diff --git a/ILSpy.AddIn/ILSpy.AddIn.csproj b/ILSpy.AddIn/ILSpy.AddIn.csproj
index c0d961a09..1f26eaea4 100644
--- a/ILSpy.AddIn/ILSpy.AddIn.csproj
+++ b/ILSpy.AddIn/ILSpy.AddIn.csproj
@@ -44,27 +44,15 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="EnvDTE" Version="8.0.2" />
-    <PackageReference Include="EnvDTE80" Version="8.0.2" />
+    <PackageReference Include="Microsoft.VisualStudio.SDK " Version="15.9.3" />
     <PackageReference Include="Microsoft.CodeAnalysis" Version="2.4.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="2.4.0" />
-    <PackageReference Include="Microsoft.VisualStudio.ComponentModelHost" Version="15.6.27413" />
-    <PackageReference Include="Microsoft.VisualStudio.Editor" Version="15.6.27740" />
     <PackageReference Include="Microsoft.VisualStudio.LanguageServices" Version="2.4.0" />
-    <PackageReference Include="Microsoft.VisualStudio.SDK.Analyzers" Version="16.0.29" />
-    <PackageReference Include="Microsoft.VisualStudio.Shell.15.0" Version="15.6.27413" />
-    <PackageReference Include="Microsoft.VisualStudio.Shell.Interop.14.0.DesignTime" Version="14.3.26929" />
-    <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="15.6.27740" />
-    <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="15.6.27740" />
-    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="15.6.56" />
     <PackageReference Include="Mono.Cecil" Version="0.10.3" />
-    <PackageReference Include="VSLangProj" Version="7.0.3301" />
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\ICSharpCode.Decompiler\ICSharpCode.Decompiler.csproj" />
     <ProjectReference Include="..\ILSpy\ILSpy.csproj" />
-    <ProjectReference Include="..\SharpTreeView\ICSharpCode.TreeView.csproj" />
   </ItemGroup>
 
   <ItemGroup>