diff --git a/src/VisualStudio/CodeLens/Microsoft.VisualStudio.LanguageServices.CodeLens.csproj b/src/VisualStudio/CodeLens/Microsoft.VisualStudio.LanguageServices.CodeLens.csproj
index 46c641d9db3af909a01bc7a7098992989fdd13ef..eb90231cd3054bfb0f7bbe0bd4cf268b8b256e93 100644
--- a/src/VisualStudio/CodeLens/Microsoft.VisualStudio.LanguageServices.CodeLens.csproj
+++ b/src/VisualStudio/CodeLens/Microsoft.VisualStudio.LanguageServices.CodeLens.csproj
@@ -8,7 +8,7 @@
     <RootNamespace>Microsoft.VisualStudio.LanguageServices.CodeLens</RootNamespace>
     <TargetFramework>net472</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-
+    <ApplyNgenOptimization>partial</ApplyNgenOptimization>
     <!-- NuGet -->
     <IsPackable>false</IsPackable>
     <PackageDescription>