Worked on configuration hygiene within the openedx/credentials repository by removing the unused USE_CERTIFICATE_AVAILABLE_DATE flag from the base settings. This targeted code refactoring effort focused on simplifying configuration management and reducing the risk of misconfiguration by eliminating dead code paths. Using Python, the developer streamlined the settings structure, aligning with broader flag-cleanup initiatives to support maintainability and reduce cognitive load for future development. The change was low-risk but delivered high maintenance value, ensuring that the configuration surface area remained minimal and easier to manage. No bugs were fixed during this period, with all work centered on proactive configuration improvement.