diff --git a/src/Microsoft.Management.UI.Internal/ManagementList/FilterCore/IDeepCloneable.cs b/src/Microsoft.Management.UI.Internal/ManagementList/FilterCore/IDeepCloneable.cs
index 3090f93a95c..841a2424b51 100644
--- a/src/Microsoft.Management.UI.Internal/ManagementList/FilterCore/IDeepCloneable.cs
+++ b/src/Microsoft.Management.UI.Internal/ManagementList/FilterCore/IDeepCloneable.cs
@@ -6,8 +6,7 @@ namespace Microsoft.Management.UI.Internal
     /// <summary>
     /// Defines a generalized method for creating a deep copy of an instance.
     /// </summary>
-    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.MSInternal", "CA903:InternalNamespaceShouldNotContainPublicTypes")]
-    public interface IDeepCloneable
+    internal interface IDeepCloneable
     {
         /// <summary>
         /// Creates a deep copy of the current instance.