Worked on the ROCm/flash-attention repository to enhance code quality and build reliability by addressing compiler warning noise. Focused on C++ and CUDA, the developer implemented a targeted fix in flash_bwd_kernel.h, introducing the maybe_unused annotation to suppress unused variable warnings for dtanh in specific compilation scenarios. This change did not alter any runtime logic or user-facing features but improved maintainability and streamlined the continuous integration process. By reducing unnecessary warning output in build logs, the work facilitated faster issue triage and improved developer productivity. Documentation and pull request notes were updated to clarify the rationale and link to the related issue.