diff --git a/MediaBrowser.Controller/Channels/ChannelFolderItem.cs b/MediaBrowser.Controller/Channels/ChannelFolderItem.cs
index f662020bbf..174cd282af 100644
--- a/MediaBrowser.Controller/Channels/ChannelFolderItem.cs
+++ b/MediaBrowser.Controller/Channels/ChannelFolderItem.cs
@@ -11,7 +11,7 @@ using MediaBrowser.Model.Entities;
 
 namespace MediaBrowser.Controller.Channels
 {
-    public class ChannelFolderItem : Folder, IChannelItem
+    public class ChannelFolderItem : Folder
     {
         public ChannelFolderType ChannelFolderType { get; set; }
 
diff --git a/MediaBrowser.Controller/Channels/ChannelVideoItem.cs b/MediaBrowser.Controller/Channels/ChannelVideoItem.cs
index 79ad4b36b1..098db1891a 100644
--- a/MediaBrowser.Controller/Channels/ChannelVideoItem.cs
+++ b/MediaBrowser.Controller/Channels/ChannelVideoItem.cs
@@ -132,9 +132,9 @@ namespace MediaBrowser.Controller.Channels
             return IsVisibleStandaloneInternal(user, false) && IsChannelVisible(this, user);
         }
 
-        internal static bool IsChannelVisible(IChannelItem item, User user)
+        internal static bool IsChannelVisible(BaseItem channelItem, User user)
         {
-            var channel = ChannelManager.GetChannel(item.ChannelId);
+            var channel = ChannelManager.GetChannel(channelItem.ChannelId);
 
             return channel.IsVisible(user);
         }
diff --git a/MediaBrowser.Controller/Channels/IChannelItem.cs b/MediaBrowser.Controller/Channels/IChannelItem.cs
deleted file mode 100644
index 9b5f0359bd..0000000000
--- a/MediaBrowser.Controller/Channels/IChannelItem.cs
+++ /dev/null
@@ -1,11 +0,0 @@
-using MediaBrowser.Controller.Entities;
-
-namespace MediaBrowser.Controller.Channels
-{
-    public interface IChannelItem : IHasImages, IHasTags
-    {
-        string ChannelId { get; set; }
-
-        string ExternalId { get; set; }
-    }
-}
diff --git a/MediaBrowser.Controller/Channels/IChannelMediaItem.cs b/MediaBrowser.Controller/Channels/IChannelMediaItem.cs
index 60a29da90b..8970879c9b 100644
--- a/MediaBrowser.Controller/Channels/IChannelMediaItem.cs
+++ b/MediaBrowser.Controller/Channels/IChannelMediaItem.cs
@@ -1,11 +1,16 @@
-using MediaBrowser.Model.Channels;
+using System;
+using MediaBrowser.Model.Channels;
 using MediaBrowser.Model.Entities;
 using System.Collections.Generic;
 
 namespace MediaBrowser.Controller.Channels
 {
-    public interface IChannelMediaItem : IChannelItem
+    public interface IChannelMediaItem
     {
+        string ChannelId { get; set; }
+        Guid Id { get; set; }
+        string ExternalId { get; set; }
+        
         long? RunTimeTicks { get; set; }
         string MediaType { get; }
 
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index 4106c71975..d607facf11 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -169,6 +169,9 @@ namespace MediaBrowser.Controller.Entities
         [IgnoreDataMember]
         public bool IsOffline { get; set; }
 
