1 files changed, 0 insertions, 80 deletions
diff --git a/mcs/class/System.ComponentModel.Composition/src/ComponentModel/System/Lazy.cs b/mcs/class/System.ComponentModel.Composition/src/ComponentModel/System/Lazy.cs
deleted file mode 100644
index 6d3b11acfb3..00000000000
--- a/mcs/class/System.ComponentModel.Composition/src/ComponentModel/System/Lazy.cs
+++ /dev/null
@@ -1,80 +0,0 @@
-// -----------------------------------------------------------------------
-// Copyright (c) Microsoft Corporation.  All rights reserved.
-// -----------------------------------------------------------------------
-#if !CLR40
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using Microsoft.Internal;
-
-namespace System
-{
-    public class Lazy<T>
-    {
-        private T _value = default(T);
-        private volatile bool _isValueCreated = false;
-        private Func<T> _valueFactory = null;
-        private object _lock;
-
-        public Lazy()
-            : this(() => Activator.CreateInstance<T>())
-        {
-        }
-
-        public Lazy(bool isThreadSafe)
-            : this(() => Activator.CreateInstance<T>(), isThreadSafe)
-        {
-        }
-
-        public Lazy(Func<T> valueFactory):
-            this(valueFactory, true)
-        {
-        }
-
-        public Lazy(Func<T> valueFactory, bool isThreadSafe)
-        {
-            Requires.NotNull(valueFactory, "valueFactory");
-            if(isThreadSafe)
-            {
-                this._lock = new object();
-            }
-
-            this._valueFactory = valueFactory;
-        }
-
-
-        public T Value
-        {
-            get
-            {
-                if (!this._isValueCreated)
-                {
-                    if(this._lock != null)
-                    {
-                        Monitor.Enter(this._lock);
-                    }
-
-                    try
-                    {
-                        T value = this._valueFactory.Invoke();
-                        this._valueFactory = null;
-                        Thread.MemoryBarrier();
-                        this._value = value;
-                        this._isValueCreated = true;
-                    }
-                    finally
-                    {
-                        if(this._lock != null)
-                        {
-                            Monitor.Exit(this._lock);
-                        }
-                    }
-                }
-                return this._value;
-            }
-        }
-    }
-}
-#endif