Worked on the apache/nuttx repository to standardize board defconfig files, focusing on improving build reliability and cross-platform consistency for embedded systems. The main contribution involved removing the CONFIG_DEV_ZERO option from multiple board configurations, which reduced configuration drift and aligned build settings with common defaults. This change enabled more reproducible builds and streamlined continuous integration processes, making it easier to onboard new hardware platforms. The work was implemented in C and leveraged skills in build systems and configuration management. Documentation and a targeted commit were provided to serve as a reference for future defconfig policy enforcement and ongoing maintenance efforts.