# Tree Shaking

Removing exports that a build can determine are unused.

## What is **Tree Shaking** in JavaScript?

**Tree Shaking** — Removing exports that a build can determine are unused.

Level: Freelancer · [More JavaScript terms at this level](https://www.ask-codey.com/glossary/subjects/javascript/freelancer)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/tree-shaking