1 files changed, 9 insertions, 11 deletions
diff --git a/Emby.Server.Implementations/Library/SearchEngine.cs b/Emby.Server.Implementations/Library/SearchEngine.cs
index 1212ba549..71638b197 100644
--- a/Emby.Server.Implementations/Library/SearchEngine.cs
+++ b/Emby.Server.Implementations/Library/SearchEngine.cs
@@ -1,17 +1,15 @@
-using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Entities.Audio;
-using MediaBrowser.Controller.Library;
-using Microsoft.Extensions.Logging;
-using MediaBrowser.Model.Querying;
-using MediaBrowser.Model.Search;
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Threading.Tasks;
 using MediaBrowser.Controller.Dto;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
 using MediaBrowser.Controller.Extensions;
+using MediaBrowser.Controller.Library;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Extensions;
+using MediaBrowser.Model.Querying;
+using MediaBrowser.Model.Search;
+using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Library
 {
@@ -64,7 +62,7 @@ namespace Emby.Server.Implementations.Library
             };
         }
 
-        private void AddIfMissing(List<string> list, string value)
+        private static void AddIfMissing(List<string> list, string value)
         {
             if (!list.Contains(value, StringComparer.OrdinalIgnoreCase))
             {
@@ -78,14 +76,14 @@ namespace Emby.Server.Implementations.Library
         /// <param name="query">The query.</param>
         /// <param name="user">The user.</param>
         /// <returns>IEnumerable{SearchHintResult}.</returns>
-        /// <exception cref="System.ArgumentNullException">searchTerm</exception>
+        /// <exception cref="ArgumentNullException">searchTerm</exception>
         private List<SearchHintInfo> GetSearchHints(SearchQuery query, User user)
         {
             var searchTerm = query.SearchTerm;
 
             if (string.IsNullOrEmpty(searchTerm))
             {
-                throw new ArgumentNullException("searchTerm");
+                throw new ArgumentNullException(nameof(searchTerm));
             }
 
             searchTerm = searchTerm.Trim().RemoveDiacritics();