1. Open Unreal Editor.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-1.png)
2. Delete every CC Character along with its CC_Auto_Setup_Material_Instances folder that was created by CC & iClone Auto-setup.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-2.png)
3. Delete the current Project > Content > CC_shader folder.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-3.png)
4. Close Unreal Editor.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-4.png)
5. Delete the current Project > Plugins folder > Auto Setup #.##.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-5.png)
* Updates to or removal of Auto Setup will reset the materials on all Character Creator / iClone characters & iClone Props. Please reconfigure your material settings after making changes to Auto Setup.