# How to clean up a D5 project occupying too much space?

Under "File" in the project menu, you can select "Clean Data" to delete the imported models and automatically saved backup files of the current project.

![image](https://docs.d5render.com/~gitbook/image?url=https%3A%2F%2F3611830798-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-MjbN1iGmN_HBnj_fyU9%252Fuploads%252FgkGKf3mAlKBhl6ggxSAc%252Fimage.png%3Falt%3Dmedia%26token%3D1268a8aa-a9fa-4694-8361-987f8036e508&width=768&dpr=3&quality=100&sign=b7ba91a&sv=2)