diff --git a/openmdao/core/tests/test_dyn_sizing.py b/openmdao/core/tests/test_dyn_sizing.py
index 87b3b99622..2226297d60 100644
--- a/openmdao/core/tests/test_dyn_sizing.py
+++ b/openmdao/core/tests/test_dyn_sizing.py
@@ -1,4 +1,3 @@
-from mpi4py import MPI
 import unittest
 import numpy as np
 import openmdao.api as om