Clean up Logic Pro for Mac projects
When Enable Complete Features is selected in Logic Pro > Settings > Advanced, you can clean up a project by deleting unused or unneeded media files using the Clean Up command.
Clean up project files
In Logic Pro, choose File > Project Management > Clean Up.
In the dialog that appears, select the checkboxes for the cleanup options you want to apply to the current project.
Delete Unused Files: Files not used in any project alternative are deleted from the project, and removed from the Project Audio Browser.
Note: Selecting Delete Unused Files will also select Delete Backups.
Delete Backups: Backups for all project alternatives are deleted from the project.
Click OK.
A dialog appears, showing all of the files to be deleted from the project. To keep any individual files from being deleted from the project, deselect the Delete checkbox for those files.
Click OK.