveload/oldloader_sl.cpp b/src/saveload/oldloader_sl.cpp
index 7de25c1700..1088d38222 100644
--- a/src/saveload/oldloader_sl.cpp
+++ b/src/saveload/oldloader_sl.cpp
@@ -25,9 +25,6 @@
 #include "../date_func.h"
 #include "../vehicle_func.h"
 #include "../effectvehicle_base.h"
-#include "../core/mem_func.hpp"
-#include "../core/alloc_type.hpp"
-#include "../engine_base.h"
 #include "../engine_func.h"
 #include "../company_base.h"
 #include "saveload_internal.h"
diff --git a/src/saveload/saveload.cpp b/src/saveload/saveload.cpp
index cd5ae3329b..b2ba232e27 100644
--- a/src/saveload/saveload.cpp
+++ b/src/saveload/saveload.cpp
@@ -40,7 +40,6 @@
 #include "../gamelog.h"
 #include "../string_func.h"
 #include "../engine_base.h"
-#include "../company_base.h"
 #include "../fios.h"
 
 #include "table/strings.h"
diff --git a/src/saveload/vehicle_sl.cpp b/src/saveload/vehicle_sl.cpp
index e7842725b0..b42a866a34 100644
--- a/src/saveload/vehicle_sl.cpp
+++ b/src/saveload/vehicle_sl.cpp
@@ -17,7 +17,6 @@
 #include "../aircraft.h"
 #include "../station_base.h"
 #include "../effectvehicle_base.h"
-#include "../engine_base.h"
 
 #include "saveload.h"
 
diff --git a/src/script/script_info.cpp b/src/script/script_info.cpp
index 4f2f548a50..807c42bc16 100644
--- a/src/script/script_info.cpp
+++ b/src/script/script_info.cpp
@@ -11,8 +11,6 @@
 
 #include "../stdafx.h"
 
-#include <squirrel.h>
-#include "squirrel.hpp"
 #include "squirrel_helper.hpp"
 
 #include "script_info.hpp"
diff --git a/src/script/script_scanner.cpp b/src/script/script_scanner.cpp
index 5c6a738013..995b2e1c37 100644
--- a/src/script/script_scanner.cpp
+++ b/src/script/script_scanner.cpp
@@ -14,7 +14,6 @@
 #include "../fileio_func.h"
 #include <sys/stat.h>
 
-#include <squirrel.h>
 #include "../script/squirrel.hpp"
 #include "script_scanner.hpp"
 
diff --git a/src/script/squirrel.cpp b/src/script/squirrel.cpp
index dea7c62328..504f41a640 100644
--- a/src/script/squirrel.cpp
+++ b/src/script/squirrel.cpp
@@ -9,11 +9,9 @@
 
 /** @file squirrel.cpp the implementation of the Squirrel class. It handles all Squirrel-stuff and gives a nice API back to work with. */
 
-#include <squirrel.h>
 #include <stdarg.h>
 #include "../stdafx.h"
 #include "../debug.h"
-#include "squirrel.hpp"
 #include "squirrel_std.hpp"
 #include "../fileio_func.h"
 #include <sqstdaux.h>
diff --git a/src/script/squirrel.hpp b/src/script/squirrel.hpp
index ec9871d72f..53a74eaaa8 100644
--- a/src/script/squirrel.hpp
+++ b/src/script/squirrel.hpp
@@ -12,6 +12,8 @@
 #ifndef SQUIRREL_HPP
 #define SQUIRREL_HPP
 
+#include <squirrel.h>
+
 class Squirrel {
 private:
 	typedef void (SQPrintFunc)(bool error_msg, const SQChar *message);
diff --git a/src/script/squirrel_class.hpp b/src/script/squirrel_class.hpp
index 9faf4a68eb..0a1ab73dc0 100644
--- a/src/script/squirrel_class.hpp
+++ b/src/script/squirrel_class.hpp
@@ -12,6 +12,8 @@
 #ifndef SQUIRREL_CLASS_HPP
 #define SQUIRREL_CLASS_HPP
 
