diff --git a/aossceilo/nc.py b/aossceilo/nc.py
index e16e3ccd423702290eadf5fc1e70761e147e9cff..ad149ba36a5c273402cc4e594a9b2ba70fe97aef 100644
--- a/aossceilo/nc.py
+++ b/aossceilo/nc.py
@@ -8,20 +8,17 @@ __docformat__ = 'Epytext'
 
 from os import path, makedirs
 import logging
-from time import gmtime
 from calendar import timegm
 from datetime import datetime, timedelta
-from urllib2 import HTTPError#, urlopen
 
 import pkg_resources
 from numpy import array, zeros, int32, int8, uint16
-from pycdf import NC
 
-from metobs import mytime
-from metobs.util.gen_open import open_ascii as urlopen
-from metobs.util.nc import create_nc_from_ncml
-from metobs.ceilo.CONFIG import get_ascii_url, get_nc_filename, get_cache_dir as _get_destination_dir
-from message import Message2, load_messages
+from metobscommon.util import mytime
+from metobscommon.util.gen_open import open_ascii as urlopen
+from metobscommon.util.legacy_nc import create_nc_from_ncml
+from aossceilo.CONFIG import get_ascii_url, get_nc_filename, get_cache_dir as _get_destination_dir
+from .message import load_messages
 
 #: valid RIG ceilometer variables
 _ceilo_variables = [
diff --git a/aossceilo/tidy.py b/aossceilo/tidy.py
index 95035eb616d5404ae2dc2f82ee607443f90baab7..71d75af047ae51d794494db5c88eca5f0dffdad0 100644
--- a/aossceilo/tidy.py
+++ b/aossceilo/tidy.py
@@ -26,7 +26,7 @@ from subprocess import check_call as sh
 from datetime import datetime, timedelta
 from metobs.ceilo import quicklook, nc
 from metobs.ceilo import CONFIG as c
-from metobs.util import raw_manager
+from metobscommon.util import raw_manager
 rel = raw_manager.relativedir
 import re