An absorbent cloth and a hairdryer should be enough to do the trick. To effectively remove wax from a glass wall, scrape away excess wax from the glass, and then use a hairdryer to melt the remaining wax from the glass. Use water and warm water to clean the glass afterward. If you are not careful when removing wax from glass walls or even other glass surfaces, you can end up scratching the glass and making it look even worse. However, removing wax from glass surfaces is almost similar to the general process of removing wax from most hard surfaces.