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diff --git a/OldMdePkg/Include/Library/DevicePathLib.h b/OldMdePkg/Include/Library/DevicePathLib.h
deleted file mode 100644
index aee5426..0000000
--- a/OldMdePkg/Include/Library/DevicePathLib.h
+++ /dev/null
@@ -1,251 +0,0 @@
-/** @file
-  Entry point to a DXE Boot Services Driver
-
-  Copyright (c) 2006, Intel Corporation                                                         
-  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.             
-
-  Module Name:  DevicePathLib.h
-
-**/
-
-#ifndef __DEVICE_PATH_LIB_H__
-#define __DEVICE_PATH_LIB_H__
-
-/**
-  Returns the size of a device path in bytes.
-
-  This function returns the size, in bytes, of the device path data structure specified by
-  DevicePath including the end of device path node.  If DevicePath is NULL, then 0 is returned.
-
-  @param  DevicePath                 A pointer to a device path data structure.
-
-  @return The size of a device path in bytes.
-
-**/
-UINTN
-EFIAPI
-GetDevicePathSize (
-  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
-  );
-
-/**
-  Creates a new device path by appending a second device path to a first device path.
-
-  This function allocates space for a new copy of the device path specified by DevicePath.  If
-  DevicePath is NULL, then NULL is returned.  If the memory is successfully allocated, then the
-  contents of DevicePath are copied to the newly allocated buffer, and a pointer to that buffer
-  is returned.  Otherwise, NULL is returned.  
-  
-  @param  DevicePath                 A pointer to a device path data structure.
-
-  @return A pointer to the duplicated device path.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-DuplicateDevicePath (
-  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
-  );
-
-/**
-  Creates a new device path by appending a second device path to a first device path.
-
-  This function creates a new device path by appending a copy of SecondDevicePath to a copy of
-  FirstDevicePath in a newly allocated buffer.  Only the end-of-device-path device node from
-  SecondDevicePath is retained. The newly created device path is returned.  
-  If FirstDevicePath is NULL, then it is ignored, and a duplicate of SecondDevicePath is returned.  
-  If SecondDevicePath is NULL, then it is ignored, and a duplicate of FirstDevicePath is returned.  
-  If both FirstDevicePath and SecondDevicePath are NULL, then NULL is returned.  
-  If there is not enough memory for the newly allocated buffer, then NULL is returned.
-  The memory for the new device path is allocated from EFI boot services memory. It is the
-  responsibility of the caller to free the memory allocated.
-
-  @param  FirstDevicePath            A pointer to a device path data structure.
-  @param  SecondDevicePath           A pointer to a device path data structure.
-
-  @return A pointer to the new device path.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-AppendDevicePath (
-  IN CONST EFI_DEVICE_PATH_PROTOCOL  *FirstDevicePath,  OPTIONAL
-  IN CONST EFI_DEVICE_PATH_PROTOCOL  *SecondDevicePath  OPTIONAL
-  );
-
-/**
-  Creates a new path by appending the device node to the device path.
-
-  This function creates a new device path by appending a copy of the device node specified by
-  DevicePathNode to a copy of the device path specified by DevicePath in an allocated buffer.
-  The end-of-device-path device node is moved after the end of the appended device node.
-  If DevicePath is NULL, then NULL is returned.
-  If DevicePathNode is NULL, then NULL is returned.
-  If there is not enough memory to allocate space for the new device path, then NULL is returned.  
-  The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
-  free the memory allocated.
-
-  @param  DevicePath                 A pointer to a device path data structure.
-  @param  DevicePathNode             A pointer to a single device path node.
-
-  @return A pointer to the new device path.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-AppendDevicePathNode (
-  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath,     OPTIONAL
-  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePathNode  OPTIONAL
-  );
-
-/**
-  Creates a new device path by appending the specified device path instance to the specified device
-  path.
- 
-  This function creates a new device path by appending a copy of the device path instance specified
-  by DevicePathInstance to a copy of the device path secified by DevicePath in a allocated buffer.
-  The end-of-device-path device node is moved after the end of the appended device path instance
-  and a new end-of-device-path-instance node is inserted between. 
-  If DevicePath is NULL, then a copy if DevicePathInstance is returned.
-  If DevicePathInstance is NULL, then NULL is returned.
