1 files changed, 3 insertions, 1 deletions
diff --git a/src/coreclr/tools/Common/Internal/Metadata/NativeFormat/NativeMetadataReader.cs b/src/coreclr/tools/Common/Internal/Metadata/NativeFormat/NativeMetadataReader.cs
index 170dbc9efda..673867d0f99 100644
--- a/src/coreclr/tools/Common/Internal/Metadata/NativeFormat/NativeMetadataReader.cs
+++ b/src/coreclr/tools/Common/Internal/Metadata/NativeFormat/NativeMetadataReader.cs
@@ -6,10 +6,12 @@
 #pragma warning disable CA1066 // IEquatable<T> implementations aren't used
 
 using System;
+#pragma warning disable IDE0005 // Using directive is unnecessary.
 using System.IO;
 using System.Collections.Generic;
 using System.Reflection;
 using System.Runtime.CompilerServices;
+#pragma warning restore IDE0005 // Using directive is unnecessary.
 using Internal.NativeFormat;
 
 namespace Internal.Metadata.NativeFormat
@@ -248,7 +250,7 @@ namespace Internal.Metadata.NativeFormat
         }
     }
 
-    internal partial class MetadataHeader
+    internal sealed partial class MetadataHeader
     {
         /// <todo>
         /// Signature should be updated every time the metadata schema changes.