diff --git a/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs b/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
index a8e8f815a0..efe8f98ec7 100644
--- a/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
+++ b/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
@@ -501,7 +501,6 @@ namespace Emby.Server.Implementations.Activity
             _sessionManager.PlaybackStart -= _sessionManager_PlaybackStart;
             _sessionManager.PlaybackStopped -= _sessionManager_PlaybackStopped;
 
-            _subManager.SubtitlesDownloaded -= _subManager_SubtitlesDownloaded;
             _subManager.SubtitleDownloadFailure -= _subManager_SubtitleDownloadFailure;
 
             _userManager.UserCreated -= _userManager_UserCreated;
diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index 454e266f78..31dad48bef 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -112,7 +112,6 @@ using ServiceStack;
 using ServiceStack.Text.Jsv;
 using StringExtensions = MediaBrowser.Controller.Extensions.StringExtensions;
 using X509Certificate = System.Security.Cryptography.X509Certificates.X509Certificate;
-using UtfUnknown;
 
 namespace Emby.Server.Implementations
 {
@@ -881,7 +880,7 @@ namespace Emby.Server.Implementations
             MediaSourceManager = new MediaSourceManager(ItemRepository, ApplicationPaths, LocalizationManager, UserManager, LibraryManager, LoggerFactory, JsonSerializer, FileSystemManager, UserDataManager, TimerFactory, () => MediaEncoder);
             RegisterSingleInstance(MediaSourceManager);
 
-            SubtitleManager = new SubtitleManager(LoggerFactory, FileSystemManager, LibraryMonitor, MediaSourceManager, ServerConfigurationManager, LocalizationManager);
+            SubtitleManager = new SubtitleManager(LoggerFactory, FileSystemManager, LibraryMonitor, MediaSourceManager, LocalizationManager);
             RegisterSingleInstance(SubtitleManager);
 
             ProviderManager = new ProviderManager(HttpClient, SubtitleManager, ServerConfigurationManager, LibraryMonitor, LoggerFactory, FileSystemManager, ApplicationPaths, () => LibraryManager, JsonSerializer);
diff --git a/MediaBrowser.Api/PluginService.cs b/MediaBrowser.Api/PluginService.cs
index 94be454744..af61887b20 100644
--- a/MediaBrowser.Api/PluginService.cs
+++ b/MediaBrowser.Api/PluginService.cs
@@ -153,7 +153,11 @@ namespace MediaBrowser.Api
         private readonly INetworkManager _network;
         private readonly IDeviceManager _deviceManager;
 
-        public PluginService(IJsonSerializer jsonSerializer, IApplicationHost appHost, IInstallationManager installationManager, INetworkManager network, IDeviceManager deviceManager)
+        public PluginService(IJsonSerializer jsonSerializer,
+            IApplicationHost appHost,
+            IInstallationManager installationManager,
+            INetworkManager network,
+            IDeviceManager deviceManager)
             : base()
         {
             if (jsonSerializer == null)
@@ -173,7 +177,7 @@ namespace MediaBrowser.Api
         /// </summary>
         /// <param name="request">The request.</param>
         /// <returns>System.Object.</returns>
-        public async Task<object> Get(GetRegistrationStatus request)
+        public object Get(GetRegistrationStatus request)
         {
             var record = new MBRegistrationRecord
             {
@@ -187,26 +191,12 @@ namespace MediaBrowser.Api
             return ToOptimizedResult(record);
         }
 
-        //TODO this function is only kept for compatibility and should be removed once paid plugins break
-        public async Task<object> Get(GetRegistration request)
-        {
-            var info = new RegistrationInfo
-            {
-                ExpirationDate = DateTime.Now.AddYears(100),
-                IsRegistered = true,
-                IsTrial = false,
-                Name = request.Name
-            };
-
-            return ToOptimizedResult(info);
-        }
-
         /// <summary>
         /// Gets the specified request.
         /// </summary>
         /// <param name="request">The request.</param>
         /// <returns>System.Object.</returns>
-        public async Task<object> Get(GetPlugins request)
+        public object Get(GetPlugins request)
         {
             var result = _appHost.Plugins.OrderBy(p => p.Name).Select(p => p.GetPluginInfo()).ToArray();
             return ToOptimizedResult(result);
@@ -230,7 +220,7 @@ namespace MediaBrowser.Api
         /// </summary>
         /// <param name="request">The request.</param>
         /// <returns>System.Object.</returns>
-        public async Task<object> Get(GetPluginSecurityInfo request)
+        public object Get(GetPluginSecurityInfo request)
         {
             var result = new PluginSecurityInfo
             {
diff --git a/MediaBrowser.Api/UserLibrary/PlaystateService.cs b/MediaBrowser.Api/UserLibrary/PlaystateService.cs
index 76f91e3738..72a9430921 100644
--- a/MediaBrowser.Api/UserLibrary/PlaystateService.cs
+++ b/MediaBrowser.Api/UserLibrary/PlaystateService.cs
@@ -267,13 +267,13 @@ namespace MediaBrowser.Api.UserLibrary
 
             var session = GetSession(_sessionContext);
 