+#include "squirrel_helper.hpp"
+
 /**
  * The template to define classes in Squirrel. It takes care of the creation
  *  and calling of such classes, to make the AI Layer cleaner while having a
diff --git a/src/script/squirrel_helper.hpp b/src/script/squirrel_helper.hpp
index c1ecc64ad0..a7d0bf7ba2 100644
--- a/src/script/squirrel_helper.hpp
+++ b/src/script/squirrel_helper.hpp
@@ -12,7 +12,7 @@
 #ifndef SQUIRREL_HELPER_HPP
 #define SQUIRREL_HELPER_HPP
 
-#include <squirrel.h>
+#include "squirrel.hpp"
 #include "../core/math_func.hpp"
 #include "../core/smallvec_type.hpp"
 #include "../economy_type.h"
diff --git a/src/script/squirrel_std.cpp b/src/script/squirrel_std.cpp
index a95020fcc4..21639ee103 100644
--- a/src/script/squirrel_std.cpp
+++ b/src/script/squirrel_std.cpp
@@ -13,7 +13,6 @@
 #include <sqstdmath.h>
 #include "../stdafx.h"
 #include "../debug.h"
-#include "squirrel.hpp"
 #include "squirrel_std.hpp"
 #include "../core/alloc_func.hpp"
 #include "../core/math_func.hpp"
diff --git a/src/script/squirrel_std.hpp b/src/script/squirrel_std.hpp
index b791668599..248b9773e2 100644
--- a/src/script/squirrel_std.hpp
+++ b/src/script/squirrel_std.hpp
@@ -12,6 +12,8 @@
 #ifndef SQUIRREL_STD_HPP
 #define SQUIRREL_STD_HPP
 
+#include "squirrel.hpp"
+
 #if defined(__APPLE__)
 /* Which idiotic system makes 'require' a macro? :s Oh well.... */
 #undef require
diff --git a/src/settings.cpp b/src/settings.cpp
index 443702438e..3a29752af9 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -61,8 +61,6 @@
 #include "ai/ai.hpp"
 #include "newgrf.h"
 #include "ship.h"
-#include "company_base.h"
-#include "engine_base.h"
 #include "smallmap_gui.h"
 #include "roadveh.h"
 #include "fios.h"
diff --git a/src/settings_gui.cpp b/src/settings_gui.cpp
index 61106dcd15..071fefd107 100644
--- a/src/settings_gui.cpp
+++ b/src/settings_gui.cpp
@@ -32,7 +32,6 @@
 #include "viewport_func.h"
 #include "core/geometry_func.hpp"
 #include "ai/ai.hpp"
-#include <map>
 
 #include "table/sprites.h"
 #include "table/strings.h"
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
index 4475a8e055..826ca0308e 100644
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -30,18 +30,15 @@
 #include "date_func.h"
 #include "vehicle_func.h"
 #include "sound_func.h"
-#include "autoreplace_gui.h"
 #include "effectvehicle_func.h"
 #include "effectvehicle_base.h"
 #include "ai/ai.hpp"
 #include "pathfinder/opf/opf_ship.h"
 #include "landscape_type.h"
 #include "engine_base.h"
-#include "engine_func.h"
 #include "company_base.h"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 
 static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};
 
diff --git a/src/signal_type.h b/src/signal_type.h
index 5a8d564d2a..d977958eb1 100644
--- a/src/signal_type.h
+++ b/src/signal_type.h
@@ -12,6 +12,8 @@
 #ifndef SIGNAL_TYPE_H
 #define SIGNAL_TYPE_H
 
+#include "core/enum_type.hpp"
+
 /** Variant of the signal, i.e. how does the signal look? */
 enum SignalVariant {
 	SIG_ELECTRIC  = 0, ///< Light signal
diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
index b614c3988f..7e6faee27f 100644
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -28,7 +28,6 @@
 #include "company_base.h"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 
 /** Widget numbers of the small map window. */
 enum SmallMapWindowWidgets {
diff --git a/src/sprite.cpp b/src/sprite.cpp
index e817de32c2..df4eec8efb 100644
--- a/src/sprite.cpp
+++ b/src/sprite.cpp
@@ -11,12 +11,10 @@
 
 #include "stdafx.h"
 #include "sprite.h"
-#include "tile_cmd.h"
 #include "viewport_func.h"
 #include "landscape.h"
 #include "spritecache.h"
 
