ofono installed on my desktop pc and can't be removed

[MV]

Upgrade of my desktop PC to willy 15.10 installed ofono with errors during package installation.

now ofono is installed, (and seams to work !!???) :

sept. 19 15:19:12 P5QL-PRO audit[540]: AVC apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/telepathy/telepathy-ofono" pid=540 comm="apparmor_parser"
sept. 19 15:19:21 P5QL-PRO ofonod[746]: ofonod[746]: oFono version 1.16
sept. 19 15:19:21 P5QL-PRO ofonod[746]: oFono version 1.16
sept. 19 15:19:22 P5QL-PRO ofonod[746]: Excluding RIL modem driver
sept. 19 15:19:22 P5QL-PRO ofonod[746]: ofonod[746]: Excluding RIL modem driver
sept. 19 15:19:23 P5QL-PRO ofonod[746]: ofonod[746]: RILDEV detected modem type ril, 1 SIM slot(s)
sept. 19 15:19:23 P5QL-PRO ofonod[746]: RILDEV detected modem type ril, 1 SIM slot(s)
sept. 19 15:19:23 P5QL-PRO ofonod[746]: create_rilmodem: ofono_modem_register returned: -19
sept. 19 15:19:23 P5QL-PRO ofonod[746]: ofonod[746]: create_rilmodem: ofono_modem_register returned: -19
sept. 19 15:19:26 P5QL-PRO NetworkManager[747]: <info> ofono is now available

not in service list.

and can't be removed without indicator-network and others :

indicator-network libconnectivity-qt1 libconnectivity-qt1-dev libqofono-qt5-0 ofono qml-module-ubuntu-connectivity