diff --git a/YandexMusic.API/Extensions/API/YAlbumExtensions.cs b/YandexMusic.API/Extensions/API/YAlbumExtensions.cs
deleted file mode 100644
index e0d7e94..0000000
--- a/YandexMusic.API/Extensions/API/YAlbumExtensions.cs
+++ /dev/null
@@ -1,24 +0,0 @@
-using YandexMusic.API.Models.Album;
-
-namespace YandexMusic.API.Extensions.API;
-
-/// <summary>
-/// Методы-расширения для альбома
-/// </summary>
-public static partial class YAlbumExtensions
-{
-    public static YAlbum WithTracks(this YAlbum album)
-    {
-        return WithTracksAsync(album).GetAwaiter().GetResult();
-    }
-
-    public static string AddLike(this YAlbum album)
-    {
-        return AddLikeAsync(album).GetAwaiter().GetResult();
-    }
-
-    public static string RemoveLike(this YAlbum album)
-    {
-        return RemoveLikeAsync(album).GetAwaiter().GetResult();
-    }
-}
diff --git a/YandexMusic.API/Extensions/API/YArtistExtensions.cs b/YandexMusic.API/Extensions/API/YArtistExtensions.cs
deleted file mode 100644
index f80160d..0000000
--- a/YandexMusic.API/Extensions/API/YArtistExtensions.cs
+++ /dev/null
@@ -1,35 +0,0 @@
-using YandexMusic.API.Models.Artist;
-using YandexMusic.API.Models.Track;
-
-namespace YandexMusic.API.Extensions.API;
-
-/// <summary>
-/// Методы-расширения для исполнителя
-/// </summary>
-public static partial class YArtistExtensions
-{
-    public static YArtistBriefInfo BriefInfo(this YArtist artist)
-    {
-        return BriefInfoAsync(artist).GetAwaiter().GetResult();
-    }
-
-    public static YTracksPage GetTracks(this YArtist artist, int page = 0, int pageSize = 20)
-    {
-        return GetTracksAsync(artist, page, pageSize).GetAwaiter().GetResult();
-    }
-
-    public static List<YTrack> GetAllTracks(this YArtist artist)
-    {
-        return GetAllTracksAsync(artist).GetAwaiter().GetResult();
-    }
-
-    public static string AddLike(this YArtist artist)
-    {
-        return AddLikeAsync(artist).GetAwaiter().GetResult();
-    }
-
-    public static string RemoveLike(this YArtist artist)
-    {
-        return RemoveLikeAsync(artist).GetAwaiter().GetResult();
-    }
-}
diff --git a/YandexMusic.API/Extensions/API/YPlaylistExtensions.cs b/YandexMusic.API/Extensions/API/YPlaylistExtensions.cs
deleted file mode 100644
index 222ea9f..0000000
--- a/YandexMusic.API/Extensions/API/YPlaylistExtensions.cs
+++ /dev/null
@@ -1,55 +0,0 @@
-using YandexMusic.API.Models.Playlist;
-using YandexMusic.API.Models.Track;
-
-namespace YandexMusic.API.Extensions.API;
-
-/// <summary>
-/// Методы-расширения для плейлиста
-/// </summary>
-public static partial class YPlaylistExtensions
-{
-    private static bool CheckUser(YPlaylist playlist)
-    {
-        return playlist.Owner.Uid == playlist.Context.Storage.User.Uid;
-    }
-
-    public static YPlaylist WithTracks(this YPlaylist playlist)
-    {
-        return WithTracksAsync(playlist).GetAwaiter().GetResult();
-    }
-
-    public static string AddLike(this YPlaylist playlist)
-    {
-        return AddLikeAsync(playlist).GetAwaiter().GetResult();
-    }
-
-    public static string RemoveLike(this YPlaylist playlist)
-    {
-        return RemoveLikeAsync(playlist).GetAwaiter().GetResult();
-    }
-
-    public static YPlaylist Rename(this YPlaylist playlist, string newName)
-    {
-        return RenameAsync(playlist, newName).GetAwaiter().GetResult();
-    }
-
-    public static bool Delete(this YPlaylist playlist)
-    {
-        return DeleteAsync(playlist).GetAwaiter().GetResult();
-    }
-
-    public static YPlaylist InsertTracks(this YPlaylist playlist, params YTrack[] tracks)
