1 files changed, 0 insertions, 92 deletions
diff --git a/mcs/class/System.ComponentModel.Composition/src/ComponentModel/Microsoft/Internal/Collections/WeakReferenceCollection.cs b/mcs/class/System.ComponentModel.Composition/src/ComponentModel/Microsoft/Internal/Collections/WeakReferenceCollection.cs
deleted file mode 100644
index ce8b55a485c..00000000000
--- a/mcs/class/System.ComponentModel.Composition/src/ComponentModel/Microsoft/Internal/Collections/WeakReferenceCollection.cs
+++ /dev/null
@@ -1,92 +0,0 @@
-// -----------------------------------------------------------------------
-// Copyright (c) Microsoft Corporation.  All rights reserved.
-// -----------------------------------------------------------------------
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
-using Microsoft.Internal;
-using Microsoft.Internal.Collections;
-
-namespace Microsoft.Internal.Collections
-{
-    internal class WeakReferenceCollection<T> where T : class
-    {
-        private readonly List<WeakReference> _items = new List<WeakReference>();
-
-        public void Add(T item)
-        {
-            // Only cleanup right before we need to reallocate space.
-            if (this._items.Capacity == this._items.Count)
-            {
-                this.CleanupDeadReferences();
-            }
-
-            this._items.Add(new WeakReference(item));
-        }
-
-        public void Remove(T item)
-        {
-            int index = IndexOf(item);
-
-            if (index != -1)
-            {
-                this._items.RemoveAt(index);
-            }
-        }
-
-        public bool Contains(T item)
-        {
-            return IndexOf(item) >= 0;
-        }
-
-        public void Clear()
-        {
-            this._items.Clear();
-        }
-
-        // Should be executed under at least a read lock.
-        private int IndexOf(T item)
-        {
-            int count = this._items.Count;
-            for (int i = 0; i < count; i++)
-            {
-                if (this._items[i].Target == item)
-                {
-                    return i;
-                }
-            }
-            return -1;
-        }
-
-        // Should be executed under a write lock
-        private void CleanupDeadReferences()
-        {
-            int count = this._items.Count;
-            for (int i = count - 1; i >= 0; i--)
-            {
-                if (this._items[i].Target == null)
-                {
-                    this._items.RemoveAt(i);
-                }
-            }           
-        }
-
-        public List<T> AliveItemsToList()
-        {
-            List<T> aliveItems = new List<T>();
-
-            foreach (var weakItem in this._items)
-            {
-                T item = weakItem.Target as T;
-
-                if (item != null)
-                {
-                    aliveItems.Add(item);
-                }
-            }
-
-            return aliveItems;
-        }
-    }
-}