# How To Refactor Legacy Code

DevFeed: [How To Refactor Legacy Code](<https://devfeed.tech/articles/how-to-refactor-legacy-code-26208.md>)

Original publisher: [Read original article](<https://craftbettersoftware.com/p/how-to-refactor-legacy-code>)

Author: Daniel Moka

Published: 2025-04-12T05:01:26Z

Content type: tutorial

Language: en

Sources: [Craft Better Software](<https://devfeed.tech/sources/craft-better-software.md>)

Topics: [Refactoring](<https://devfeed.tech/topics/refactoring.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Dependency injection](<https://devfeed.tech/topics/dependency-injection.md>), [Test coverage](<https://devfeed.tech/topics/coverage.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>)

Tags: [dependency-injection](<https://devfeed.tech/tags/dependency-injection.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [legacy-code](<https://devfeed.tech/tags/legacy-code.md>), [refactor](<https://devfeed.tech/tags/refactor.md>), [refactoring](<https://devfeed.tech/tags/refactoring.md>), [testing](<https://devfeed.tech/tags/testing.md>), [tests](<https://devfeed.tech/tags/tests.md>)

## AI overview

A six-step strategy for refactoring legacy code by breaking dependencies, using characterization and other testing techniques, achieving test coverage, and then changing the code.

## Source excerpt

The art of making your code testable, testing it effectively, and refactoring it like a pro