-#include "table/sprites.h"
 
 /**
  * Draws a tile sprite sequence.
diff --git a/src/sprite.h b/src/sprite.h
index 61a621b869..4ede1199f1 100644
--- a/src/sprite.h
+++ b/src/sprite.h
@@ -12,7 +12,6 @@
 #ifndef SPRITE_H
 #define SPRITE_H
 
-#include "gfx_type.h"
 #include "transparency.h"
 
 #include "table/sprites.h"
diff --git a/src/station_base.h b/src/station_base.h
index 2d345a5892..ca0e598f9f 100644
--- a/src/station_base.h
+++ b/src/station_base.h
@@ -13,7 +13,6 @@
 #define STATION_BASE_H
 
 #include "base_station_base.h"
-#include "airport.h"
 #include "newgrf_airport.h"
 #include "cargopacket.h"
 #include "industry_type.h"
diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index 6dfb54f1c7..39a98453cf 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -13,7 +13,6 @@
 #include "aircraft.h"
 #include "bridge_map.h"
 #include "cmd_helper.h"
-#include "landscape.h"
 #include "viewport_func.h"
 #include "command_func.h"
 #include "town.h"
@@ -46,7 +45,6 @@
 #include "debug.h"
 #include "core/random_func.hpp"
 #include "company_base.h"
-#include "newgrf.h"
 #include "table/airporttile_ids.h"
 #include "newgrf_airporttiles.h"
 #include "order_backup.h"
diff --git a/src/station_gui.cpp b/src/station_gui.cpp
index 97dbf5c728..a2b85a287e 100644
--- a/src/station_gui.cpp
+++ b/src/station_gui.cpp
@@ -30,7 +30,6 @@
 #include "core/geometry_func.hpp"
 
 #include "table/strings.h"
-#include "table/sprites.h"
 
 /**
  * Draw a (multi)line of cargos seperated by commas, and prefixed with a string.
diff --git a/src/strings.cpp b/src/strings.cpp
index 5b5664f00b..f03ab65bf0 100644
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -34,7 +34,6 @@
 #include "townname_func.h"
 #include "string_func.h"
 #include "company_base.h"
-#include "industrytype.h"
 #include "smallmap_gui.h"
 
 #include "table/strings.h"
diff --git a/src/terraform_gui.cpp b/src/terraform_gui.cpp
index 77f409e652..c4b5ac6de6 100644
--- a/src/terraform_gui.cpp
+++ b/src/terraform_gui.cpp
@@ -22,7 +22,7 @@
 #include "functions.h"
 #include "sound_func.h"
 #include "base_station_base.h"
-#include "object_map.h"
+#include "object_type.h"
 #include "textbuf_gui.h"
 #include "genworld.h"
 #include "tree_map.h"
@@ -31,7 +31,6 @@
 #include "strings_func.h"
 #include "hotkeys.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 void CcTerraform(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
diff --git a/src/tile_map.cpp b/src/tile_map.cpp
index 07a4fa743d..8d3fcc87fd 100644
--- a/src/tile_map.cpp
+++ b/src/tile_map.cpp
@@ -11,7 +11,6 @@
 
 #include "stdafx.h"
 #include "tile_map.h"
-#include "core/math_func.hpp"
 
 /**
  * Return the slope of a given tile
diff --git a/src/tilearea.cpp b/src/tilearea.cpp
index fb3e113949..7a2d76d700 100644
--- a/src/tilearea.cpp
+++ b/src/tilearea.cpp
@@ -11,8 +11,7 @@
 
 #include "stdafx.h"
 
-#include "tile_map.h"
-#include "core/math_func.hpp"
+#include "map_func.h"
 #include "tilearea_type.h"
 
