During February 2025, Chris Tew focused on improving codebase maintainability for the google/heir repository by performing targeted code cleanup in C++. He removed a stale Copybara workaround comment from the OpenFhePkeTemplates.h header, clarifying code paths and reducing potential confusion for contributors. This change enhanced code readability and supported easier onboarding for new team members by eliminating obsolete commentary. Chris applied disciplined version control practices and adhered to project conventions throughout the process. While the scope of work was limited to a single feature and did not involve bug fixes, the update contributed to safer collaboration and future code comprehension.