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syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
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# systemctl unset-environment

> Unset one or more service manager environment variables.
> This undoes the effect of `systemctl set-environment`.
> More information: <https://www.freedesktop.org/software/systemd/man/latest/systemctl.html#unset-environment%20VARIABLE%E2%80%A6>.

- Unset a single environment variable:

`systemctl unset-environment {{var}}`

- Unset multiple environment variables at once:

`systemctl unset-environment {{var1 var2 ...}}`

- Unset an environment variable in the user service manager:

`systemctl unset-environment {{var}} --user`