We all have reasons for holding onto the past, like that Transformers lunchbox that I couldn’t handle throwing away. I loved it, but the truth is I was never going to use it again. But in the realm of professional software engineering, holding onto anything that isn’t being utilized can wreak havoc on a codebase through unintentional bugs and clutter that hurts maintainability and team moral. This unused code is called “dead code.” But how do we know when code is dead? And worse yet, how do we convince ourselves that it’s finally okay to let go of that lunchbox you’re not using anymore? The following tips will help you to get rid of the hoarding problem.