diff --git a/projects/openttd_vs100.vcxproj b/projects/openttd_vs100.vcxproj
index a78ac74e09..e5c81d5392 100644
--- a/projects/openttd_vs100.vcxproj
+++ b/projects/openttd_vs100.vcxproj
@@ -304,6 +304,7 @@
     <ClCompile Include="..\src\command.cpp" />
     <ClCompile Include="..\src\console.cpp" />
     <ClCompile Include="..\src\console_cmds.cpp" />
+    <ClCompile Include="..\src\cpu.cpp" />
     <ClCompile Include="..\src\crashlog.cpp" />
     <ClCompile Include="..\src\currency.cpp" />
     <ClCompile Include="..\src\date.cpp" />
@@ -354,7 +355,6 @@
     <ClCompile Include="..\src\network\network_udp.cpp" />
     <ClCompile Include="..\src\openttd.cpp" />
     <ClCompile Include="..\src\order_backup.cpp" />
-    <ClCompile Include="..\src\os_timer.cpp" />
     <ClCompile Include="..\src\pbs.cpp" />
     <ClCompile Include="..\src\progress.cpp" />
     <ClCompile Include="..\src\rail.cpp" />
@@ -422,6 +422,7 @@
     <ClInclude Include="..\src\console_gui.h" />
     <ClInclude Include="..\src\console_internal.h" />
     <ClInclude Include="..\src\console_type.h" />
+    <ClInclude Include="..\src\cpu.h" />
     <ClInclude Include="..\src\crashlog.h" />
     <ClInclude Include="..\src\currency.h" />
     <ClInclude Include="..\src\date_func.h" />
diff --git a/projects/openttd_vs100.vcxproj.filters b/projects/openttd_vs100.vcxproj.filters
index c321597298..f0b5e18989 100644
--- a/projects/openttd_vs100.vcxproj.filters
+++ b/projects/openttd_vs100.vcxproj.filters
@@ -141,6 +141,9 @@
     <ClCompile Include="..\src\console_cmds.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\cpu.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="..\src\crashlog.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -291,9 +294,6 @@
     <ClCompile Include="..\src\order_backup.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\src\os_timer.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\src\pbs.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -495,6 +495,9 @@
     <ClInclude Include="..\src\console_type.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\cpu.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
     <ClInclude Include="..\src\crashlog.h">
       <Filter>Header Files</Filter>
     </ClInclude>
diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
index aec9671bab..a37b5d2e8c 100644
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -486,6 +486,10 @@
 				RelativePath=".\..\src\console_cmds.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\cpu.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\crashlog.cpp"
 				>
@@ -686,10 +690,6 @@
 				RelativePath=".\..\src\order_backup.cpp"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\os_timer.cpp"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\pbs.cpp"
 				>
@@ -962,6 +962,10 @@
 				RelativePath=".\..\src\console_type.h"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\cpu.h"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\crashlog.h"
 				>
diff --git a/projects/openttd_vs90.vcproj b/projects/openttd_vs90.vcproj
index b4f44c7fe4..37c413db00 100644
--- a/projects/openttd_vs90.vcproj
+++ b/projects/openttd_vs90.vcproj
@@ -483,6 +483,10 @@
 				RelativePath=".\..\src\console_cmds.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\cpu.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\crashlog.cpp"
 				>
@@ -683,10 +687,6 @@
 				RelativePath=".\..\src\order_backup.cpp"
 				>
 			</File>
-			<File
-				RelativePath=".\..\src\os_timer.cpp"
-				>
-			</File>
 			<File
 				RelativePath=".\..\src\pbs.cpp"
 				>
@@ -959,6 +959,10 @@
 				RelativePath=".\..\src\console_type.h"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\cpu.h"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\crashlog.h"
 				>