One often-overlooked benefit of code coverage in software testing is its ability to uncover dead or redundant code—sections of the codebase that are never executed during tests. These unused code segments can accumulate over time, especially in large or legacy applications, and often go unnoticed until they cause unexpected behavior or complicate maintenance.

By analyzing code coverage reports, teams can pinpoint which functions, methods, or conditional branches are never invoked, helping identify unnecessary or outdated logic. Removing this dead code not only simplifies the application but also reduces potential sources of bugs, lowers maintenance overhead, and improves overall software performance.

Moreover, leveraging code coverage in this way promotes a proactive approach to code quality management. It encourages regular refactoring cycles, ensures that tests focus on meaningful parts of the application, and provides a more accurate picture of which areas truly need attention. Over time, this strategy leads to a cleaner, more maintainable, and reliable codebase while ensuring that critical workflows remain thoroughly tested.