diff --git a/src/Docnet.csproj b/src/Docnet.csproj
index 3c94616..951ac3e 100644
--- a/src/Docnet.csproj
+++ b/src/Docnet.csproj
@@ -51,7 +51,6 @@
   <ItemGroup>
     <Compile Include="CliInput.cs" />
     <Compile Include="Config.cs" />
-    <Compile Include="Constants.cs" />
     <Compile Include="Engine.cs" />
     <Compile Include="INavigationElement.cs" />
     <Compile Include="MarkdownSharp.cs" />