diff --git a/unittest/force-styles/tests/py_nve.py b/unittest/force-styles/tests/py_nve.py
index 4740c85597..1f05be04a8 100644
--- a/unittest/force-styles/tests/py_nve.py
+++ b/unittest/force-styles/tests/py_nve.py
@@ -1,5 +1,5 @@
 from __future__ import print_function
-from lammps import lammps, LAMMPS_INT, LAMMPS_DOUBLE
+from lammps import lammps
 
 class LAMMPSFix(object):
     def __init__(self, ptr, group_name="all"):