 /**
diff --git a/src/toolbar_gui.cpp b/src/toolbar_gui.cpp
index 9ceecf4ad4..be36cbbdb8 100644
--- a/src/toolbar_gui.cpp
+++ b/src/toolbar_gui.cpp
@@ -39,7 +39,6 @@
 #include "tilehighlight_func.h"
 #include "rail.h"
 #include "widgets/dropdown_type.h"
-#include "company_base.h"
 #include "smallmap_gui.h"
 #include "graph_gui.h"
 #include "textbuf_gui.h"
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 47a8589464..53d2a54747 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -25,7 +25,6 @@
 #include "genworld.h"
 #include "newgrf_debug.h"
 #include "newgrf_house.h"
-#include "newgrf_commons.h"
 #include "newgrf_text.h"
 #include "newgrf_config.h"
 #include "autoslope.h"
@@ -39,7 +38,6 @@
 #include "animated_tile_func.h"
 #include "date_func.h"
 #include "subsidy_func.h"
-#include "core/smallmap_type.hpp"
 #include "core/pool_func.hpp"
 #include "town.h"
 #include "townname_func.h"
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index fcbe3e0056..f5206daa3c 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -18,17 +18,14 @@
 #include "news_func.h"
 #include "company_func.h"
 #include "vehicle_gui.h"
-#include "newgrf_engine.h"
 #include "newgrf_sound.h"
 #include "newgrf_text.h"
 #include "group.h"
-#include "table/sprites.h"
 #include "strings_func.h"
 #include "functions.h"
 #include "window_func.h"
 #include "vehicle_func.h"
 #include "sound_func.h"
-#include "autoreplace_gui.h"
 #include "ai/ai.hpp"
 #include "newgrf_station.h"
 #include "effectvehicle_func.h"
@@ -38,8 +35,6 @@
 #include "spritecache.h"
 #include "core/random_func.hpp"
 #include "company_base.h"
-#include "engine_base.h"
-#include "engine_func.h"
 #include "newgrf.h"
 #include "order_backup.h"
 
diff --git a/src/train_gui.cpp b/src/train_gui.cpp
index 87e6fe6227..73bb7afa6f 100644
--- a/src/train_gui.cpp
+++ b/src/train_gui.cpp
@@ -17,9 +17,7 @@
 #include "train.h"
 #include "strings_func.h"
 #include "vehicle_func.h"
-#include "engine_base.h"
 #include "window_func.h"
-#include "settings_type.h"
 
 #include "table/sprites.h"
 #include "table/strings.h"
diff --git a/src/transport_type.h b/src/transport_type.h
index 65af9c75b3..5c2b22cba0 100644
--- a/src/transport_type.h
+++ b/src/transport_type.h
@@ -12,6 +12,8 @@
 #ifndef TRANSPORT_TYPE_H
 #define TRANSPORT_TYPE_H
 
+#include "core/enum_type.hpp"
+
 typedef uint16 UnitID;
 
 /** Available types of transport */
diff --git a/src/tunnelbridge_cmd.cpp b/src/tunnelbridge_cmd.cpp
index 1fa3e770c9..e920d279a0 100644
--- a/src/tunnelbridge_cmd.cpp
+++ b/src/tunnelbridge_cmd.cpp
@@ -14,8 +14,6 @@
  */
 
 #include "stdafx.h"
-#include "rail_map.h"
-#include "landscape.h"
 #include "object.h"
 #include "viewport_func.h"
 #include "cmd_helper.h"
@@ -37,10 +35,8 @@
 #include "tunnelbridge.h"
 #include "cheat_type.h"
 #include "elrail_func.h"
-#include "landscape_type.h"
 #include "pbs.h"
 #include "company_base.h"
-#include "engine_base.h"
 #include "newgrf_railtype.h"
 
 #include "table/sprites.h"
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 6c7f2b0bda..1ca3402830 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -11,11 +11,9 @@
 
