diff --git a/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/Ia32/IntHandler.S b/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/Ia32/IntHandler.S
deleted file mode 100644
index 69c903788c..0000000000
--- a/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/Ia32/IntHandler.S
+++ /dev/null
@@ -1,28 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2013, 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.
-#
-# Module Name:
-#
-#   IntHandler.S
-#
-# Abstract:
-#
-#   Assembly interrupt handler function.
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(AsmInterruptHandle)
-
-.text
-ASM_PFX(AsmInterruptHandle):
-   cli
-   movb   $1, %al
-   iretl
diff --git a/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/PeCoffExtraActionLibDebug.inf b/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/PeCoffExtraActionLibDebug.inf
index 1c52a000b0..fd56b8c94a 100644
--- a/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/PeCoffExtraActionLibDebug.inf
+++ b/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/PeCoffExtraActionLibDebug.inf
@@ -35,12 +35,10 @@
 [Sources.IA32]
   Ia32/IntHandlerFuncs.c
   Ia32/IntHandler.nasm
-  Ia32/IntHandler.S
 
 [Sources.X64]
   X64/IntHandlerFuncs.c
   X64/IntHandler.nasm
-  X64/IntHandler.S
 
 [Packages]
   MdePkg/MdePkg.dec
diff --git a/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/X64/IntHandler.S b/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/X64/IntHandler.S
deleted file mode 100644
index 108b40cf6d..0000000000
--- a/SourceLevelDebugPkg/Library/PeCoffExtraActionLibDebug/X64/IntHandler.S
+++ /dev/null
@@ -1,28 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2013, 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.
-#
-# Module Name:
-#
-#   IntHandler.S
-#
-# Abstract:
-#
-#   Assembly interrupt handler function.
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(AsmInterruptHandle)
-
-.text
-ASM_PFX(AsmInterruptHandle):
-   cli
-   movb   $1, %al
-   iretq