diff --git a/Flow.Launcher.Infrastructure/UI/EnumBindingSource.cs b/Flow.Launcher.Infrastructure/UI/EnumBindingSource.cs
index 350c892cf..f9504e6d9 100644
--- a/Flow.Launcher.Infrastructure/UI/EnumBindingSource.cs
+++ b/Flow.Launcher.Infrastructure/UI/EnumBindingSource.cs
@@ -3,6 +3,7 @@ using System.Windows.Markup;
 
 namespace Flow.Launcher.Infrastructure.UI
 {
+    [Obsolete("EnumBindingSourceExtension is obsolete. Use with Flow.Launcher.Localization NuGet package instead.")]
     public class EnumBindingSourceExtension : MarkupExtension
     {
         private Type _enumType;