The functions that are never called have been removed. They are Ikev2OnPacketAccepted, Ikev2SaSessionOnDeleting, Ikev2ChildSaSessionLookupByMid, Ikev2ChildSaSessionOnDeleting and Ikev2ChildExchangeRekeySpi. Cc: Jiaxin Wu <jiaxin.wu@intel.com> Cc: Siyuan Fu <siyuan.fu@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1064 Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Songpeng Li <songpeng.li@intel.com> Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>