[Request] Lenovo T420 - Bios 83ET57WW (v1.27) Whitelist Removel

Can you help me remove whitelist for the following bios:

-Manufacturer: Lenovo
-Motherboard Model: ThinkPad T420
-Bios Version: 83ET57WW
-Bios revision: 1.27
-Bios Release: 05/17/2011

Regards