1 files changed, 2 insertions, 67 deletions
diff --git a/MediaBrowser.Controller/Entities/Folder.cs b/MediaBrowser.Controller/Entities/Folder.cs
index 2cec15d51..2e4cf3745 100644
--- a/MediaBrowser.Controller/Entities/Folder.cs
+++ b/MediaBrowser.Controller/Entities/Folder.cs
@@ -164,49 +164,15 @@ namespace MediaBrowser.Controller.Entities
                 item.DateModified = DateTime.UtcNow;
             }
 
-            AddChildInternal(item.Id);
-
             await LibraryManager.CreateItem(item, cancellationToken).ConfigureAwait(false);
         }
 
-        protected void AddChildrenInternal(List<Guid> children)
-        {
-            lock (_childrenSyncLock)
-            {
-                var newChildren = ChildIds.ToList();
-                newChildren.AddRange(children);
-                _children = newChildren.ToList();
-            }
-        }
-        protected void AddChildInternal(Guid child)
-        {
-            lock (_childrenSyncLock)
-            {
-                var childIds = ChildIds.ToList();
-                if (!childIds.Contains(child))
-                {
-                    childIds.Add(child);
-                    _children = childIds.ToList();
-                }
-            }
-        }
-
-        protected void RemoveChildrenInternal(List<Guid> children)
-        {
-            lock (_childrenSyncLock)
-            {
-                _children = ChildIds.Except(children).ToList();
-            }
-        }
-
         /// <summary>
         /// Removes the child.
         /// </summary>
         /// <param name="item">The item.</param>
         public void RemoveChild(BaseItem item)
         {
-            RemoveChildrenInternal(new[] { item.Id }.ToList());
-
             item.SetParent(null);
         }
 
@@ -242,33 +208,6 @@ namespace MediaBrowser.Controller.Entities
         #endregion
 
         /// <summary>
-        /// The children
-        /// </summary>
-        private IReadOnlyList<Guid> _children;
-        /// <summary>
-        /// The _children sync lock
-        /// </summary>
-        private readonly object _childrenSyncLock = new object();
-        /// <summary>
-        /// Gets or sets the actual children.
-        /// </summary>
-        /// <value>The actual children.</value>
-        protected virtual IEnumerable<Guid> ChildIds
-        {
-            get
-            {
-                lock (_childrenSyncLock)
-                {
-                    if (_children == null)
-                    {
-                        _children = LoadChildren().ToList();
-                    }
-                    return _children.ToList();
-                }
-            }
-        }
-
-        /// <summary>
         /// Gets the actual children.
         /// </summary>
         /// <value>The actual children.</value>
@@ -277,7 +216,7 @@ namespace MediaBrowser.Controller.Entities
         {
             get
             {
-                return ChildIds.Select(LibraryManager.GetItemById).Where(i => i != null);
+                return LoadChildren().Select(LibraryManager.GetItemById).Where(i => i != null);
             }
         }
 
@@ -479,8 +418,6 @@ namespace MediaBrowser.Controller.Entities
 
                     if (actualRemovals.Count > 0)
                     {
-                        RemoveChildrenInternal(actualRemovals.Select(i => i.Id).ToList());
-
                         foreach (var item in actualRemovals)
                         {
                             Logger.Debug("Removed item: " + item.Path);
@@ -493,8 +430,6 @@ namespace MediaBrowser.Controller.Entities
                     }
 
                     await LibraryManager.CreateItems(newItems, cancellationToken).ConfigureAwait(false);
-
-                    AddChildrenInternal(newItems.Select(i => i.Id).ToList());
                 }
             }
 
@@ -766,7 +701,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 if (!(this is ICollectionFolder))
                 {
-                    Logger.Debug("Query requires post-filtering due to LinkedChildren");
+                    Logger.Debug("Query requires post-filtering due to LinkedChildren. Type: " + GetType().Name);
                     return true;
                 }
             }