Die apt-Warnung lebt weiter:

root@nope:/etc/apache2/mods-enabled# a2dismod access_compat
WARNING: The following essential module will be disabled.
This might result in unexpected behavior and should NOT be done
unless you know exactly what you are doing!
access_compat

To continue type in the phrase ‚Yes, do as I say!‘ or retry by passing ‚-f‘: Yes, do as I say!
Module access_compat disabled.
To activate the new configuration, you need to run:
service apache2 restart