3 files changed, 9 insertions, 1 deletions
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index bd4ede4668..4106c71975 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -57,7 +57,9 @@ namespace MediaBrowser.Controller.Entities
         public static string ThemeSongFilename = "theme";
         public static string ThemeVideosFolderName = "backdrops";
 
+        [IgnoreDataMember]
         public string PreferredMetadataCountryCode { get; set; }
+        [IgnoreDataMember]
         public string PreferredMetadataLanguage { get; set; }
 
         public List<ItemImageInfo> ImageInfos { get; set; }
@@ -88,6 +90,7 @@ namespace MediaBrowser.Controller.Entities
         /// Gets a value indicating whether this instance is in mixed folder.
         /// </summary>
         /// <value><c>true</c> if this instance is in mixed folder; otherwise, <c>false</c>.</value>
+        [IgnoreDataMember]
         public bool IsInMixedFolder { get; set; }
 
         [IgnoreDataMember]
@@ -342,6 +345,7 @@ namespace MediaBrowser.Controller.Entities
         [IgnoreDataMember]
         public DateTime DateModified { get; set; }
 
+        [IgnoreDataMember]
         public DateTime DateLastSaved { get; set; }
 
         [IgnoreDataMember]
@@ -380,6 +384,7 @@ namespace MediaBrowser.Controller.Entities
         /// Gets or sets the locked fields.
         /// </summary>
         /// <value>The locked fields.</value>
+        [IgnoreDataMember]
         public List<MetadataFields> LockedFields { get; set; }
 
         /// <summary>
@@ -620,6 +625,7 @@ namespace MediaBrowser.Controller.Entities
         /// Gets or sets the studios.
         /// </summary>
         /// <value>The studios.</value>
+        [IgnoreDataMember]
         public List<string> Studios { get; set; }
 
         /// <summary>
@@ -633,6 +639,7 @@ namespace MediaBrowser.Controller.Entities
         /// Gets or sets the tags.
         /// </summary>
         /// <value>The tags.</value>
+        [IgnoreDataMember]
         public List<string> Tags { get; set; }
 
         /// <summary>
diff --git a/MediaBrowser.Controller/Entities/Book.cs b/MediaBrowser.Controller/Entities/Book.cs
index f006fedd23..5ef098ff80 100644
--- a/MediaBrowser.Controller/Entities/Book.cs
+++ b/MediaBrowser.Controller/Entities/Book.cs
@@ -2,6 +2,7 @@
 using MediaBrowser.Model.Configuration;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Users;
 
@@ -9,6 +10,7 @@ namespace MediaBrowser.Controller.Entities
 {
     public class Book : BaseItem, IHasTags, IHasLookupInfo<BookInfo>, IHasSeries
     {
+        [IgnoreDataMember]
         public override string MediaType
         {
             get
diff --git a/MediaBrowser.Controller/Entities/Trailer.cs b/MediaBrowser.Controller/Entities/Trailer.cs
index 3c7d39e0dc..3bff5bc64f 100644
--- a/MediaBrowser.Controller/Entities/Trailer.cs
+++ b/MediaBrowser.Controller/Entities/Trailer.cs
@@ -14,7 +14,6 @@ namespace MediaBrowser.Controller.Entities
     /// <summary>
     /// Class Trailer
     /// </summary>
-    [Obsolete]
     public class Trailer : Video, IHasCriticRating, IHasProductionLocations, IHasBudget, IHasKeywords, IHasTaglines, IHasMetascore, IHasLookupInfo<TrailerInfo>
     {
         public List<string> ProductionLocations { get; set; }