diff --git a/MusicTypeChat.ServiceInterface/Data/Contact.cs b/MusicTypeChat.ServiceInterface/Data/Contact.cs
deleted file mode 100644
index f330c96..0000000
--- a/MusicTypeChat.ServiceInterface/Data/Contact.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-using System;
-using MusicTypeChat.ServiceModel.Types;
-
-namespace MusicTypeChat.ServiceInterface.Data;
-
-///
-/// Example of using separate DataModel and DTO
-///
-public class Contact
-{
- public int Id { get; set; }
- public int UserAuthId { get; set; }
- public Title Title { get; set; }
- public string? Name { get; set; }
- public string? Color { get; set; }
- public FilmGenre? FavoriteGenre { get; set; }
- public int Age { get; set; }
- public DateTime CreatedDate { get; set; }
- public DateTime ModifiedDate { get; set; }
-}
diff --git a/MusicTypeChat.ServiceInterface/MusicService.cs b/MusicTypeChat.ServiceInterface/MusicService.cs
index 9d90a33..1660344 100644
--- a/MusicTypeChat.ServiceInterface/MusicService.cs
+++ b/MusicTypeChat.ServiceInterface/MusicService.cs
@@ -57,7 +57,7 @@ public async Task