Batuhan Altun contributed to the nrfconnect/sdk-zephyr repository by delivering a device tree cleanup and DTS linting improvements focused on embedded systems and system on chip (SoC) configuration. He enhanced the maintainability and clarity of DTS files by removing redundant disables, documenting intentional disables to clarify hardware conflicts, and addressing spacing warnings to improve lint compliance. Using DTS and device tree management skills, Batuhan aligned board-level device tree sources with the underlying SoC definitions, reducing duplication and potential misconfigurations. This work improved the readability and reliability of hardware descriptions, supporting safer hardware bring-up and enabling faster, more confident future changes.