refactor
verbUK /ˌriːˈfæktə/
US /ˌriːˈfæktər/
To clean up and improve the way a computer program is written without changing what it does.
The team decided to refactor the old code so it would be easier to read.
OTHER MEANINGS
2. To reorganize something such as a process or document to make it clearer or more efficient.
She refactored the report's outline before writing the final draft.
3. To break a large task into smaller, simpler parts.
We refactored the project into weekly milestones.
4. To rewrite a piece of text to improve its style while keeping the same meaning.
The editor refactored the paragraph to make it flow better.