-  If there is not enough memory to allocate space for the new device path, then NULL is returned.  
-  The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
-  free the memory allocated.
-  
-  @param  DevicePath                 A pointer to a device path data structure.
-  @param  DevicePathInstance         A pointer to a device path instance.
-
-  @return A pointer to the new device path.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-AppendDevicePathInstance (
-  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath,        OPTIONAL
-  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePathInstance OPTIONAL
-  );
-
-/**
-  Creates a copy of the current device path instance and returns a pointer to the next device path
-  instance.
-
-  This function creates a copy of the current device path instance. It also updates DevicePath to
-  point to the next device path instance in the device path (or NULL if no more) and updates Size
-  to hold the size of the device path instance copy.
-  If DevicePath is NULL, then NULL is returned.
-  If there is not enough memory to allocate space for the new device path, then NULL is returned.  
-  The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
-  free the memory allocated.
-  If Size is NULL, then ASSERT().
- 
-  @param  DevicePath                 On input, this holds the pointer to the current device path
-                                     instance. On output, this holds the pointer to the next device
-                                     path instance or NULL if there are no more device path
-                                     instances in the device path pointer to a device path data
-                                     structure.
-  @param  Size                       On output, this holds the size of the device path instance, in
-                                     bytes or zero, if DevicePath is NULL.
-
-  @return A pointer to the current device path instance.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-GetNextDevicePathInstance (
-  IN OUT EFI_DEVICE_PATH_PROTOCOL    **DevicePath,
-  OUT UINTN                          *Size
-  );
-
-/**
-  Creates a copy of the current device path instance and returns a pointer to the next device path
-  instance.
-
-  This function creates a new device node in a newly allocated buffer of size NodeLength and
-  initializes the device path node header with NodeType and NodeSubType.  The new device path node
-  is returned.
-  If NodeLength is smaller than a device path header, then NULL is returned.  
-  If there is not enough memory to allocate space for the new device path, then NULL is returned.  
-  The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
-  free the memory allocated.
-
-  @param  NodeType                   The device node type for the new device node.
-  @param  NodeSubType                The device node sub-type for the new device node.
-  @param  NodeLength                 The length of the new device node.
-
-  @return The new device path.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-CreateDeviceNode (
-  IN UINT8                           NodeType,
-  IN UINT8                           NodeSubType,
-  IN UINT16                          NodeLength
-  );
-
-/**
-  Determines if a device path is single or multi-instance.
-
-  This function returns TRUE if the device path specified by DevicePath is multi-instance.
-  Otherwise, FALSE is returned.  If DevicePath is NULL, then FALSE is returned.
-
-  @param  DevicePath                 A pointer to a device path data structure.
-
-  @retval  TRUE                      DevicePath is multi-instance.
-  @retval  FALSE                     DevicePath is not multi-instance or DevicePath is NULL.
-
-**/
-BOOLEAN
-EFIAPI
-IsDevicePathMultiInstance (
-  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath
-  );
-
-/**
-  Retrieves the device path protocol from a handle.
-
-  This function returns the device path protocol from the handle specified by Handle.  If Handle is
-  NULL or Handle does not contain a device path protocol, then NULL is returned.
- 
-  @param  Handle                     The handle from which to retrieve the device path protocol.
-
-  @return The device path protocol from the handle specified by Handle.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-DevicePathFromHandle (
-  IN EFI_HANDLE                      Handle
-  );
-
-/**
-  Allocates a device path for a file and appends it to an existing device path.
-
-  If Device is a valid device handle that contains a device path protocol, then a device path for
-  the file specified by FileName  is allocated and appended to the device path associated with the
-  handle Device.  The allocated device path is returned.  If Device is NULL or Device is a handle
-  that does not support the device path protocol, then a device path containing a single device
-  path node for the file specified by FileName is allocated and returned.
-  If FileName is NULL, then ASSERT().
-
-  @param  Device                     A pointer to a device handle.  This parameter is optional and
-                                     may be NULL.
-  @param  FileName                   A pointer to a Null-terminated Unicode string.
-
-  @return The allocated device path.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-FileDevicePath (
-  IN EFI_HANDLE                      Device,     OPTIONAL
-  IN CONST CHAR16                    *FileName
-  );
-
-#endif