diff --git a/vsintegration/src/FSharp.ProjectSystem.Base/Project/ProjectSystem.Base.csproj b/vsintegration/src/FSharp.ProjectSystem.Base/Project/ProjectSystem.Base.csproj
index f4a34ebf7e9f0a398bee5c872714bbd487952e22..a7090620e50d270097dd3828beae2199d5d037ef 100644
--- a/vsintegration/src/FSharp.ProjectSystem.Base/Project/ProjectSystem.Base.csproj
+++ b/vsintegration/src/FSharp.ProjectSystem.Base/Project/ProjectSystem.Base.csproj
@@ -36,7 +36,6 @@
   <ItemGroup>
     <ProjectReference Include="$(FSharpSourcesRoot)\fsharp\FSharp.Core\FSharp.Core.fsproj" />
     <ProjectReference Include="$(FSharpSourcesRoot)\fsharp\FSharp.Compiler.Private\FSharp.Compiler.Private.fsproj" />
-    <ProjectReference Include="..\..\FSharp.LanguageService.Base\FSharp.LanguageService.Base.csproj" />
   </ItemGroup>
 
   <ItemGroup>