-    {
-        return InsertTracksAsync(playlist, tracks).GetAwaiter().GetResult();
-    }
-
-    public static YPlaylist RemoveTracks(this YPlaylist playlist, params YTrack[] tracks)
-    {
-        return RemoveTracksAsync(playlist, tracks).GetAwaiter().GetResult();
-    }
-
-    public static bool UploadTracks(this YPlaylist playlist, string filePath, string fileName)
-    {
-        return UploadTracksAsync(playlist, filePath, fileName).GetAwaiter().GetResult();
-    }
-}
diff --git a/YandexMusic.API/Extensions/API/YStationResultExtensions.cs b/YandexMusic.API/Extensions/API/YStationResultExtensions.cs
deleted file mode 100644
index f0d774b..0000000
--- a/YandexMusic.API/Extensions/API/YStationResultExtensions.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-using YandexMusic.API.Models.Radio;
-using YandexMusic.API.Models.Track;
-
-namespace YandexMusic.API.Extensions.API;
-
-/// <summary>
-/// Методы-расширения для радиостанции
-/// </summary>
-public static partial class YStationResultExtensions
-{
-    public static List<YSequenceItem> GetTracks(this YStation station, string prevTrackId = "")
-    {
-        return GetTracksAsync(station, prevTrackId).GetAwaiter().GetResult();
-    }
-
-    public static string SetSettings2(this YStation station, YStationSettings2 settings)
-    {
-        return SetSettings2Async(station, settings).GetAwaiter().GetResult();
-    }
-
-    public static string SendFeedBack(this YStation station, YStationFeedbackType type, YTrack track = null, string batchId = "", double totalPlayedSeconds = 0)
-    {
-        return SendFeedBackAsync(station, type, track, batchId, totalPlayedSeconds).GetAwaiter().GetResult();
-    }
-}
diff --git a/YandexMusic.API/Extensions/API/YTrackExtensions.cs b/YandexMusic.API/Extensions/API/YTrackExtensions.cs
deleted file mode 100644
index 61465c6..0000000
--- a/YandexMusic.API/Extensions/API/YTrackExtensions.cs
+++ /dev/null
@@ -1,54 +0,0 @@
-using YandexMusic.API.Models.Track;
-
-namespace YandexMusic.API.Extensions.API;
-
-/// <summary>
-/// Методы-расширения для трека
-/// </summary>
-public static partial class YTrackExtensions
-{
-    public static string GetLink(this YTrack track)
-    {
-        return GetLinkAsync(track).GetAwaiter().GetResult();
-    }
-
-    public static void Save(this YTrack track, string filePath)
-    {
-        SaveAsync(track, filePath).GetAwaiter().GetResult();
-    }
-
-    public static int AddLike(this YTrack track)
-    {
-        return AddLikeAsync(track).GetAwaiter().GetResult();
-    }
-
-    public static int RemoveLike(this YTrack track)
-    {
-        return RemoveLikeAsync(track).GetAwaiter().GetResult();
-    }
-
-    public static int AddDislike(this YTrack track)
-    {
-        return AddDislikeAsync(track).GetAwaiter().GetResult();
-    }
-
-    public static int RemoveDislike(this YTrack track)
-    {
-        return RemoveDislikeAsync(track).GetAwaiter().GetResult();
-    }
-
-    public static string SendPlayTrackInfo(this YTrack track, string from, bool fromCache = false, string playId = "", string playlistId = "", double totalPlayedSeconds = 0, double endPositionSeconds = 0)
-    {
-        return SendPlayTrackInfoAsync(track, from, fromCache, playId, playlistId, totalPlayedSeconds).GetAwaiter().GetResult();
-    }
-
-    public static YTrackSupplement Supplement(this YTrack track)
-    {
-        return SupplementAsync(track).GetAwaiter().GetResult();
-    }
-
-    public static YTrackSimilar Similar(this YTrack track)
-    {
-        return SimilarAsync(track).GetAwaiter().GetResult();
-    }
-}