Getting rid of unnecessary lines or geometry components can be very useful when working in Google Earth. This can make your diagram much less complex and can even give you extra space to work with, if you need it. Eliminating surfaces that won't actually be seen while you're working in Google Earth is a great way to optimize your models and it's easy too! In this tutorial, you'll learn how to clean up a model and save on space just by getting rid of what you don't need.