-            var dto = await UpdatePlayedStatus(user, request.Id, true, datePlayed).ConfigureAwait(false);
+            var dto = UpdatePlayedStatus(user, request.Id, true, datePlayed);
 
             foreach (var additionalUserInfo in session.AdditionalUsers)
             {
                 var additionalUser = _userManager.GetUserById(additionalUserInfo.UserId);
 
-                await UpdatePlayedStatus(additionalUser, request.Id, true, datePlayed).ConfigureAwait(false);
+                UpdatePlayedStatus(additionalUser, request.Id, true, datePlayed);
             }
 
             return dto;
@@ -412,13 +412,13 @@ namespace MediaBrowser.Api.UserLibrary
 
             var session = GetSession(_sessionContext);
 
-            var dto = await UpdatePlayedStatus(user, request.Id, false, null).ConfigureAwait(false);
+            var dto = UpdatePlayedStatus(user, request.Id, false, null);
 
             foreach (var additionalUserInfo in session.AdditionalUsers)
             {
                 var additionalUser = _userManager.GetUserById(additionalUserInfo.UserId);
 
-                await UpdatePlayedStatus(additionalUser, request.Id, false, null).ConfigureAwait(false);
+                UpdatePlayedStatus(additionalUser, request.Id, false, null);
             }
 
             return dto;
@@ -432,7 +432,7 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="wasPlayed">if set to <c>true</c> [was played].</param>
         /// <param name="datePlayed">The date played.</param>
         /// <returns>Task.</returns>
-        private async Task<UserItemDataDto> UpdatePlayedStatus(User user, string itemId, bool wasPlayed, DateTime? datePlayed)
+        private UserItemDataDto UpdatePlayedStatus(User user, string itemId, bool wasPlayed, DateTime? datePlayed)
         {
             var item = _libraryManager.GetItemById(itemId);
 
diff --git a/MediaBrowser.Controller/Subtitles/ISubtitleManager.cs b/MediaBrowser.Controller/Subtitles/ISubtitleManager.cs
index 2ee58bbe6a..0872335c55 100644
--- a/MediaBrowser.Controller/Subtitles/ISubtitleManager.cs
+++ b/MediaBrowser.Controller/Subtitles/ISubtitleManager.cs
@@ -15,11 +15,6 @@ namespace MediaBrowser.Controller.Subtitles
         /// </summary>
         event EventHandler<SubtitleDownloadFailureEventArgs> SubtitleDownloadFailure;
 
-        /// <summary>
-        /// Occurs when [subtitles downloaded].
-        /// </summary>
-        event EventHandler<SubtitleDownloadEventArgs> SubtitlesDownloaded;
-
         /// <summary>
         /// Adds the parts.
         /// </summary>
diff --git a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs
index 138794b7cf..e247c4f860 100644
--- a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs
+++ b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs
@@ -30,9 +30,7 @@ namespace MediaBrowser.Providers.Subtitles
         private readonly IFileSystem _fileSystem;
         private readonly ILibraryMonitor _monitor;
         private readonly IMediaSourceManager _mediaSourceManager;
-        private readonly IServerConfigurationManager _config;
 
-        public event EventHandler<SubtitleDownloadEventArgs> SubtitlesDownloaded;
         public event EventHandler<SubtitleDownloadFailureEventArgs> SubtitleDownloadFailure;
 
         private ILocalizationManager _localization;
@@ -42,14 +40,12 @@ namespace MediaBrowser.Providers.Subtitles
             IFileSystem fileSystem,
             ILibraryMonitor monitor,
             IMediaSourceManager mediaSourceManager,
-            IServerConfigurationManager config,
             ILocalizationManager localizationManager)
         {
             _logger = loggerFactory.CreateLogger(nameof(SubtitleManager));
             _fileSystem = fileSystem;
             _monitor = monitor;
             _mediaSourceManager = mediaSourceManager;
-            _config = config;
             _localization = localizationManager;
         }
 
@@ -134,11 +130,6 @@ namespace MediaBrowser.Providers.Subtitles
             return results.SelectMany(i => i).ToArray();
         }
 
-        private SubtitleOptions GetOptions()
-        {
-            return _config.GetConfiguration<SubtitleOptions>("subtitles");
-        }
-
         public Task DownloadSubtitles(Video video, string subtitleId, CancellationToken cancellationToken)
         {
             var libraryOptions = BaseItem.LibraryManager.GetLibraryOptions(video);