Hi Ard, Actually we need a change similar to the one done for ArmVirtKvmTool.dsc. The following change fixes the issue, and there is no need to update PeilessSec.inf diff --git a/Platform/ARM/VExpressPkg/ArmVExpress-FVP-AArch64.dsc b/Platform/ARM/VExpressPkg/ArmVExpress-FVP-AArch64.dsc index d57304699e83..f72620a62b78 100644 --- a/Platform/ARM/VExpressPkg/ArmVExpress-FVP-AArch64.dsc +++ b/Platform/ARM/VExpressPkg/ArmVExpress-FVP-AArch64.dsc @@ -231,6 +231,7 @@ [Components.common] ArmPlatformPkg/PeilessSec/PeilessSec.inf { ArmPlatformLib|Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/ArmVExpressLib.inf +      NULL|MdeModulePkg/Library/LzmaCustomDecompressLib/LzmaCustomDecompressLib.inf } !else # UEFI lives in FLASH and copies itself to RAM Regards, Sami Mujawar -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#120450): https://edk2.groups.io/g/devel/message/120450 Mute This Topic: https://groups.io/mt/108128468/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-