diff --git a/pkg/Microsoft.Private.Winforms/Microsoft.Private.Winforms.csproj b/pkg/Microsoft.Private.Winforms/Microsoft.Private.Winforms.csproj
index 58ae9d6ab88..7b6046ee57b 100644
--- a/pkg/Microsoft.Private.Winforms/Microsoft.Private.Winforms.csproj
+++ b/pkg/Microsoft.Private.Winforms/Microsoft.Private.Winforms.csproj
@@ -76,6 +76,9 @@
     <!-- Facade for System.Drawing.Design -->
     <ProjectReference Include="..\..\src\System.Drawing.Design\src\System.Drawing.Design.Facade.csproj" />
 
+    <!-- Reference and Source System.Drawing.Common -->
+    <ProjectReference Include="..\..\src\System.Drawing.Common\src\System.Drawing.Common.csproj" />
+
     <!-- Reference and Source System.Windows.Forms -->
     <ProjectReference Include="..\..\src\System.Windows.Forms\src\System.Windows.Forms.csproj" />
 
diff --git a/pkg/Microsoft.Private.Winforms/sdk/dotnet-windowsdesktop/UpdateFileClassification.ps1 b/pkg/Microsoft.Private.Winforms/sdk/dotnet-windowsdesktop/UpdateFileClassification.ps1
index 3487e2ebcde..e9d0a0fb188 100644
--- a/pkg/Microsoft.Private.Winforms/sdk/dotnet-windowsdesktop/UpdateFileClassification.ps1
+++ b/pkg/Microsoft.Private.Winforms/sdk/dotnet-windowsdesktop/UpdateFileClassification.ps1
@@ -28,10 +28,6 @@ $assemblies = $xmlDoc.package.files.file | `
     Select-Object -Unique @{Name="Path";Expression={Split-Path $_.target -Leaf}} | `
     Select-Object -ExpandProperty Path;
 
-# this isn't explicitly present in the list
-$assemblies += 'System.Drawing.Common.dll';
-
-
 $needGenerate = $null;
 [bool]::TryParse($GenerateManifest, [ref]$needGenerate) | Out-Null;
 $servicingRelease = $null;