Fix excess bless artifacts in glance

Amends upstream merge 47edcd658df9bf9bd22f8e1ed04b286ab8bcdef8;
part of commit 93c40a2c57711028b0fdaf07aa444e03cd9054c9 was not included

Change-Id: Ic97b43a523b8ae5750de42990f31e3effec558d1