Annemarie Boogaard focused on improving the Nictiz/HL7-mappings repository by addressing technical debt in the HL7-to-ADA transformation pipeline. She performed a targeted code cleanup using XSLT, identifying and removing unused legacy transformation files to streamline the project structure. This work enhanced repository maintainability and reduced the risk of errors by eliminating dead code paths, making future changes more efficient. Leveraging her skills in XML transformation and XSLT development, Annemarie’s contribution improved onboarding readiness for new developers and supported a more agile workflow. The depth of her work lay in careful analysis and precise removal of obsolete components without disrupting functionality.