diff --git a/NzbDrone.Api/Extensions/NancyJsonSerializer.cs b/NzbDrone.Api/Extensions/NancyJsonSerializer.cs
index f0a7818fe..74acedac5 100644
--- a/NzbDrone.Api/Extensions/NancyJsonSerializer.cs
+++ b/NzbDrone.Api/Extensions/NancyJsonSerializer.cs
@@ -2,6 +2,7 @@
 using System.IO;
 using Nancy;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 
 namespace NzbDrone.Api.Extensions
 {
diff --git a/NzbDrone.Api/Extensions/RequestExtensions.cs b/NzbDrone.Api/Extensions/RequestExtensions.cs
index 4b17a247d..7c25911ac 100644
--- a/NzbDrone.Api/Extensions/RequestExtensions.cs
+++ b/NzbDrone.Api/Extensions/RequestExtensions.cs
@@ -3,6 +3,7 @@
 using Nancy;
 using Nancy.Responses;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 
 namespace NzbDrone.Api.Extensions
 {
diff --git a/NzbDrone.Api/SignalR/Serializer.cs b/NzbDrone.Api/SignalR/Serializer.cs
index dc45e6f3f..efc5d2590 100644
--- a/NzbDrone.Api/SignalR/Serializer.cs
+++ b/NzbDrone.Api/SignalR/Serializer.cs
@@ -8,10 +8,10 @@ namespace NzbDrone.Api.SignalR
     [Singleton]
     public class Serializer : IJsonSerializer
     {
-        private readonly Common.IJsonSerializer _nzbDroneSerializer;
+        private readonly Common.Serializer.IJsonSerializer _nzbDroneSerializer;
         private readonly JsonNetSerializer _signalRSerializer;
 
-        public Serializer(Common.IJsonSerializer nzbDroneSerializer)
+        public Serializer(Common.Serializer.IJsonSerializer nzbDroneSerializer)
         {
             _signalRSerializer = new JsonNetSerializer();
             _nzbDroneSerializer = nzbDroneSerializer;
diff --git a/NzbDrone.Common/IJsonSerializer.cs b/NzbDrone.Common/IJsonSerializer.cs
index 05f64b73a..90c39d12a 100644
--- a/NzbDrone.Common/IJsonSerializer.cs
+++ b/NzbDrone.Common/IJsonSerializer.cs
@@ -4,7 +4,7 @@
 using Newtonsoft.Json.Converters;
 using Newtonsoft.Json.Serialization;
 
-namespace NzbDrone.Common
+namespace NzbDrone.Common.Serializer
 {
     public interface IJsonSerializer
     {
@@ -24,7 +24,7 @@ public JsonSerializer()
             _jsonNetSerializer = new Newtonsoft.Json.JsonSerializer()
                 {
                     DateTimeZoneHandling = DateTimeZoneHandling.Utc,
-                    NullValueHandling = NullValueHandling.Include,
+                    NullValueHandling = NullValueHandling.Ignore,
                     Formatting = Formatting.Indented,
                     DefaultValueHandling = DefaultValueHandling.Include,
                     ContractResolver = new CamelCasePropertyNamesContractResolver()
diff --git a/NzbDrone.Common/NzbDrone.Common.csproj b/NzbDrone.Common/NzbDrone.Common.csproj
index 2d6119d33..5f399945f 100644
--- a/NzbDrone.Common/NzbDrone.Common.csproj
+++ b/NzbDrone.Common/NzbDrone.Common.csproj
@@ -120,7 +120,7 @@
     <Compile Include="Expansive\Tree.cs" />
     <Compile Include="Expansive\TreeNode.cs" />
     <Compile Include="Expansive\TreeNodeList.cs" />
-    <Compile Include="IJsonSerializer.cs" />
+    <Compile Include="Serializer\JsonSerializer.cs" />
     <Compile Include="Instrumentation\VersionLayoutRenderer.cs" />
     <Compile Include="Messaging\MessageExtensions.cs" />
     <Compile Include="Messaging\TestCommand.cs" />
diff --git a/NzbDrone.Core.Test/Datastore/MappingExtentionFixture.cs b/NzbDrone.Core.Test/Datastore/MappingExtentionFixture.cs
index 67f6e57d5..b6613b071 100644
--- a/NzbDrone.Core.Test/Datastore/MappingExtentionFixture.cs
+++ b/NzbDrone.Core.Test/Datastore/MappingExtentionFixture.cs
@@ -4,6 +4,7 @@
 using Marr.Data;
 using NUnit.Framework;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 using NzbDrone.Core.Datastore;
 using NzbDrone.Core.Datastore.Converters;
 using NzbDrone.Core.Tv;
diff --git a/NzbDrone.Core/DataAugmentation/DailySeries/DailySeriesDataProxy.cs b/NzbDrone.Core/DataAugmentation/DailySeries/DailySeriesDataProxy.cs
index 12ddfc693..ffe70ee4c 100644
--- a/NzbDrone.Core/DataAugmentation/DailySeries/DailySeriesDataProxy.cs
+++ b/NzbDrone.Core/DataAugmentation/DailySeries/DailySeriesDataProxy.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using NLog;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 using NzbDrone.Core.Configuration;
 
