# git gc
> Optimise the local repository by cleaning unnecessary files.
- Optimise the repository:
`git gc`
- Aggressively optimise, takes more time:
`git gc --aggressive`
- Do not prune loose objects (prunes by default):
`git gc --no-prune`
- Suppress all output:
`git gc --quiet`
- View full usage:
`git gc --help`
