diff --git a/src/VisualStudio/Core/Def/ServicesVisualStudio.csproj b/src/VisualStudio/Core/Def/ServicesVisualStudio.csproj
index 43f901ab962a0cc6cf8c4aafe4c7084fa6212759..a39e901fd81a9e05296ef6dbbf1a81471d4dd78a 100644
--- a/src/VisualStudio/Core/Def/ServicesVisualStudio.csproj
+++ b/src/VisualStudio/Core/Def/ServicesVisualStudio.csproj
@@ -79,13 +79,11 @@
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\..\Compilers\Core\Portable\CodeAnalysis.csproj" />
     <ProjectReference Include="..\..\..\Workspaces\Core\Desktop\Workspaces.Desktop.csproj" />
-    <ProjectReference Include="..\..\..\Workspaces\CSharp\Portable\CSharpWorkspace.csproj" />
     <ProjectReference Include="..\..\..\EditorFeatures\Core\EditorFeatures.csproj" />
     <ProjectReference Include="..\..\..\EditorFeatures\Core.Wpf\EditorFeatures.Wpf.csproj" />
     <ProjectReference Include="..\..\..\Workspaces\Core\Portable\Workspaces.csproj" />
     <ProjectReference Include="..\..\..\Features\Core\Portable\Features.csproj" />
     <ProjectReference Include="..\..\..\EditorFeatures\Text\TextEditorFeatures.csproj" />
-    <ProjectReference Include="..\..\..\Workspaces\VisualBasic\Portable\BasicWorkspace.vbproj" />
   </ItemGroup>
   <ItemGroup Label="File References">
     <Reference Include="System.ComponentModel.Composition" />
diff --git a/src/VisualStudio/Core/Impl/ServicesVisualStudioImpl.csproj b/src/VisualStudio/Core/Impl/ServicesVisualStudioImpl.csproj
index e086436b3b99c86b7f950d49050e634bb53f1a5a..a24aa74c9abcb30ea56aa74ce4d479859afa08c9 100644
--- a/src/VisualStudio/Core/Impl/ServicesVisualStudioImpl.csproj
+++ b/src/VisualStudio/Core/Impl/ServicesVisualStudioImpl.csproj
@@ -4,12 +4,10 @@
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\..\Compilers\Core\Portable\CodeAnalysis.csproj" />
     <ProjectReference Include="..\..\..\Workspaces\Core\Desktop\Workspaces.Desktop.csproj" />
-    <ProjectReference Include="..\..\..\Workspaces\CSharp\Portable\CSharpWorkspace.csproj" />
     <ProjectReference Include="..\..\..\EditorFeatures\Core\EditorFeatures.csproj" />
     <ProjectReference Include="..\..\..\Workspaces\Core\Portable\Workspaces.csproj" />
     <ProjectReference Include="..\..\..\Features\Core\Portable\Features.csproj" />
     <ProjectReference Include="..\..\..\EditorFeatures\Text\TextEditorFeatures.csproj" />
-    <ProjectReference Include="..\..\..\Workspaces\VisualBasic\Portable\BasicWorkspace.vbproj" />
     <ProjectReference Include="..\Def\ServicesVisualStudio.csproj" />
   </ItemGroup>
   <PropertyGroup>