1 files changed, 0 insertions, 76 deletions
diff --git a/src/mscorlib/src/System/IO/PinnedBufferMemoryStream.cs b/src/mscorlib/src/System/IO/PinnedBufferMemoryStream.cs
deleted file mode 100644
index 284cd927dc..0000000000
--- a/src/mscorlib/src/System/IO/PinnedBufferMemoryStream.cs
+++ /dev/null
@@ -1,76 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-/*============================================================
-**
-** 
-** 
-**
-**
-** Purpose: Pins a byte[], exposing it as an unmanaged memory 
-**          stream.  Used in ResourceReader for corner cases.
-**
-**
-===========================================================*/
-
-using System;
-using System.Runtime.InteropServices;
-using System.Diagnostics;
-using System.Diagnostics.Contracts;
-
-namespace System.IO
-{
-    internal sealed unsafe class PinnedBufferMemoryStream : UnmanagedMemoryStream
-    {
-        private byte[] _array;
-        private GCHandle _pinningHandle;
-
-        // The new inheritance model requires a Critical default ctor since base (UnmanagedMemoryStream) has one
-        private PinnedBufferMemoryStream() : base() { }
-
-        internal PinnedBufferMemoryStream(byte[] array)
-        {
-            Debug.Assert(array != null, "Array can't be null");
-
-            int len = array.Length;
-            // Handle 0 length byte arrays specially.
-            if (len == 0)
-            {
-                array = new byte[1];
-                len = 0;
-            }
-
-            _array = array;
-            _pinningHandle = new GCHandle(array, GCHandleType.Pinned);
-            // Now the byte[] is pinned for the lifetime of this instance.
-            // But I also need to get a pointer to that block of memory...
-            fixed (byte* ptr = &_array[0])
-                Initialize(ptr, len, len, FileAccess.Read);
-        }
-
-        ~PinnedBufferMemoryStream()
-        {
-            Dispose(false);
-        }
-
-        protected override void Dispose(bool disposing)
-        {
-            if (_isOpen)
-            {
-                _pinningHandle.Free();
-                _isOpen = false;
-            }
-#if _DEBUG
-            // To help track down lifetime issues on checked builds, force 
-            //a full GC here.
-            if (disposing)
-            {
-                GC.Collect();
-                GC.WaitForPendingFinalizers();
-            }
-#endif
-            base.Dispose(disposing);
-        }
-    }
-}