diff --git a/ArmPkg/ArmPkg.dsc b/ArmPkg/ArmPkg.dsc
index a2433df869..09a48a2452 100644
--- a/ArmPkg/ArmPkg.dsc
+++ b/ArmPkg/ArmPkg.dsc
@@ -2,6 +2,7 @@
 # ARM processor package.
 #
 # Copyright (c) 2009 - 2010, Apple Inc. All rights reserved.<BR>
+# Copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
 #
 #    This program and the accompanying materials
 #    are licensed and made available under the terms and conditions of the BSD License
@@ -64,11 +65,9 @@
   CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
   ArmDisassemblerLib|ArmPkg/Library/ArmDisassemblerLib/ArmDisassemblerLib.inf
   DmaLib|ArmPkg/Library/ArmDmaLib/ArmDmaLib.inf
-  ArmTrustZoneLib|ArmPkg/Library/ArmTrustZoneLib/ArmTrustZoneLib.inf
 
   UefiApplicationEntryPoint|MdePkg/Library/UefiApplicationEntryPoint/UefiApplicationEntryPoint.inf
   PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
-  # TODO: Check if we cannot remove this dependancy (Mayve using the SerialLibNull implementation makes the EFI application do not print)
   SerialPortLib|MdePkg/Library/BaseSerialPortLibNull/BaseSerialPortLibNull.inf
 
   BdsLib|ArmPkg/Library/BdsLib/BdsLib.inf