diff --git a/BizHawk.Client.Common/BizHawk.Client.Common.csproj b/BizHawk.Client.Common/BizHawk.Client.Common.csproj
index 0b0ad9873f..c33623090e 100644
--- a/BizHawk.Client.Common/BizHawk.Client.Common.csproj
+++ b/BizHawk.Client.Common/BizHawk.Client.Common.csproj
@@ -160,7 +160,6 @@
     <Compile Include="lua\EnvironmentSandbox.cs" />
     <Compile Include="lua\LuaAttributes.cs" />
     <Compile Include="lua\LuaDocumentation.cs" />
-    <Compile Include="lua\LuaExtensions.cs" />
     <Compile Include="lua\LuaFile.cs" />
     <Compile Include="lua\LuaFileList.cs" />
     <Compile Include="lua\LuaFunctionList.cs" />