diff --git a/tests/cleanup b/tests/cleanup
index 7b81d2d9d..3369c797e 100755
--- a/tests/cleanup
+++ b/tests/cleanup
@@ -5,6 +5,6 @@
 # folders. This can occur if a previous error
 # occurred and the test suite was rerun without
 # deleting left over binary files. This will
-# cause an assertion error in some of the 
+# cause an assertion error in some of the
 # tests.
-find . \( -name "*.binary" -o -name "*.h5" -o -name "*.ppm" \) -exec rm -f {} \;
+find . \( -name "*.h5" -o -name "*.ppm" \) -exec rm -f {} \;
diff --git a/tests/test_filter_distribcell/test_filter_distribcell.py b/tests/test_filter_distribcell/test_filter_distribcell.py
index 492f03dae..8370e40e7 100644
--- a/tests/test_filter_distribcell/test_filter_distribcell.py
+++ b/tests/test_filter_distribcell/test_filter_distribcell.py
@@ -67,9 +67,8 @@ class DistribcellTestHarness(TestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))
         assert len(statepoint) == 1, 'Either multiple or no statepoint files ' \
              'exist.'
-        assert statepoint[0].endswith('binary') \
-             or statepoint[0].endswith('h5'), \
-             'Statepoint file is not a binary or hdf5 file.'
+        assert statepoint[0].endswith('h5'), \
+             'Statepoint file is not a HDF5 file.'
         if tallies_out_present:
             assert os.path.exists(os.path.join(os.getcwd(), 'tallies.out')), \
                  'Tally output file does not exist.'
diff --git a/tests/test_output/test_output.py b/tests/test_output/test_output.py
index 1f51742ba..0225d9fed 100644
--- a/tests/test_output/test_output.py
+++ b/tests/test_output/test_output.py
@@ -14,8 +14,8 @@ class OutputTestHarness(TestHarness):
         # Check for the summary.
         summary = glob.glob(os.path.join(os.getcwd(), 'summary.*'))
         assert len(summary) == 1, 'Either multiple or no summary file exists.'
-        assert summary[0].endswith('out') or summary[0].endswith('h5'),\
-            'Summary file is not a binary or hdf5 file.'
+        assert summary[0].endswith('h5'),\
+            'Summary file is not a HDF5 file.'
 
         # Check for the cross sections.
         assert os.path.exists(os.path.join(os.getcwd(), 'cross_sections.out')),\
diff --git a/tests/test_source_file/test_source_file.py b/tests/test_source_file/test_source_file.py
index d9aaa9a0f..d7ed8b80a 100644
--- a/tests/test_source_file/test_source_file.py
+++ b/tests/test_source_file/test_source_file.py
@@ -66,15 +66,13 @@ class SourceFileTestHarness(TestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))
         assert len(statepoint) == 1, 'Either multiple or no statepoint files ' \
              'exist.'
-        assert statepoint[0].endswith('binary') \
-             or statepoint[0].endswith('h5'), \
-             'Statepoint file is not a binary or hdf5 file.'
+        assert statepoint[0].endswith('h5'), \
+             'Statepoint file is not a HDF5 file.'
 
         source = glob.glob(os.path.join(os.getcwd(), 'source.10.*'))
         assert len(source) == 1, 'Either multiple or no source files exist.'
-        assert source[0].endswith('binary') \
-             or source[0].endswith('h5'), \
-             'Source file is not a binary or hdf5 file.'
+        assert source[0].endswith('h5'), \
+             'Source file is not a HDF5 file.'
 
     def _run_openmc_restart(self):
         # Get the name of the source file.
diff --git a/tests/test_sourcepoint_batch/test_sourcepoint_batch.py b/tests/test_sourcepoint_batch/test_sourcepoint_batch.py
index 8cafb4108..a90223659 100644
--- a/tests/test_sourcepoint_batch/test_sourcepoint_batch.py
+++ b/tests/test_sourcepoint_batch/test_sourcepoint_batch.py
@@ -9,10 +9,9 @@ class SourcepointTestHarness(TestHarness):
     def _test_output_created(self):
         """Make sure statepoint.* files have been created."""
         statepoint = glob.glob(os.path.join(os.getcwd(), 'statepoint.*'))
-        assert len(statepoint) == 5, '5 statepoint files must exist.' 
-        assert statepoint[0].endswith('binary') \
-             or statepoint[0].endswith('h5'), \
-             'Statepoint file is not a binary or hdf5 file.'
+        assert len(statepoint) == 5, '5 statepoint files must exist.'
+        assert statepoint[0].endswith('h5'), \
+             'Statepoint file is not a HDF5 file.'
 
