portainer-docs/user/docker/volumes/remove.md

Remove a volume

{% hint style="danger" %} When you delete a volume, all of the content inside the volume will be erased. {% endhint %}

From the menu select Volumes, tick the checkbox next to the volume you want remove then click Remove.

{% hint style="info" %} You cannot remove volumes attached to a container. If you want to do this, first remove the container then remove the volumes. {% endhint %}

When the confirmation message appears, click Remove.