This unofficial TaleSpire mod adds functionality to remove a unique create from the Unique Creature Panel list.
1.0.0: Initial release
Use R2ModMan or similar installer to install.
Have the Unique Creature Panel open on the right side of your screen. Hold the left-CTRL key and right-click the creature icon located on the left side of the list item of the creature you wish to remove from the Unique Creature list. Clicking on the list item itself or the empty space under the creatures name DOES NOT work. You MUST click the icon.