diff --git a/DuetPkg/CpuDxe/Cpu.dxs b/DuetPkg/CpuDxe/Cpu.dxs
deleted file mode 100644
index b07f51b159..0000000000
--- a/DuetPkg/CpuDxe/Cpu.dxs
+++ /dev/null
@@ -1,25 +0,0 @@
-/*++
-
-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:
-  Cpu.dxs
-
-Abstract:
-  Dependency expression source file.
-  
---*/  
-
-#include "EfiDepex.h"
-#include EFI_PROTOCOL_DEFINITION (Legacy8259)
-
-DEPENDENCY_START
-  EFI_LEGACY_8259_PROTOCOL_GUID
-DEPENDENCY_END