# dpkg -P libunity9:amd64 dpkg: dependency problems prevent removal of libunity9:amd64: nautilus depends on libunity9 (>= 3.8.4). thunderbird-gnome-support depends on libunity9. empathy depends on libunity9 (>= 3.4.6).
# dpkg -P libunity9:amd64 gnome-support depends on libunity9.
dpkg: dependency problems prevent removal of libunity9:amd64:
nautilus depends on libunity9 (>= 3.8.4).
thunderbird-
empathy depends on libunity9 (>= 3.4.6).