 #include "stdafx.h"
 #include "gui.h"
-#include "debug.h"
 #include "roadveh.h"
 #include "ship.h"
 #include "spritecache.h"
-#include "landscape.h"
 #include "timetable.h"
 #include "viewport_func.h"
 #include "news_func.h"
@@ -25,7 +23,6 @@
 #include "train.h"
 #include "aircraft.h"
 #include "newgrf_debug.h"
-#include "newgrf_engine.h"
 #include "newgrf_sound.h"
 #include "newgrf_station.h"
 #include "group.h"
@@ -40,7 +37,6 @@
 #include "autoreplace_gui.h"
 #include "station_base.h"
 #include "ai/ai.hpp"
-#include "core/smallmap_type.hpp"
 #include "depot_func.h"
 #include "network/network.h"
 #include "core/pool_func.hpp"
@@ -48,12 +44,9 @@
 #include "articulated_vehicles.h"
 #include "roadstop_base.h"
 #include "core/random_func.hpp"
-#include "engine_base.h"
-#include "newgrf.h"
 #include "core/backup_type.hpp"
 #include "order_backup.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 #define GEN_HASH(x, y) ((GB((y), 6, 6) << 6) + GB((x), 7, 6))
diff --git a/src/vehicle_cmd.cpp b/src/vehicle_cmd.cpp
index 0754e581cc..fd31393e23 100644
--- a/src/vehicle_cmd.cpp
+++ b/src/vehicle_cmd.cpp
@@ -19,7 +19,6 @@
 #include "vehicle_gui.h"
 #include "train.h"
 #include "aircraft.h"
-#include "newgrf_engine.h"
 #include "newgrf_text.h"
 #include "functions.h"
 #include "window_func.h"
@@ -27,7 +26,6 @@
 #include "string_func.h"
 #include "depot_map.h"
 #include "vehiclelist.h"
-#include "engine_base.h"
 #include "engine_func.h"
 #include "articulated_vehicles.h"
 #include "autoreplace_gui.h"
diff --git a/src/vehicle_gui.cpp b/src/vehicle_gui.cpp
index ad954db7dc..5c922c0f1c 100644
--- a/src/vehicle_gui.cpp
+++ b/src/vehicle_gui.cpp
@@ -18,14 +18,12 @@
 #include "vehicle_gui.h"
 #include "vehicle_gui_base.h"
 #include "viewport_func.h"
-#include "newgrf_engine.h"
 #include "newgrf_text.h"
 #include "newgrf_debug.h"
-#include "waypoint_base.h"
 #include "roadveh.h"
 #include "train.h"
 #include "aircraft.h"
-#include "depot_base.h"
+#include "depot_map.h"
 #include "group_gui.h"
 #include "strings_func.h"
 #include "window_func.h"
@@ -36,16 +34,12 @@
 #include "timetable.h"
 #include "vehiclelist.h"
 #include "articulated_vehicles.h"
-#include "cargotype.h"
 #include "spritecache.h"
 #include "core/geometry_func.hpp"
 #include "company_base.h"
-#include "engine_base.h"
 #include "engine_func.h"
-#include "newgrf.h"
 #include "station_base.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 Sorting _sorting;
diff --git a/src/viewport.cpp b/src/viewport.cpp
index 169e56f04c..f904e67567 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -46,7 +46,6 @@
 #include "tilehighlight_func.h"
 #include "window_gui.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 PlaceProc *_place_proc;
diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp
index 74483f7cab..cb96e89ba4 100644
--- a/src/water_cmd.cpp
+++ b/src/water_cmd.cpp
@@ -37,7 +37,6 @@
 #include "core/backup_type.hpp"
 #include "date_func.h"
 
-#include "table/sprites.h"
 #include "table/strings.h"
 
 /**
diff --git a/src/water_map.h b/src/water_map.h
index 852396e323..c5759c0d8e 100644
--- a/src/water_map.h
+++ b/src/water_map.h
@@ -12,7 +12,6 @@
 #ifndef WATER_MAP_H
 #define WATER_MAP_H
 
-#include "core/math_func.hpp"
 #include "depot_type.h"
 #include "tile_map.h"
 
diff --git a/src/widget_type.h b/src/widget_type.h
index d8e28a6da6..467680fd4a 100644
--- a/src/widget_type.h
+++ b/src/widget_type.h
@@ -14,6 +14,7 @@
 
 #include "core/alloc_type.hpp"
 #include "core/bitmath_func.hpp"
+#include "core/math_func.hpp"
 #include "strings_type.h"
 #include "gfx_type.h"
 #include "window_type.h"
diff --git a/src/window_gui.h b/src/window_gui.h
index 766a738d85..9d694db13d 100644
--- a/src/window_gui.h
+++ b/src/window_gui.h
@@ -12,7 +12,6 @@
 #ifndef WINDOW_GUI_H
 #define WINDOW_GUI_H
 
-#include "core/math_func.hpp"
 #include "vehicle_type.h"
 #include "viewport_type.h"
 #include "company_type.h"