Permanent File Removal
To permanently remove a file from a device, select the device in the structure tree and delete the file assignment in the Assigned objects area.
If you delete a file in the structure tree under Files, it will be removed from ALL devices to which it was assigned.
Temporary File Removal
To temporarily remove a file from a device, select Other commands > Delete file from device in the device's context menu. The file assignment will remain in the Assigned Objects area, and the file will be present on the device again after the next reboot.