diff --git a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibStandaloneMm.inf b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibStandaloneMm.inf
deleted file mode 100644
index 97db485e23..0000000000
--- a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibStandaloneMm.inf
+++ /dev/null
@@ -1,78 +0,0 @@
-## @file
-# Instance of Device Path Library based on Memory Allocation Library.
-#
-# Device Path Library that layers on top of the Memory Allocation Library.
-#
-# This library instances is deprecated and should no longer be used.  Ue
-# MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibBase.inf instead.
-#
-# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# Copyright (c) Microsoft Corporation.
-#
-#  SPDX-License-Identifier: BSD-2-Clause-Patent
-#
-#
-##
-
-[Defines]
-  INF_VERSION                    = 0x00010005
-  BASE_NAME                      = UefiDevicePathLibStandaloneMm
-  MODULE_UNI_FILE                = UefiDevicePathLib.uni
-  FILE_GUID                      = 7B60A2BC-9259-48A8-8279-971412EECAB3
-  MODULE_TYPE                    = BASE
-  PI_SPECIFICATION_VERSION       = 0x00010032
-  VERSION_STRING                 = 1.0
-  LIBRARY_CLASS                  = DevicePathLib
-
-
-#
-#  VALID_ARCHITECTURES           = IA32 X64 EBC
-#
-
-[Sources]
-  DevicePathUtilities.c
-  DevicePathUtilitiesBase.c
-  DevicePathToText.c
-  DevicePathFromText.c
-  UefiDevicePathLib.c
-  UefiDevicePathLib.h
-
-[Packages]
-  MdePkg/MdePkg.dec
-
-[LibraryClasses]
-  BaseLib
-  MemoryAllocationLib
-  DebugLib
-  BaseMemoryLib
-  PcdLib
-  PrintLib
-
-[Guids]
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiVTUTF8Guid
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiVT100Guid
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiVT100PlusGuid
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiPcAnsiGuid
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiUartDevicePathGuid
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiSasDevicePathGuid
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiVirtualDiskGuid
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiVirtualCdGuid
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiPersistentVirtualDiskGuid
-  ## SOMETIMES_CONSUMES  ## GUID
-  gEfiPersistentVirtualCdGuid
-
-[Protocols]
-  gEfiDevicePathProtocolGuid                    ## SOMETIMES_CONSUMES
-  gEfiDebugPortProtocolGuid                     ## UNDEFINED
-
-[Pcd]
-  gEfiMdePkgTokenSpaceGuid.PcdMaximumDevicePathNodeCount    ## SOMETIMES_CONSUMES
diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc
index f8b3ff54c3..0509bb6932 100644
--- a/MdePkg/MdePkg.dsc
+++ b/MdePkg/MdePkg.dsc
@@ -111,7 +111,6 @@
   MdePkg/Library/UefiDebugLibStdErr/UefiDebugLibStdErr.inf
   MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
   MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibBase.inf
-  MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibStandaloneMm.inf
   MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibOptionalDevicePathProtocol.inf
   MdePkg/Library/UefiDevicePathLibDevicePathProtocol/UefiDevicePathLibDevicePathProtocol.inf
   MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf