---
id: preparatory
requestedLanguage: en
descriptionLanguage: en
---

# Preparatory Refactoring

- Type: practice
- Group: Evolving existing code
- Placement: Changing an existing system
- [Source](<https://martinfowler.com/articles/preparatory-refactoring-example.html>)

[HTML](https://dpm.cnonim.name/practices/preparatory/)

First changes structure without changing behavior, making the subsequent change easier.

## Relationships

- is a variant of: [Refactoring](/practices/refactor/en.md) (structure)

[Show on the map](https://dpm.cnonim.name/#practice=preparatory&lang=en)