2 files changed, 6 insertions, 23 deletions

diff --git a/Emby.Server.Implementations/Session/SessionManager.cs b/Emby.Server.Implementations/Session/SessionManager.cs
index 607b322f2..afddfa856 100644
--- a/Emby.Server.Implementations/Session/SessionManager.cs
+++ b/Emby.Server.Implementations/Session/SessionManager.cs
@@ -58,8 +58,7 @@ namespace Emby.Server.Implementations.Session
         /// <summary>
         /// The active connections.
         /// </summary>
-        private readonly ConcurrentDictionary<string, SessionInfo> _activeConnections =
-            new ConcurrentDictionary<string, SessionInfo>(StringComparer.OrdinalIgnoreCase);
+        private readonly ConcurrentDictionary<string, SessionInfo> _activeConnections = new (StringComparer.OrdinalIgnoreCase);
 
         private Timer _idleTimer;
 
@@ -196,7 +195,7 @@ namespace Emby.Server.Implementations.Session
         {
             if (!string.IsNullOrEmpty(info.DeviceId))
             {
-                var capabilities = GetSavedCapabilities(info.DeviceId);
+                var capabilities = _deviceManager.GetCapabilities(info.DeviceId);
 
                 if (capabilities != null)
                 {
@@ -1677,27 +1676,10 @@ namespace Emby.Server.Implementations.Session
                         SessionInfo = session
                     });
 
-                try
-                {
-                    SaveCapabilities(session.DeviceId, capabilities);
-                }
-                catch (Exception ex)
-                {
-                    _logger.LogError("Error saving device capabilities", ex);
-                }
+                _deviceManager.SaveCapabilities(session.DeviceId, capabilities);
             }
         }
 
-        private ClientCapabilities GetSavedCapabilities(string deviceId)
-        {
-            return _deviceManager.GetCapabilities(deviceId);
-        }
-
-        private void SaveCapabilities(string deviceId, ClientCapabilities capabilities)
-        {
-            _deviceManager.SaveCapabilities(deviceId, capabilities);
-        }
-
         /// <summary>
         /// Converts a BaseItem to a BaseItemInfo.
         /// </summary>
diff --git a/Emby.Server.Implementations/Session/WebSocketController.cs b/Emby.Server.Implementations/Session/WebSocketController.cs
index b986ffa1c..f9c6a13c6 100644
--- a/Emby.Server.Implementations/Session/WebSocketController.cs
+++ b/Emby.Server.Implementations/Session/WebSocketController.cs
@@ -8,6 +8,7 @@ using System.Linq;
 using System.Net.WebSockets;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Net;
@@ -55,9 +56,9 @@ namespace Emby.Server.Implementations.Session
             connection.Closed += OnConnectionClosed;
         }
 
-        private void OnConnectionClosed(object sender, EventArgs e)
+        private void OnConnectionClosed(object? sender, EventArgs e)
         {
-            var connection = (IWebSocketConnection)sender;
+            var connection = sender as IWebSocketConnection ?? throw new ArgumentException($"{nameof(sender)} is not of type {nameof(IWebSocketConnection)}", nameof(sender));
             _logger.LogDebug("Removing websocket from session {Session}", _session.Id);
             _sockets.Remove(connection);
             connection.Closed -= OnConnectionClosed;