diff --git a/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/Microsoft.AspNetCore.Razor.Performance.csproj b/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/Microsoft.AspNetCore.Razor.Performance.csproj
index ab0ec8c6fc..e38908b067 100644
--- a/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/Microsoft.AspNetCore.Razor.Performance.csproj
+++ b/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/Microsoft.AspNetCore.Razor.Performance.csproj
@@ -6,6 +6,7 @@
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IsPackable>false</IsPackable>
+    <ExcludeFromSourceBuild>true</ExcludeFromSourceBuild>
   </PropertyGroup>
 
   <ItemGroup>