diff --git a/openmc_dagmc_wrapper/Materials.py b/openmc_dagmc_wrapper/Materials.py
index 01e970a..d492f40 100644
--- a/openmc_dagmc_wrapper/Materials.py
+++ b/openmc_dagmc_wrapper/Materials.py
@@ -1,5 +1,4 @@
 import dagmc_h5m_file_inspector as di
-import neutronics_material_maker as nmm
 import openmc
 
 from .utils import silently_remove_file, create_material
diff --git a/openmc_dagmc_wrapper/utils.py b/openmc_dagmc_wrapper/utils.py
index 0b47745..e7978ca 100644
--- a/openmc_dagmc_wrapper/utils.py
+++ b/openmc_dagmc_wrapper/utils.py
@@ -1,17 +1,5 @@
-from pathlib import Path
-import json
-import math
 import os
-import subprocess
-from collections import defaultdict
-from typing import List, Optional, Tuple, Union
-from xml.etree.ElementTree import SubElement
-
-import defusedxml.ElementTree as ET
-import matplotlib.pyplot as plt
-import numpy as np
 import openmc
-import plotly.graph_objects as go
 
 import neutronics_material_maker as nmm
 import dagmc_h5m_file_inspector as di
diff --git a/tests/test_neutronics_utils.py b/tests/test_neutronics_utils.py
index aac1547..8ffe909 100644
--- a/tests/test_neutronics_utils.py
+++ b/tests/test_neutronics_utils.py
@@ -4,11 +4,9 @@
 import urllib.request
 from pathlib import Path
 
-import openmc
 import openmc_dagmc_wrapper as odw
 
 import neutronics_material_maker as nmm
-import pytest
 
 
 class TestNeutronicsUtilityFunctions(unittest.TestCase):
diff --git a/tests/test_tallies/test_cell_tallies.py b/tests/test_tallies/test_cell_tallies.py
index 6639b05..ed95143 100644
--- a/tests/test_tallies/test_cell_tallies.py
+++ b/tests/test_tallies/test_cell_tallies.py
@@ -3,7 +3,6 @@
 import urllib.request
 from pathlib import Path
 
-import openmc
 import openmc_dagmc_wrapper as odw
 
 
diff --git a/tests/test_tallies/test_tet_mesh_tallies.py b/tests/test_tallies/test_tet_mesh_tallies.py
index e5644b5..c3f97d4 100644
--- a/tests/test_tallies/test_tet_mesh_tallies.py
+++ b/tests/test_tallies/test_tet_mesh_tallies.py
@@ -1,7 +1,6 @@
 import unittest
 
 
-import openmc
 import openmc_dagmc_wrapper as odw