diff --git a/Emby.Dlna/PlayTo/PlayToManager.cs b/Emby.Dlna/PlayTo/PlayToManager.cs
index ef617422c4..b05e0a0957 100644
--- a/Emby.Dlna/PlayTo/PlayToManager.cs
+++ b/Emby.Dlna/PlayTo/PlayToManager.cs
@@ -39,9 +39,9 @@ namespace Emby.Dlna.PlayTo
         private readonly IMediaSourceManager _mediaSourceManager;
         private readonly IMediaEncoder _mediaEncoder;
 
+        private readonly SemaphoreSlim _sessionLock = new SemaphoreSlim(1, 1);
+        private readonly CancellationTokenSource _disposeCancellationTokenSource = new CancellationTokenSource();
         private bool _disposed;
-        private SemaphoreSlim _sessionLock = new SemaphoreSlim(1, 1);
-        private CancellationTokenSource _disposeCancellationTokenSource = new CancellationTokenSource();
 
         public PlayToManager(ILogger logger, ISessionManager sessionManager, ILibraryManager libraryManager, IUserManager userManager, IDlnaManager dlnaManager, IServerApplicationHost appHost, IImageProcessor imageProcessor, IDeviceDiscovery deviceDiscovery, IHttpClientFactory httpClientFactory, IUserDataManager userDataManager, ILocalizationManager localization, IMediaSourceManager mediaSourceManager, IMediaEncoder mediaEncoder)
         {
diff --git a/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs b/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs
index 6edfad575a..39524be1d4 100644
--- a/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs
+++ b/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs
@@ -10,8 +10,6 @@ namespace Emby.Server.Implementations.AppBase
     /// </summary>
     public abstract class BaseApplicationPaths : IApplicationPaths
     {
-        private string _dataPath;
-
         /// <summary>
         /// Initializes a new instance of the <see cref="BaseApplicationPaths"/> class.
         /// </summary>
@@ -33,7 +31,7 @@ namespace Emby.Server.Implementations.AppBase
             CachePath = cacheDirectoryPath;
             WebPath = webDirectoryPath;
 
-            _dataPath = Directory.CreateDirectory(Path.Combine(ProgramDataPath, "data")).FullName;
+            DataPath = Directory.CreateDirectory(Path.Combine(ProgramDataPath, "data")).FullName;
         }
 
         /// <summary>
@@ -55,7 +53,7 @@ namespace Emby.Server.Implementations.AppBase
         /// Gets the folder path to the data directory.
         /// </summary>
         /// <value>The data directory.</value>
-        public string DataPath => _dataPath;
+        public string DataPath { get; }
 
         /// <inheritdoc />
         public string VirtualDataPath => "%AppDataPath%";
diff --git a/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs b/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
index 54191649da..f810bf170b 100644
--- a/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
+++ b/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
@@ -40,9 +40,9 @@ namespace Emby.Server.Implementations.EntryPoints
         /// <summary>
         /// The UDP server.
         /// </summary>
-        private List<UdpServer> _udpServers;
-        private CancellationTokenSource _cancellationTokenSource = new CancellationTokenSource();
-        private bool _disposed = false;
+        private readonly List<UdpServer> _udpServers;
+        private readonly CancellationTokenSource _cancellationTokenSource = new CancellationTokenSource();
+        private bool _disposed;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="UdpServerEntryPoint" /> class.
diff --git a/MediaBrowser.Controller/LiveTv/LiveTvProgram.cs b/MediaBrowser.Controller/LiveTv/LiveTvProgram.cs
index c721fb7785..05540d490f 100644
--- a/MediaBrowser.Controller/LiveTv/LiveTvProgram.cs
+++ b/MediaBrowser.Controller/LiveTv/LiveTvProgram.cs
@@ -20,7 +20,7 @@ namespace MediaBrowser.Controller.LiveTv
 {
     public class LiveTvProgram : BaseItem, IHasLookupInfo<ItemLookupInfo>, IHasStartDate, IHasProgramAttributes
     {
-        private static string EmbyServiceName = "Emby";
+        private const string EmbyServiceName = "Emby";
 
         public LiveTvProgram()
         {
diff --git a/MediaBrowser.Controller/Net/BasePeriodicWebSocketListener.cs b/MediaBrowser.Controller/Net/BasePeriodicWebSocketListener.cs
index e0942e490b..0a706c307a 100644
--- a/MediaBrowser.Controller/Net/BasePeriodicWebSocketListener.cs
+++ b/MediaBrowser.Controller/Net/BasePeriodicWebSocketListener.cs
@@ -34,7 +34,7 @@ namespace MediaBrowser.Controller.Net
         /// <summary>
         /// The logger.
         /// </summary>
-        protected ILogger<BasePeriodicWebSocketListener<TReturnDataType, TStateType>> Logger;
+        protected readonly ILogger<BasePeriodicWebSocketListener<TReturnDataType, TStateType>> Logger;
 
         protected BasePeriodicWebSocketListener(ILogger<BasePeriodicWebSocketListener<TReturnDataType, TStateType>> logger)
         {
diff --git a/MediaBrowser.MediaEncoding/BdInfo/BdInfoFileInfo.cs b/MediaBrowser.MediaEncoding/BdInfo/BdInfoFileInfo.cs
index 9e7a1d50a3..1f94d9b23e 100644
--- a/MediaBrowser.MediaEncoding/BdInfo/BdInfoFileInfo.cs
+++ b/MediaBrowser.MediaEncoding/BdInfo/BdInfoFileInfo.cs
@@ -8,7 +8,7 @@ namespace MediaBrowser.MediaEncoding.BdInfo;
 /// </summary>
 public class BdInfoFileInfo : BDInfo.IO.IFileInfo
 {
-    private FileSystemMetadata _impl;
+    private readonly FileSystemMetadata _impl;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="BdInfoFileInfo" /> class.
diff --git a/MediaBrowser.XbmcMetadata/Providers/BaseNfoProvider.cs b/MediaBrowser.XbmcMetadata/Providers/BaseNfoProvider.cs
index af581fc5df..9b4e1731d1 100644
--- a/MediaBrowser.XbmcMetadata/Providers/BaseNfoProvider.cs
+++ b/MediaBrowser.XbmcMetadata/Providers/BaseNfoProvider.cs
@@ -13,7 +13,7 @@ namespace MediaBrowser.XbmcMetadata.Providers
     public abstract class BaseNfoProvider<T> : ILocalMetadataProvider<T>, IHasItemChangeMonitor
         where T : BaseItem, new()
     {
-        private IFileSystem _fileSystem;
+        private readonly IFileSystem _fileSystem;
 
         protected BaseNfoProvider(IFileSystem fileSystem)
         {