+        [IgnoreDataMember]
+        public SourceType SourceType { get; set; }
+
         /// <summary>
         /// Returns the folder containing the item.
         /// If the item is a folder, it returns the folder itself
diff --git a/MediaBrowser.Controller/Entities/SourceType.cs b/MediaBrowser.Controller/Entities/SourceType.cs
new file mode 100644
index 0000000000..9c307b4e6e
--- /dev/null
+++ b/MediaBrowser.Controller/Entities/SourceType.cs
@@ -0,0 +1,10 @@
+
+namespace MediaBrowser.Controller.Entities
+{
+    public enum SourceType
+    {
+        Library = 0,
+        Channel = 1,
+        LiveTV = 2
+    }
+}
diff --git a/MediaBrowser.Controller/MediaBrowser.Controller.csproj b/MediaBrowser.Controller/MediaBrowser.Controller.csproj
index f74d82caaa..a4f30224bf 100644
--- a/MediaBrowser.Controller/MediaBrowser.Controller.csproj
+++ b/MediaBrowser.Controller/MediaBrowser.Controller.csproj
@@ -84,7 +84,6 @@
     <Compile Include="Channels\ChannelSearchInfo.cs" />
     <Compile Include="Channels\IChannel.cs" />
     <Compile Include="Channels\IChannelManager.cs" />
-    <Compile Include="Channels\IChannelItem.cs" />
     <Compile Include="Channels\ChannelAudioItem.cs" />
     <Compile Include="Channels\ChannelVideoItem.cs" />
     <Compile Include="Channels\Channel.cs" />
@@ -180,6 +179,7 @@
     <Compile Include="Entities\Photo.cs" />
     <Compile Include="Entities\PhotoAlbum.cs" />
     <Compile Include="Entities\Share.cs" />
+    <Compile Include="Entities\SourceType.cs" />
     <Compile Include="Entities\UserView.cs" />
     <Compile Include="Entities\UserViewBuilder.cs" />
     <Compile Include="FileOrganization\IFileOrganizationService.cs" />
diff --git a/MediaBrowser.Server.Implementations/Channels/ChannelManager.cs b/MediaBrowser.Server.Implementations/Channels/ChannelManager.cs
index c7865b6aab..9cb0e25c26 100644
--- a/MediaBrowser.Server.Implementations/Channels/ChannelManager.cs
+++ b/MediaBrowser.Server.Implementations/Channels/ChannelManager.cs
@@ -1079,7 +1079,7 @@ namespace MediaBrowser.Server.Implementations.Channels
 
                 if (!string.IsNullOrWhiteSpace(folderId))
                 {
-                    var categoryItem = (IChannelItem)_libraryManager.GetItemById(new Guid(folderId));
+                    var categoryItem = _libraryManager.GetItemById(new Guid(folderId));
 
                     query.FolderId = categoryItem.ExternalId;
                 }
@@ -1195,7 +1195,7 @@ namespace MediaBrowser.Server.Implementations.Channels
         }
 
         private T GetItemById<T>(string idString, string channelName, string channnelDataVersion, out bool isNew)
-            where T : BaseItem, IChannelItem, new()
+            where T : BaseItem, new()
         {
             var id = GetIdToHash(idString, channelName).GetMBId(typeof(T));
 
@@ -1263,9 +1263,7 @@ namespace MediaBrowser.Server.Implementations.Channels
                 item.Tags = info.Tags;
             }
 
-            var channelItem = (IChannelItem)item;
-
-            channelItem.ChannelId = internalChannelId.ToString("N");
+            item.ChannelId = internalChannelId.ToString("N");
 
             if (item.ParentId != internalChannelId)
             {
@@ -1273,11 +1271,11 @@ namespace MediaBrowser.Server.Implementations.Channels
             }
             item.ParentId = internalChannelId;
 
-            if (!string.Equals(channelItem.ExternalId, info.Id, StringComparison.OrdinalIgnoreCase))
+            if (!string.Equals(item.ExternalId, info.Id, StringComparison.OrdinalIgnoreCase))
             {
                 forceUpdate = true;
             }
-            channelItem.ExternalId = info.Id;
+            item.ExternalId = info.Id;
 
             var channelMediaItem = item as IChannelMediaItem;
 
diff --git a/MediaBrowser.Server.Implementations/Dto/DtoService.cs b/MediaBrowser.Server.Implementations/Dto/DtoService.cs
index fb202b7980..d0e2ffde7d 100644
--- a/MediaBrowser.Server.Implementations/Dto/DtoService.cs
+++ b/MediaBrowser.Server.Implementations/Dto/DtoService.cs
@@ -480,7 +480,7 @@ namespace MediaBrowser.Server.Implementations.Dto
 
                 var folder = (Folder)item;
 
-                if (!(folder is IChannelItem) && !(folder is Channel))
+                if (item.SourceType == SourceType.Library)
                 {
                     dto.ChildCount = GetChildCount(folder, user);
 
