# CleanupAtlasPacking()

> Cleanup internal states after packing SpriteAtlas assets. Must be called after a call to SpriteAtlasUtility.PackAllAtlases.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor.U2D](/engine/6000.5/script-reference/unityeditor/u2d.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public static void CleanupAtlasPacking()
```