diff --git a/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs b/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
index 0f0b8b97b1..f60fdea846 100644
--- a/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
+++ b/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
@@ -433,7 +433,7 @@ namespace Emby.Server.Implementations.Activity
                 ShortOverview = string.Format(
                     CultureInfo.InvariantCulture,
                     _localization.GetLocalizedString("VersionNumber"),
-                    e.Argument.Item2.versionString),
+                    e.Argument.Item2.version),
                 Overview = e.Argument.Item2.description
             });
         }
@@ -462,7 +462,7 @@ namespace Emby.Server.Implementations.Activity
                 ShortOverview = string.Format(
                     CultureInfo.InvariantCulture,
                     _localization.GetLocalizedString("VersionNumber"),
-                    e.Argument.versionString)
+                    e.Argument.version)
             });
         }
 
diff --git a/Emby.Server.Implementations/Updates/InstallationManager.cs b/Emby.Server.Implementations/Updates/InstallationManager.cs
index a00dec4c3a..ffb6b5cbc3 100644
--- a/Emby.Server.Implementations/Updates/InstallationManager.cs
+++ b/Emby.Server.Implementations/Updates/InstallationManager.cs
@@ -158,10 +158,10 @@ namespace Emby.Server.Implementations.Updates
 
             if (minVersion != null)
             {
-                availableVersions = availableVersions.Where(x => x.versionCode >= minVersion);
+                availableVersions = availableVersions.Where(x => x.version >= minVersion);
             }
 
-            return availableVersions.OrderByDescending(x => x.versionCode);
+            return availableVersions.OrderByDescending(x => x.version);
         }
 
         /// <inheritdoc />
@@ -193,9 +193,9 @@ namespace Emby.Server.Implementations.Updates
             foreach (var plugin in _applicationHost.Plugins)
             {
                 var compatibleVersions = GetCompatibleVersions(catalog, plugin.Name, plugin.Id, plugin.Version);
-                var version = compatibleVersions.FirstOrDefault(y => y.versionCode > plugin.Version);
+                var version = compatibleVersions.FirstOrDefault(y => y.version > plugin.Version);
                 if (version != null
-                    && !CompletedInstallations.Any(x => string.Equals(x.AssemblyGuid, version.guid, StringComparison.OrdinalIgnoreCase)))
+                    && !CompletedInstallations.Any(x => string.Equals(x.Guid, version.guid, StringComparison.OrdinalIgnoreCase)))
                 {
                     yield return version;
                 }
@@ -212,10 +212,9 @@ namespace Emby.Server.Implementations.Updates
 
             var installationInfo = new InstallationInfo
             {
-                Id = Guid.NewGuid(),
+                Guid = package.guid,
                 Name = package.name,
-                AssemblyGuid = package.guid,
-                Version = package.versionString
+                Version = package.version.ToString()
             };
 
             var innerCancellationTokenSource = new CancellationTokenSource();
@@ -258,7 +257,7 @@ namespace Emby.Server.Implementations.Updates
                     _currentInstallations.Remove(tuple);
                 }
 
-                _logger.LogInformation("Package installation cancelled: {0} {1}", package.name, package.versionString);
+                _logger.LogInformation("Package installation cancelled: {0} {1}", package.name, package.version);
 
                 PackageInstallationCancelled?.Invoke(this, installationEventArgs);
 
@@ -306,13 +305,13 @@ namespace Emby.Server.Implementations.Updates
             // Do plugin-specific processing
             if (plugin == null)
             {
-                _logger.LogInformation("New plugin installed: {0} {1} {2}", package.name, package.versionString ?? string.Empty);
+                _logger.LogInformation("New plugin installed: {0} {1} {2}", package.name, package.version);
 
                 PluginInstalled?.Invoke(this, new GenericEventArgs<VersionInfo>(package));
             }
             else
             {
-                _logger.LogInformation("Plugin updated: {0} {1} {2}", package.name, package.versionString ?? string.Empty);
+                _logger.LogInformation("Plugin updated: {0} {1} {2}", package.name, package.version);
 