     def _get_results(self):
         """Digest info in the statepoint and return as a string."""
diff --git a/tests/test_sourcepoint_interval/test_sourcepoint_interval.py b/tests/test_sourcepoint_interval/test_sourcepoint_interval.py
index 8cafb4108..a90223659 100644
--- a/tests/test_sourcepoint_interval/test_sourcepoint_interval.py
+++ b/tests/test_sourcepoint_interval/test_sourcepoint_interval.py
@@ -9,10 +9,9 @@ class SourcepointTestHarness(TestHarness):
     def _test_output_created(self):
         """Make sure statepoint.* files have been created."""
         statepoint = glob.glob(os.path.join(os.getcwd(), 'statepoint.*'))
-        assert len(statepoint) == 5, '5 statepoint files must exist.' 
-        assert statepoint[0].endswith('binary') \
-             or statepoint[0].endswith('h5'), \
-             'Statepoint file is not a binary or hdf5 file.'
+        assert len(statepoint) == 5, '5 statepoint files must exist.'
+        assert statepoint[0].endswith('h5'), \
+             'Statepoint file is not a HDF5 file.'
 
     def _get_results(self):
         """Digest info in the statepoint and return as a string."""
diff --git a/tests/test_sourcepoint_latest/test_sourcepoint_latest.py b/tests/test_sourcepoint_latest/test_sourcepoint_latest.py
index 5ae398462..8c04641b7 100644
--- a/tests/test_sourcepoint_latest/test_sourcepoint_latest.py
+++ b/tests/test_sourcepoint_latest/test_sourcepoint_latest.py
@@ -12,9 +12,8 @@ class SourcepointTestHarness(TestHarness):
         source = glob.glob(os.path.join(os.getcwd(), 'source.*'))
         assert len(source) == 1, 'Either multiple or no source files ' \
              'exist.'
-        assert source[0].endswith('binary') \
-             or source[0].endswith('h5'), \
-             'Source file is not a binary or hdf5 file.'
+        assert source[0].endswith('h5'), \
+             'Source file is not a HDF5 file.'
 
 
 if __name__ == '__main__':
diff --git a/tests/test_statepoint_sourcesep/test_statepoint_sourcesep.py b/tests/test_statepoint_sourcesep/test_statepoint_sourcesep.py
index 861a04f18..acbb0180b 100644
--- a/tests/test_statepoint_sourcesep/test_statepoint_sourcesep.py
+++ b/tests/test_statepoint_sourcesep/test_statepoint_sourcesep.py
@@ -12,9 +12,8 @@ class SourcepointTestHarness(TestHarness):
         source = glob.glob(os.path.join(os.getcwd(), 'source.*'))
         assert len(source) == 1, 'Either multiple or no source files ' \
              'exist.'
-        assert source[0].endswith('binary') \
-             or source[0].endswith('h5'), \
-             'Source file is not a binary or hdf5 file.'
+        assert source[0].endswith('h5'), \
+             'Source file is not a HDF5 file.'
 
 
 if __name__ == '__main__':
diff --git a/tests/test_track_output/test_track_output.py b/tests/test_track_output/test_track_output.py
index 31d29b742..1192d1b3a 100644
--- a/tests/test_track_output/test_track_output.py
+++ b/tests/test_track_output/test_track_output.py
@@ -16,8 +16,8 @@ class TrackTestHarness(TestHarness):
         outputs.append(glob.glob(''.join((os.getcwd(), '/track_1_1_2.*'))))
         for files in outputs:
             assert len(files) == 1, 'Multiple or no track files detected.'
-            assert files[0].endswith('binary') or files[0].endswith('h5'),\
-            'Track files are not binary or hdf5 files'
+            assert files[0].endswith('h5'),\
+                'Track files are not HDF5 files'
 
     def _get_results(self):
         """Digest info in the statepoint and return as a string."""