diff --git a/projects/openttd.vcproj b/projects/openttd.vcproj
index 23605a4edc..5f87f8ec72 100644
--- a/projects/openttd.vcproj
+++ b/projects/openttd.vcproj
@@ -498,9 +498,6 @@
 			<File
 				RelativePath=".\..\src\heightmap.h">
 			</File>
-			<File
-				RelativePath=".\..\src\helpers.hpp">
-			</File>
 			<File
 				RelativePath=".\..\src\industry.h">
 			</File>
@@ -510,9 +507,6 @@
 			<File
 				RelativePath=".\..\src\livery.h">
 			</File>
-			<File
-				RelativePath=".\..\src\macros.h">
-			</File>
 			<File
 				RelativePath=".\..\src\map.h">
 			</File>
diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
index 139757f3e3..25c509d8b6 100644
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -895,10 +895,6 @@
 				RelativePath=".\..\src\heightmap.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\helpers.hpp"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\industry.h"
 				>
@@ -911,10 +907,6 @@
 				RelativePath=".\..\src\livery.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\macros.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\map.h"
 				>
diff --git a/projects/openttd_vs90.vcproj b/projects/openttd_vs90.vcproj
index 93bac29561..3e76ade154 100644
--- a/projects/openttd_vs90.vcproj
+++ b/projects/openttd_vs90.vcproj
@@ -892,10 +892,6 @@
 				RelativePath=".\..\src\heightmap.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\helpers.hpp"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\industry.h"
 				>
@@ -908,10 +904,6 @@
 				RelativePath=".\..\src\livery.h"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\macros.h"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\map.h"
 				>
diff --git a/source.list b/source.list
index 2c4be5c629..318039a8d8 100644
--- a/source.list
+++ b/source.list
@@ -132,11 +132,9 @@ gfxinit.h
 group.h
 gui.h
 heightmap.h
-helpers.hpp
 industry.h
 landscape.h
 livery.h
-macros.h
 map.h
 md5.h
 mixer.h