@@ -1531,10 +1531,9 @@ namespace MediaBrowser.Server.Implementations.Dto
 
             dto.ChannelId = item.ChannelId;
 
-            var channelItem = item as IChannelItem;
-            if (channelItem != null)
+            if (item.SourceType == SourceType.Channel)
             {
-                dto.ChannelName = _channelManagerFactory().GetChannel(channelItem.ChannelId).Name;
+                dto.ChannelName = _channelManagerFactory().GetChannel(item.ChannelId).Name;
             }
 
             var channelMediaItem = item as IChannelMediaItem;
diff --git a/MediaBrowser.Server.Implementations/EntryPoints/ActivityLogEntryPoint.cs b/MediaBrowser.Server.Implementations/EntryPoints/ActivityLogEntryPoint.cs
index 28883e9a21..dfaedbc9d4 100644
--- a/MediaBrowser.Server.Implementations/EntryPoints/ActivityLogEntryPoint.cs
+++ b/MediaBrowser.Server.Implementations/EntryPoints/ActivityLogEntryPoint.cs
@@ -342,7 +342,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
 
         void _libraryManager_ItemRemoved(object sender, ItemChangeEventArgs e)
         {
-            if (e.Item is LiveTvProgram || e.Item is IChannelItem)
+            if (e.Item.SourceType != SourceType.Library)
             {
                 return;
             }
@@ -356,7 +356,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
 
         void _libraryManager_ItemAdded(object sender, ItemChangeEventArgs e)
         {
-            if (e.Item is LiveTvProgram || e.Item is IChannelItem)
+            if (e.Item.SourceType != SourceType.Library)
             {
                 return;
             }
diff --git a/MediaBrowser.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs b/MediaBrowser.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
index 703096a2bd..237c7157b5 100644
--- a/MediaBrowser.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
+++ b/MediaBrowser.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
@@ -282,7 +282,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
                 return false;
             }
 
-            return !(item is IChannelItem) && !(item is ILiveTvItem);
+            return item.SourceType == SourceType.Library;
         }
 
         /// <summary>
diff --git a/MediaBrowser.Server.Implementations/EntryPoints/Notifications/Notifications.cs b/MediaBrowser.Server.Implementations/EntryPoints/Notifications/Notifications.cs
index a9e4aaa0b6..da1d25f2ce 100644
--- a/MediaBrowser.Server.Implementations/EntryPoints/Notifications/Notifications.cs
+++ b/MediaBrowser.Server.Implementations/EntryPoints/Notifications/Notifications.cs
@@ -346,7 +346,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints.Notifications
                 return false;
             }
 
-            return !(item is IChannelItem) && !(item is ILiveTvItem);
+            return item.SourceType == SourceType.Library;
         }
 
         private async void LibraryUpdateTimerCallback(object state)
diff --git a/MediaBrowser.Server.Implementations/Library/LibraryManager.cs b/MediaBrowser.Server.Implementations/Library/LibraryManager.cs
index 3c56af9e6a..184737ecee 100644
--- a/MediaBrowser.Server.Implementations/Library/LibraryManager.cs
+++ b/MediaBrowser.Server.Implementations/Library/LibraryManager.cs
@@ -347,11 +347,7 @@ namespace MediaBrowser.Server.Implementations.Library
 
         private void RegisterItem(Guid id, BaseItem item)
         {
-            if (item is LiveTvProgram)
-            {
-                return;
-            }
-            if (item is IChannelItem)
+            if (item.SourceType != SourceType.Library)
             {
                 return;
             }
diff --git a/MediaBrowser.Server.Implementations/Sync/SyncManager.cs b/MediaBrowser.Server.Implementations/Sync/SyncManager.cs
index 8ebc8d91e1..e22f86b117 100644
--- a/MediaBrowser.Server.Implementations/Sync/SyncManager.cs
+++ b/MediaBrowser.Server.Implementations/Sync/SyncManager.cs
@@ -536,7 +536,7 @@ namespace MediaBrowser.Server.Implementations.Sync
                     }
                 }
 
-                if (item is LiveTvChannel || item is IChannelItem)
+                if (item.SourceType != SourceType.Library)
                 {
                     return false;
                 }