Test a small hidden area first
Wear gloves, eye protection, and a mask
Remove loose paint with a stiff nylon brush or plastic scraper
Apply a paint stripper made for masonry
Let it sit for the recommended time
Scrub the softened paint with a stiff brush
Rinse with water
Repeat as needed
Use a pressure washer on low setting if appropriate
Avoid wire brushes that can damage brick
Avoid sandblasting unless done by a professional
Remove residue with a masonry-safe cleaner
Allow the brick to dry completely
Seal the brick if needed after cleaning