diff --git a/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgentLib.inf b/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgentLib.inf
index 03ebbb6e74..8b81795d96 100644
--- a/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgentLib.inf
+++ b/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgentLib.inf
@@ -39,14 +39,12 @@
   DebugAgentCommon/DebugMp.h
 
 [Sources.Ia32]
-  DebugAgentCommon/Ia32/AsmFuncs.S
   DebugAgentCommon/Ia32/AsmFuncs.nasm
   DebugAgentCommon/Ia32/ArchDebugSupport.h
   DebugAgentCommon/Ia32/ArchDebugSupport.c
   DebugAgentCommon/Ia32/DebugException.h
 
 [Sources.X64]
-  DebugAgentCommon/X64/AsmFuncs.S
   DebugAgentCommon/X64/AsmFuncs.nasm
   DebugAgentCommon/X64/ArchDebugSupport.h
   DebugAgentCommon/X64/ArchDebugSupport.c
diff --git a/SourceLevelDebugPkg/Library/DebugAgent/SmmDebugAgentLib.inf b/SourceLevelDebugPkg/Library/DebugAgent/SmmDebugAgentLib.inf
index 08ed1777be..f1b32daab3 100644
--- a/SourceLevelDebugPkg/Library/DebugAgent/SmmDebugAgentLib.inf
+++ b/SourceLevelDebugPkg/Library/DebugAgent/SmmDebugAgentLib.inf
@@ -39,14 +39,12 @@
   DebugAgentCommon/DebugMp.h
 
 [Sources.Ia32]
-  DebugAgentCommon/Ia32/AsmFuncs.S
   DebugAgentCommon/Ia32/AsmFuncs.nasm
   DebugAgentCommon/Ia32/ArchDebugSupport.h
   DebugAgentCommon/Ia32/ArchDebugSupport.c
   DebugAgentCommon/Ia32/DebugException.h
 
 [Sources.X64]
-  DebugAgentCommon/X64/AsmFuncs.S
   DebugAgentCommon/X64/AsmFuncs.nasm
   DebugAgentCommon/X64/ArchDebugSupport.h
   DebugAgentCommon/X64/ArchDebugSupport.c