diff --git a/source/Cosmos/Cosmos.Hardware/Cosmos.Hardware.csproj b/source/Cosmos/Cosmos.Hardware/Cosmos.Hardware.csproj
index 70e1ed425..30bb1d6ef 100644
--- a/source/Cosmos/Cosmos.Hardware/Cosmos.Hardware.csproj
+++ b/source/Cosmos/Cosmos.Hardware/Cosmos.Hardware.csproj
@@ -85,7 +85,7 @@
     <Compile Include="PC\Bus\PCIBus.cs" />
     <Compile Include="PC\DebugUtil.cs" />
     <Compile Include="PC\Interrupts.cs" />
-    <Compile Include="TempDictionary.cs" />
+    <Compile Include="Old\TempDictionary.cs" />
     <Compile Include="Global.cs" />
     <Compile Include="Old\DebugUtil.cs" />
     <Compile Include="Old\Hardware.cs" />
diff --git a/source/Cosmos/Cosmos.Hardware/TempDictionary.cs b/source/Cosmos/Cosmos.Hardware/Old/TempDictionary.cs
similarity index 100%
rename from source/Cosmos/Cosmos.Hardware/TempDictionary.cs
rename to source/Cosmos/Cosmos.Hardware/Old/TempDictionary.cs