# libtmux.common.EnvironmentMixin.remove_environment

- **Module:** libtmux.common.EnvironmentMixin
- **Package:** libtmux
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/libtmux/blob/036c521c4b83ce6e434eb50afe2a0d08a6a05e46/src/libtmux/common.py#L146
- **Page:** https://libtmux.org/reference/py/libtmux-common-environmentmixin-remove_environment/

```
libtmux.common.EnvironmentMixin.remove_environment(self, name: str) -> None
```

Remove environment variable ``$ tmux set-environment -r <name>``.

## Parameters

- `self`
- `name` (str) — The environment variable name, e.g. 'PATH'.

## Raises

- `ValueError` — If tmux returns an error.