diff --git a/SpotifyAPI.Web/Clients/ArtistsClient.cs b/SpotifyAPI.Web/Clients/ArtistsClient.cs
index fb59fd49..533e0f0c 100644
--- a/SpotifyAPI.Web/Clients/ArtistsClient.cs
+++ b/SpotifyAPI.Web/Clients/ArtistsClient.cs
@@ -19,6 +19,7 @@ namespace SpotifyAPI.Web
     public Task<FullArtist> Get(string artistId, ArtistRequest request, CancellationToken cancel = default)
     {
       Ensure.ArgumentNotNullOrEmptyString(artistId, nameof(artistId));
+      Ensure.ArgumentNotNull(request, nameof(request));
 
       return API.Get<FullArtist>(URLs.Artist(artistId), request.BuildQueryParams(), cancel);
     }
@@ -48,6 +49,7 @@ namespace SpotifyAPI.Web
     public Task<ArtistsRelatedArtistsResponse> GetRelatedArtists(string artistId, ArtistsRelatedArtistsRequest request, CancellationToken cancel = default)
     {
       Ensure.ArgumentNotNullOrEmptyString(artistId, nameof(artistId));
+      Ensure.ArgumentNotNull(request, nameof(request));
 
       return API.Get<ArtistsRelatedArtistsResponse>(URLs.ArtistRelatedArtists(artistId), request.BuildQueryParams(), cancel);
     }
diff --git a/SpotifyAPI.Web/Models/Request/ArtistRequest.cs b/SpotifyAPI.Web/Models/Request/ArtistRequest.cs
index 12d0d9a3..896be83c 100644
--- a/SpotifyAPI.Web/Models/Request/ArtistRequest.cs
+++ b/SpotifyAPI.Web/Models/Request/ArtistRequest.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-
 namespace SpotifyAPI.Web
 {
   public class ArtistRequest : RequestParams
diff --git a/SpotifyAPI.Web/Models/Request/PlaylistGetUsersRequest.cs b/SpotifyAPI.Web/Models/Request/PlaylistGetUsersRequest.cs
index 506e2f7e..e8c43870 100644
--- a/SpotifyAPI.Web/Models/Request/PlaylistGetUsersRequest.cs
+++ b/SpotifyAPI.Web/Models/Request/PlaylistGetUsersRequest.cs
@@ -15,8 +15,8 @@ namespace SpotifyAPI.Web
     /// </summary>
     /// <value></value>
     [QueryParam("offset")]
-    public int? Offset { get; set; }
-
+    public int? Offset { get; set; }
+
     /// <summary>
     /// The desired language, consisting of an ISO 639-1 language code and an ISO 3166-1 alpha-2 country code,
     /// joined by an underscore. For example: es_MX, meaning "Spanish (Mexico)".
@@ -25,8 +25,7 @@ namespace SpotifyAPI.Web
     /// the category strings returned will be in the Spotify default language (American English).
     /// </summary>
     /// <value></value>
-    [QueryParam("locale")]
-    public string? Locale { get; set; }
+    [QueryParam("locale")]
+    public string? Locale { get; set; }
   }
 }
-