# 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-static.d5render.com/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces/-MjbN1iGmN_HBnj_fyU9/uploads/gkGKf3mAlKBhl6ggxSAc/image.png)