diff --git a/ArmPlatformPkg/PeilessSec/Arm/ArchPeilessSec.c b/ArmPlatformPkg/PeilessSec/Arm/ArchPeilessSec.c
deleted file mode 100644
index e2f6f67904..0000000000
--- a/ArmPlatformPkg/PeilessSec/Arm/ArchPeilessSec.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/** @file
-
-  Copyright (c) 2011 - 2013, ARM Limited. All rights reserved.
-
-  SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "PeilessSec.h"
-
-/**
-  Architecture specific initialization routine.
-**/
-VOID
-ArchInitialize (
-  VOID
-  )
-{
-  // Enable program flow prediction, if supported.
-  ArmEnableBranchPrediction ();
-}
diff --git a/ArmPlatformPkg/PeilessSec/Arm/ModuleEntryPoint.S b/ArmPlatformPkg/PeilessSec/Arm/ModuleEntryPoint.S
deleted file mode 100644
index 9043d8679a..0000000000
--- a/ArmPlatformPkg/PeilessSec/Arm/ModuleEntryPoint.S
+++ /dev/null
@@ -1,97 +0,0 @@
-//
-//  Copyright (c) 2011 - 2020, Arm Limited. All rights reserved.<BR>
-//
-//  SPDX-License-Identifier: BSD-2-Clause-Patent
-//
-//
-
-#include <AsmMacroLib.h>
-
-#include <Arm/AArch32.h>
-
-ASM_FUNC(_ModuleEntryPoint)
-  // Do early platform specific actions
-  bl    ASM_PFX(ArmPlatformPeiBootAction)
-
-#if (FixedPcdGet32 (PcdVFPEnabled))
-  // Enable Floating Point. This needs to be done before entering C code, which
-  // may use FP/SIMD registers.
-  bl    ArmEnableVFP
-#endif
-
-// Check if we can install the stack at the top of the System Memory or if we need
-// to install the stacks at the bottom of the Firmware Device (case the FD is located
-// at the top of the DRAM)
-_SystemMemoryEndInit:
-  ADRL  (r1, mSystemMemoryEnd)
-  ldrd  r2, r3, [r1]
-  teq   r3, #0
-  moveq r1, r2
-  mvnne r1, #0
-
-_SetupStackPosition:
-  // r1 = SystemMemoryTop
-
-  // Calculate Top of the Firmware Device
-  MOV32 (r2, FixedPcdGet32(PcdFdBaseAddress))
-  MOV32 (r3, FixedPcdGet32(PcdFdSize) - 1)
-  add   r3, r3, r2      // r3 = FdTop = PcdFdBaseAddress + PcdFdSize
-
-  // UEFI Memory Size (stacks are allocated in this region)
-  MOV32 (r4, FixedPcdGet32(PcdSystemMemoryUefiRegionSize))
-
-  //
-  // Reserve the memory for the UEFI region (contain stacks on its top)
-  //
-
-  // Calculate how much space there is between the top of the Firmware and the Top of the System Memory
-  subs  r0, r1, r3      // r0 = SystemMemoryTop - FdTop
-  bmi   _SetupStack     // Jump if negative (FdTop > SystemMemoryTop). Case when SEC is in XIP memory outside of the DRAM
-  cmp   r0, r4
-  bge   _SetupStack
-
-  // Case the top of stacks is the FdBaseAddress
-  mov   r1, r2
-
-_SetupStack:
-  // r1 contains the top of the stack (and the UEFI Memory)
-
-  // Because the 'push' instruction is equivalent to 'stmdb' (decrement before), we need to increment
-  // one to the top of the stack. We check if incrementing one does not overflow (case of DRAM at the
-  // top of the memory space)
-  adds  r9, r1, #1
-  bcs   _SetupOverflowStack
-
-_SetupAlignedStack:
-  mov   r1, r9
-  b     _GetBaseUefiMemory
-
-_SetupOverflowStack:
-  // Case memory at the top of the address space. Ensure the top of the stack is EFI_PAGE_SIZE
-  // aligned (4KB)
-  MOV32 (r9, ~EFI_PAGE_MASK & 0xFFFFFFFF)
-  and   r1, r1, r9
-
-_GetBaseUefiMemory:
-  // Calculate the Base of the UEFI Memory
-  sub   r0, r1, r4
-
-_GetStackBase:
-  // r1 = The top of the stack
-  mov   sp, r1
-
-  // Stack for the primary core = PrimaryCoreStack
-  MOV32 (r2, FixedPcdGet32(PcdCPUCorePrimaryStackSize))
-  sub   r1, r1, r2
-
-  // Move sec startup address into a data register
-  // Ensure we're jumping to FV version of the code (not boot remapped alias)
-  ldr   r4, =ASM_PFX(CEntryPoint)
-
-  // Jump to SEC C code
-  //    r0 = UefiMemoryBase
-  //    r1 = StacksBase
-  blx   r4
-
-_NeverReturn:
-  b _NeverReturn
diff --git a/ArmPlatformPkg/PeilessSec/PeilessSec.inf b/ArmPlatformPkg/PeilessSec/PeilessSec.inf
index db7449f61b..f5e0726adb 100644
--- a/ArmPlatformPkg/PeilessSec/PeilessSec.inf
+++ b/ArmPlatformPkg/PeilessSec/PeilessSec.inf
@@ -20,10 +20,6 @@
   PeilessSec.h
   PeilessSec.c
 
-[Sources.ARM]
-  Arm/ArchPeilessSec.c
-  Arm/ModuleEntryPoint.S
-
 [Sources.AArch64]
   AArch64/ArchPeilessSec.c
   AArch64/ModuleEntryPoint.S
@@ -74,9 +70,6 @@
   gArmTokenSpaceGuid.PcdFvSize
   gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize
 
-[FixedPcd.ARM]
-  gArmTokenSpaceGuid.PcdVFPEnabled
-
 [Pcd]
   gArmTokenSpaceGuid.PcdSystemMemoryBase
   gArmTokenSpaceGuid.PcdSystemMemorySize