                 PluginUpdated?.Invoke(this, new GenericEventArgs<(IPlugin, VersionInfo)>((plugin, package)));
             }
@@ -430,7 +429,7 @@ namespace Emby.Server.Implementations.Updates
         {
             lock (_currentInstallationsLock)
             {
-                var install = _currentInstallations.Find(x => x.info.Id == id);
+                var install = _currentInstallations.Find(x => x.info.Guid == id.ToString());
                 if (install == default((InstallationInfo, CancellationTokenSource)))
                 {
                     return false;
diff --git a/MediaBrowser.Model/Updates/CheckForUpdateResult.cs b/MediaBrowser.Model/Updates/CheckForUpdateResult.cs
deleted file mode 100644
index 883fc636b4..0000000000
--- a/MediaBrowser.Model/Updates/CheckForUpdateResult.cs
+++ /dev/null
@@ -1,29 +0,0 @@
-namespace MediaBrowser.Model.Updates
-{
-    /// <summary>
-    /// Class CheckForUpdateResult.
-    /// </summary>
-    public class CheckForUpdateResult
-    {
-        /// <summary>
-        /// Gets or sets a value indicating whether this instance is update available.
-        /// </summary>
-        /// <value><c>true</c> if this instance is update available; otherwise, <c>false</c>.</value>
-        public bool IsUpdateAvailable { get; set; }
-
-        /// <summary>
-        /// Gets or sets the available version.
-        /// </summary>
-        /// <value>The available version.</value>
-        public string AvailableVersion
-        {
-            get => Package != null ? Package.versionString : "0.0.0.1";
-            set { } // need this for the serializer
-        }
-
-        /// <summary>
-        /// Get or sets package information for an available update
-        /// </summary>
-        public VersionInfo Package { get; set; }
-    }
-}
diff --git a/MediaBrowser.Model/Updates/InstallationInfo.cs b/MediaBrowser.Model/Updates/InstallationInfo.cs
index 95357262ac..e0d450d065 100644
--- a/MediaBrowser.Model/Updates/InstallationInfo.cs
+++ b/MediaBrowser.Model/Updates/InstallationInfo.cs
@@ -8,10 +8,10 @@ namespace MediaBrowser.Model.Updates
     public class InstallationInfo
     {
         /// <summary>
-        /// Gets or sets the id.
+        /// Gets or sets the guid.
         /// </summary>
-        /// <value>The id.</value>
-        public Guid Id { get; set; }
+        /// <value>The guid.</value>
+        public string Guid { get; set; }
 
         /// <summary>
         /// Gets or sets the name.
@@ -19,12 +19,6 @@ namespace MediaBrowser.Model.Updates
         /// <value>The name.</value>
         public string Name { get; set; }
 
-        /// <summary>
-        /// Gets or sets the assembly guid.
-        /// </summary>
-        /// <value>The guid of the assembly.</value>
-        public string AssemblyGuid { get; set; }
-
         /// <summary>
         /// Gets or sets the version.
         /// </summary>
diff --git a/MediaBrowser.Model/Updates/PackageInfo.cs b/MediaBrowser.Model/Updates/PackageInfo.cs
index d06ffe1e6c..b19c311e4b 100644
--- a/MediaBrowser.Model/Updates/PackageInfo.cs
+++ b/MediaBrowser.Model/Updates/PackageInfo.cs
@@ -26,18 +26,6 @@ namespace MediaBrowser.Model.Updates
         /// <value>The overview.</value>
         public string overview { get; set; }
 
-        /// <summary>
-        /// Gets or sets the thumb image.
-        /// </summary>
-        /// <value>The thumb image.</value>
-        public string thumbImage { get; set; }
-
-        /// <summary>
-        /// Gets or sets the preview image.
-        /// </summary>
-        /// <value>The preview image.</value>
-        public string previewImage { get; set; }
-
         /// <summary>
         /// Gets or sets the target filename for the downloaded binary.
         /// </summary>
diff --git a/MediaBrowser.Model/Updates/VersionInfo.cs b/MediaBrowser.Model/Updates/VersionInfo.cs
index 177b8dbc33..6756e7454a 100644
--- a/MediaBrowser.Model/Updates/VersionInfo.cs
+++ b/MediaBrowser.Model/Updates/VersionInfo.cs
@@ -22,17 +22,11 @@ namespace MediaBrowser.Model.Updates
         /// <value>The guid.</value>
         public string guid { get; set; }
 
-        /// <summary>
-        /// Gets or sets the version string.
-        /// </summary>
-        /// <value>The version string.</value>
-        public string versionString { get; set; }
-
         /// <summary>
         /// Gets or sets the version.
         /// </summary>
         /// <value>The version.</value>
-        public Version versionCode { get; set; }
+        public Version version { get; set; }
 
         /// <summary>
         /// Gets or sets the description.