diff --git a/SecurityPkg/Include/Guid/OpalPasswordExtraInfoVariable.h b/SecurityPkg/Include/Guid/OpalPasswordExtraInfoVariable.h
deleted file mode 100644
index f16d0a4ac3..0000000000
--- a/SecurityPkg/Include/Guid/OpalPasswordExtraInfoVariable.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/** @file
-  Defines Name GUIDs to represent an Opal device variable guid for Opal Security Feature.
-
-Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
-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 _OPAL_PASSWORD_EXTRA_INFO_VARIABLE_H_
-#define _OPAL_PASSWORD_EXTRA_INFO_VARIABLE_H_
-
-#define OPAL_EXTRA_INFO_VAR_NAME L"OpalExtraInfo"
-
-typedef struct {
-  UINT8   EnableBlockSid;
-} OPAL_EXTRA_INFO_VAR;
-
-extern EFI_GUID gOpalExtraInfoVariableGuid;
-
-#endif // _OPAL_PASSWORD_SECURITY_VARIABLE_H_
-