diff --git a/libcodonusage/libcodonusage.py b/libcodonusage/libcodonusage.py
index fc66f73632e4ab5633c636cf12963fbbd93e8762..d16d43addfb96f79b886555b796d30c726069446 100644
--- a/libcodonusage/libcodonusage.py
+++ b/libcodonusage/libcodonusage.py
@@ -14,12 +14,10 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 """Functions used in Jupyter notebooks."""
-from http.cookies import Morsel
 from itertools import combinations
 import json
 from operator import attrgetter, itemgetter
 from pathlib import Path
-from unittest import mock
 # python3 -m pip install cytoolz
 from cytoolz import concat, groupby, unique, valmap
 # To render mardown in a Jupyter notebook on gitlab