The most common reason to remove bricks from your fireplace will be because they were damaged or deteriorated over time, and replacing them with new ones can help increase their lifespan as well since old materials like these tend to work best when installed by experts who know their trade inside out! If you're planning on installing an entirely different kind then that's another great reason too – just remember that doing any masonry work requires permits in many places today especially if there are costs involved so it's best to hire a professional if you don't have any experience with this kind of project.