 namespace NzbDrone.Core.DataAugmentation.DailySeries
diff --git a/NzbDrone.Core/DataAugmentation/Scene/SceneMappingProxy.cs b/NzbDrone.Core/DataAugmentation/Scene/SceneMappingProxy.cs
index 28d6f4d48..fc5d715bb 100644
--- a/NzbDrone.Core/DataAugmentation/Scene/SceneMappingProxy.cs
+++ b/NzbDrone.Core/DataAugmentation/Scene/SceneMappingProxy.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 using NzbDrone.Core.Configuration;
 
 namespace NzbDrone.Core.DataAugmentation.Scene
diff --git a/NzbDrone.Core/Datastore/Converters/EmbeddedDocumentConverter.cs b/NzbDrone.Core/Datastore/Converters/EmbeddedDocumentConverter.cs
index 845796b81..5a49079f1 100644
--- a/NzbDrone.Core/Datastore/Converters/EmbeddedDocumentConverter.cs
+++ b/NzbDrone.Core/Datastore/Converters/EmbeddedDocumentConverter.cs
@@ -2,6 +2,7 @@
 using Marr.Data.Converters;
 using Marr.Data.Mapping;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 
 namespace NzbDrone.Core.Datastore.Converters
 {
diff --git a/NzbDrone.Core/Datastore/TableMapping.cs b/NzbDrone.Core/Datastore/TableMapping.cs
index 2698ef354..fd05a11e6 100644
--- a/NzbDrone.Core/Datastore/TableMapping.cs
+++ b/NzbDrone.Core/Datastore/TableMapping.cs
@@ -4,6 +4,7 @@
 using Marr.Data;
 using Marr.Data.Mapping;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.DataAugmentation.Scene;
 using NzbDrone.Core.Datastore.Converters;
diff --git a/NzbDrone.Core/Indexers/IndexerWithSetting.cs b/NzbDrone.Core/Indexers/IndexerWithSetting.cs
index 7efa6367f..21a0aed9f 100644
--- a/NzbDrone.Core/Indexers/IndexerWithSetting.cs
+++ b/NzbDrone.Core/Indexers/IndexerWithSetting.cs
@@ -1,4 +1,5 @@
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 
 namespace NzbDrone.Core.Indexers
 {
diff --git a/NzbDrone.Core/Indexers/Newznab/Newznab.cs b/NzbDrone.Core/Indexers/Newznab/Newznab.cs
index 1df895dd8..d70a26268 100644
--- a/NzbDrone.Core/Indexers/Newznab/Newznab.cs
+++ b/NzbDrone.Core/Indexers/Newznab/Newznab.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 
 namespace NzbDrone.Core.Indexers.Newznab
 {
diff --git a/NzbDrone.Integration.Test/Client/ClientBase.cs b/NzbDrone.Integration.Test/Client/ClientBase.cs
index 06193542c..906178bd7 100644
--- a/NzbDrone.Integration.Test/Client/ClientBase.cs
+++ b/NzbDrone.Integration.Test/Client/ClientBase.cs
@@ -4,6 +4,7 @@
 using NLog;
 using NzbDrone.Api.REST;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 using RestSharp;
 
 namespace NzbDrone.Integration.Test.Client
diff --git a/NzbDrone.Libraries.Test/Json/JsonFixture.cs b/NzbDrone.Libraries.Test/Json/JsonFixture.cs
index 05df5fd1e..666297861 100644
--- a/NzbDrone.Libraries.Test/Json/JsonFixture.cs
+++ b/NzbDrone.Libraries.Test/Json/JsonFixture.cs
@@ -1,5 +1,6 @@
 using NUnit.Framework;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 using NzbDrone.Test.Common;
 
 namespace NzbDrone.Libraries.Test.Json
diff --git a/NzbDrone.Test.Common/TestBase.cs b/NzbDrone.Test.Common/TestBase.cs
index d423b4b3c..33f053ddb 100644
--- a/NzbDrone.Test.Common/TestBase.cs
+++ b/NzbDrone.Test.Common/TestBase.cs
@@ -6,6 +6,7 @@
 using NUnit.Framework;
 using NzbDrone.Common;
 using NzbDrone.Common.Messaging;
+using NzbDrone.Common.Serializer;
 using NzbDrone.Test.Common.AutoMoq;
 
 namespace NzbDrone.Test.Common
diff --git a/UI/AddSeries/New/AddNewSeriesView.js b/UI/AddSeries/New/AddNewSeriesView.js
index 3f263c84e..0b5911552 100644
--- a/UI/AddSeries/New/AddNewSeriesView.js
+++ b/UI/AddSeries/New/AddNewSeriesView.js
@@ -18,7 +18,7 @@ define(['app', 'AddSeries/RootFolders/RootFolderCollection', 'AddSeries/New/Sear
 
             this.collection.parse = function (response) {
                 _.each(response, function (model) {
-                   model.id = null;
+                   model.id = undefined;
                 });
 
                 return response;