Nah, ribit ... it is perfect for something like a helmet and it won't leave a mess like your WD-40/duct tape idea. I've used naptha-based adhesive removers on everything from stickers to removing trim adhesives on automobiles. It won't hurt the underlying surface and it evaporates quickly.

The essential American soul is hard, isolate, stoic, and a killer. It has never yet melted. ~ D.H. Lawrence