diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
index 4bd4c4cf75..ce52d627da 100644
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -803,10 +803,6 @@
 				RelativePath=".\..\src\cargotype.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\command.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\console.h"
 				>
@@ -827,10 +823,6 @@
 				RelativePath=".\..\src\currency.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\date.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\debug.h"
 				>
@@ -843,10 +835,6 @@
 				RelativePath=".\..\src\depot.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\direction.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\music\dmusic.h"
 				>
@@ -855,10 +843,6 @@
 				RelativePath=".\..\src\driver.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\economy.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\engine.h"
 				>
@@ -883,10 +867,6 @@
 				RelativePath=".\..\src\genworld.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\gfx.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\gfxinit.h"
 				>
@@ -915,10 +895,6 @@
 				RelativePath=".\..\src\livery.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\map.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\md5.h"
 				>
@@ -1059,10 +1035,6 @@
 				RelativePath=".\..\src\pathfind.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\player.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\player_face.h"
 				>
@@ -1095,10 +1067,6 @@
 				RelativePath=".\..\src\video\sdl_v.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\settings.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\signs.h"
 				>
@@ -1107,14 +1075,6 @@
 				RelativePath=".\..\src\signal_func.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\slope.h"
-				>
-			</File>
-			<File
-				RelativePath=".\..\src\sound.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\sprite.h"
 				>
@@ -1135,10 +1095,6 @@
 				RelativePath=".\..\src\stdafx.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\string.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\texteff.hpp"
 				>
@@ -1151,10 +1107,6 @@
 				RelativePath=".\..\src\thread.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\tile.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\timetable.h"
 				>
@@ -1183,18 +1135,10 @@
 				RelativePath=".\..\src\variables.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\vehicle.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\vehicle_gui.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\viewport.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\waypoint.h"
 				>
@@ -1211,14 +1155,6 @@
 				RelativePath=".\..\src\video\win32_v.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\window.h"
-				>
-			</File>
-			<File
-				RelativePath=".\..\src\widgets\dropdown.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\widgets\dropdown_type.h"
 				>
@@ -1227,10 +1163,6 @@
 				RelativePath=".\..\src\widgets\dropdown_func.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\zoom.hpp"
-				>
-			</File>
 		</Filter>
 		<Filter
 			Name="GUI Source Code"
diff --git a/projects/openttd_vs90.vcproj b/projects/openttd_vs90.vcproj
index 9b81614af7..2ba7615179 100644
--- a/projects/openttd_vs90.vcproj
+++ b/projects/openttd_vs90.vcproj
@@ -800,10 +800,6 @@
 				RelativePath=".\..\src\cargotype.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\command.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\console.h"
 				>
@@ -824,10 +820,6 @@
 				RelativePath=".\..\src\currency.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\date.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\debug.h"
 				>
@@ -840,10 +832,6 @@
 				RelativePath=".\..\src\depot.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\direction.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\music\dmusic.h"
 				>
@@ -852,10 +840,6 @@
 				RelativePath=".\..\src\driver.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\economy.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\engine.h"
 				>
@@ -880,10 +864,6 @@
 				RelativePath=".\..\src\genworld.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\gfx.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\gfxinit.h"
 				>
@@ -912,10 +892,6 @@
 				RelativePath=".\..\src\livery.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\map.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\md5.h"
 				>
@@ -1056,10 +1032,6 @@
 				RelativePath=".\..\src\pathfind.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\player.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\player_face.h"
 				>
@@ -1092,10 +1064,6 @@
 				RelativePath=".\..\src\video\sdl_v.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\settings.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\signs.h"
 				>
@@ -1104,14 +1072,6 @@
 				RelativePath=".\..\src\signal_func.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\slope.h"
-				>
-			</File>
-			<File
-				RelativePath=".\..\src\sound.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\sprite.h"
 				>
@@ -1132,10 +1092,6 @@
 				RelativePath=".\..\src\stdafx.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\string.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\texteff.hpp"
 				>
@@ -1148,10 +1104,6 @@
 				RelativePath=".\..\src\thread.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\tile.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\timetable.h"
 				>
@@ -1180,18 +1132,10 @@
 				RelativePath=".\..\src\variables.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\vehicle.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\vehicle_gui.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\viewport.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\waypoint.h"
 				>
@@ -1208,14 +1152,6 @@
 				RelativePath=".\..\src\video\win32_v.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\window.h"
-				>
-			</File>
-			<File
-				RelativePath=".\..\src\widgets\dropdown.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\widgets\dropdown_type.h"
 				>
@@ -1224,10 +1160,6 @@
 				RelativePath=".\..\src\widgets\dropdown_func.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\zoom.hpp"
-				>
-			</File>
 		</Filter>
 		<Filter
 			Name="GUI Source Code"
diff --git a/source.list b/source.list
index 4b182cf248..351471cf96 100644
--- a/source.list
+++ b/source.list
@@ -109,27 +109,22 @@ aystar.h
 bmp.h
 cargopacket.h
 cargotype.h
-command.h
 console.h
 core/bitmath_func.hpp
 core/math_func.hpp
 core/random_func.hpp
 currency.h
-date.h
 debug.h
 video/dedicated_v.h
 depot.h
-direction.h
 music/dmusic.h
 driver.h
-economy.h
 engine.h
 fileio.h
 fios.h
 fontcache.h
 functions.h
 genworld.h
-gfx.h
 gfxinit.h
 group.h
 gui.h
@@ -137,7 +132,6 @@ heightmap.h
 industry.h
 landscape.h
 livery.h
-map.h
 md5.h
 mixer.h
 music.h
@@ -173,7 +167,6 @@ video/null_v.h
 oldpool.h
 openttd.h
 pathfind.h
-player.h
 player_face.h
 queue.h
 rail.h
@@ -182,21 +175,16 @@ saveload.h
 screenshot.h
 sound/sdl_s.h
 video/sdl_v.h
-settings.h
 signs.h
 signal_func.h
-slope.h
-sound.h
 sprite.h
 spritecache.h
 station.h
 station_gui.h
 stdafx.h
-string.h
 texteff.hpp
 tgp.h
 thread.h
-tile.h
 timetable.h
 town.h
 train.h
@@ -204,18 +192,13 @@ transparency.h
 transparency_gui.h
 tunnelbridge.h
 variables.h
-vehicle.h
 vehicle_gui.h
-viewport.h
 waypoint.h
 music/win32_m.h
 sound/win32_s.h
 video/win32_v.h
-window.h
-widgets/dropdown.h
 widgets/dropdown_type.h
 widgets/dropdown_func.h
-zoom.hpp
 
 # GUI Source Code
 aircraft_gui.cpp