An apparatus for the removal of liquids from deformable containers, with a first holding device for holding a first region of a container and with a second holding device for holding a second region of the container, wherein this second region is arranged at a distance from the first region, with a removal device for removing liquid from the container and with a drive device which moves the second holding device in a pre-set direction of movement (L) with respect to the first holding device. The removal device is arranged on the apparatus in a removable manner and at least one element of the removal device is designed in the form of a one-way element.