diff --git a/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c b/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c
index ee1970199a..372d03b651 100644
--- a/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c
+++ b/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c
@@ -1,5 +1,6 @@
 /** @file
-  UEFI Boot Services Table Library.
+  This library retrieve the EFI_BOOT_SERVICES pointer from EFI system table in 
+  library's constructor.
 
   Copyright (c) 2006 - 2007, Intel Corporation<BR>
   All rights reserved. This program and the accompanying materials
@@ -17,7 +18,6 @@
 
 #include <Library/UefiBootServicesTableLib.h>
 #include <Library/DebugLib.h>
-#include "UefiBootServicesTableLibInternal.h"
 
 EFI_HANDLE         gImageHandle = NULL;
 EFI_SYSTEM_TABLE   *gST         = NULL;
diff --git a/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf b/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf
index 3a79680eb8..3d575ab812 100644
--- a/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf
+++ b/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf
@@ -1,7 +1,9 @@
 #/** @file
 # UEFI Boot Services Table Library
-#
-# Library to abstract Framework extensions that conflict with UEFI 2.0 Specification
+# 
+# This library retrieve the EFI_BOOT_SERVICES pointer from EFI system table in 
+# library's constructor.
+# 
 # Copyright (c) 2007, Intel Corporation.
 #
 #  All rights reserved. This program and the accompanying materials
@@ -32,7 +34,6 @@
 
 [Sources.common]
   UefiBootServicesTableLib.c
-  UefiBootServicesTableLibInternal.h
 
 [Packages]
   MdePkg/MdePkg.dec
diff --git a/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLibInternal.h b/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLibInternal.h
deleted file mode 100644
index db8468eb83..0000000000
--- a/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLibInternal.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/** @file
-  UEFI Boot Services Table Library internal header
-
-  Copyright (c) 2006 - 2007, Intel Corporation<BR>
-  All rights reserved. This program and the accompanying materials
-  are licensed and made available under the terms and conditions of the BSD License
-  which accompanies this distribution.  The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#ifndef _UEFIBOOTSERVICESTABLE_LIB_H_
-#define _UEFIBOOTSERVICESTABLE_LIB_H_
-/**
-  
-  Initialize gBS.
-   
-  @param  ImageHandle ImageHandle of the loaded driver.
-  @param  SystemTable Pointer to the EFI System Table.
-
-  @retval  EFI_SUCCESS One or more of the drivers returned a success code.
-  @retval  !EFI_SUCESS The return status from the last driver entry point in the list.
-**/
-EFI_STATUS
-EFIAPI
-UefiBootServicesTableLibConstructor (
-  IN EFI_HANDLE        ImageHandle,
-  IN EFI_SYSTEM_TABLE  *SystemTable
-  )
-;
-#endif