diff --git a/tests/test_asymmetric_lattice/test_asymmetric_lattice.py b/tests/test_asymmetric_lattice/test_asymmetric_lattice.py
index 03e55d32f9..504cc4746b 100644
--- a/tests/test_asymmetric_lattice/test_asymmetric_lattice.py
+++ b/tests/test_asymmetric_lattice/test_asymmetric_lattice.py
@@ -82,11 +82,6 @@ class AsymmetricLatticeTestHarness(PyAPITestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))[0]
         sp = openmc.StatePoint(statepoint)
 
-        # Read the summary file
-        summary = glob.glob(os.path.join(os.getcwd(), 'summary.h5'))[0]
-        su = openmc.Summary(summary)
-        sp.link_with_summary(su)
-
         # Extract the tally of interest
         tally = sp.get_tally(name='distribcell tally')
 
@@ -96,8 +91,8 @@ class AsymmetricLatticeTestHarness(PyAPITestHarness):
         outstr += ', '.join(map(str, tally.std_dev.flatten())) + '\n'
 
         # Extract fuel assembly lattices from the summary
-        core = su.get_cell_by_id(1)
-        fuel = su.get_cell_by_id(80)
+        core = sp.summary.get_cell_by_id(1)
+        fuel = sp.summary.get_cell_by_id(80)
         fuel = fuel.fill
         core = core.fill
 
diff --git a/tests/test_mgxs_library_condense/test_mgxs_library_condense.py b/tests/test_mgxs_library_condense/test_mgxs_library_condense.py
index 97bb853b62..3ca98904fb 100644
--- a/tests/test_mgxs_library_condense/test_mgxs_library_condense.py
+++ b/tests/test_mgxs_library_condense/test_mgxs_library_condense.py
@@ -43,11 +43,6 @@ class MGXSTestHarness(PyAPITestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))[0]
         sp = openmc.StatePoint(statepoint)
 
-        # Read the summary file.
-        summary = glob.glob(os.path.join(os.getcwd(), 'summary.h5'))[0]
-        su = openmc.Summary(summary)
-        sp.link_with_summary(su)
-
         # Load the MGXS library from the statepoint
         self.mgxs_lib.load_from_statepoint(sp)
 
diff --git a/tests/test_mgxs_library_distribcell/test_mgxs_library_distribcell.py b/tests/test_mgxs_library_distribcell/test_mgxs_library_distribcell.py
index 6812661860..d488e8ec97 100644
--- a/tests/test_mgxs_library_distribcell/test_mgxs_library_distribcell.py
+++ b/tests/test_mgxs_library_distribcell/test_mgxs_library_distribcell.py
@@ -46,11 +46,6 @@ class MGXSTestHarness(PyAPITestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))[0]
         sp = openmc.StatePoint(statepoint)
 
-        # Read the summary file.
-        summary = glob.glob(os.path.join(os.getcwd(), 'summary.h5'))[0]
-        su = openmc.Summary(summary)
-        sp.link_with_summary(su)
-
         # Load the MGXS library from the statepoint
         self.mgxs_lib.load_from_statepoint(sp)
 
diff --git a/tests/test_mgxs_library_hdf5/test_mgxs_library_hdf5.py b/tests/test_mgxs_library_hdf5/test_mgxs_library_hdf5.py
index 30be46b4cc..91bb036e34 100644
--- a/tests/test_mgxs_library_hdf5/test_mgxs_library_hdf5.py
+++ b/tests/test_mgxs_library_hdf5/test_mgxs_library_hdf5.py
@@ -44,11 +44,6 @@ class MGXSTestHarness(PyAPITestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))[0]
         sp = openmc.StatePoint(statepoint)
 
-        # Read the summary file.
-        summary = glob.glob(os.path.join(os.getcwd(), 'summary.h5'))[0]
-        su = openmc.Summary(summary)
-        sp.link_with_summary(su)
-
         # Load the MGXS library from the statepoint
         self.mgxs_lib.load_from_statepoint(sp)
 
diff --git a/tests/test_mgxs_library_no_nuclides/test_mgxs_library_no_nuclides.py b/tests/test_mgxs_library_no_nuclides/test_mgxs_library_no_nuclides.py
index 381b5b87c2..15f90cb872 100644
--- a/tests/test_mgxs_library_no_nuclides/test_mgxs_library_no_nuclides.py
+++ b/tests/test_mgxs_library_no_nuclides/test_mgxs_library_no_nuclides.py
@@ -43,11 +43,6 @@ class MGXSTestHarness(PyAPITestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))[0]
         sp = openmc.StatePoint(statepoint)
 
-        # Read the summary file.
-        summary = glob.glob(os.path.join(os.getcwd(), 'summary.h5'))[0]
-        su = openmc.Summary(summary)
-        sp.link_with_summary(su)
-
         # Load the MGXS library from the statepoint
         self.mgxs_lib.load_from_statepoint(sp)
 
diff --git a/tests/test_mgxs_library_nuclides/test_mgxs_library_nuclides.py b/tests/test_mgxs_library_nuclides/test_mgxs_library_nuclides.py
index c3e4f5f770..113f2aa413 100644
--- a/tests/test_mgxs_library_nuclides/test_mgxs_library_nuclides.py
+++ b/tests/test_mgxs_library_nuclides/test_mgxs_library_nuclides.py
@@ -43,11 +43,6 @@ class MGXSTestHarness(PyAPITestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))[0]
         sp = openmc.StatePoint(statepoint)
 
-        # Read the summary file.
-        summary = glob.glob(os.path.join(os.getcwd(), 'summary.h5'))[0]
-        su = openmc.Summary(summary)
-        sp.link_with_summary(su)
-
         # Load the MGXS library from the statepoint
         self.mgxs_lib.load_from_statepoint(sp)
 
diff --git a/tests/test_tally_aggregation/test_tally_aggregation.py b/tests/test_tally_aggregation/test_tally_aggregation.py
index 359afbe347..fdc086e682 100644
--- a/tests/test_tally_aggregation/test_tally_aggregation.py
+++ b/tests/test_tally_aggregation/test_tally_aggregation.py
@@ -43,11 +43,6 @@ class TallyAggregationTestHarness(PyAPITestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))[0]
         sp = openmc.StatePoint(statepoint)
 
-        # Read the summary file.
-        summary = glob.glob(os.path.join(os.getcwd(), 'summary.h5'))[0]
-        su = openmc.Summary(summary)
-        sp.link_with_summary(su)
-
         # Extract the tally of interest
         tally = sp.get_tally(name='distribcell tally')
 
diff --git a/tests/test_tally_arithmetic/test_tally_arithmetic.py b/tests/test_tally_arithmetic/test_tally_arithmetic.py
index 8e2d2b3491..a5919909f3 100644
--- a/tests/test_tally_arithmetic/test_tally_arithmetic.py
+++ b/tests/test_tally_arithmetic/test_tally_arithmetic.py
@@ -62,11 +62,6 @@ class TallyArithmeticTestHarness(PyAPITestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))[0]
         sp = openmc.StatePoint(statepoint)
 
-        # Read the summary file.
-        summary = glob.glob(os.path.join(os.getcwd(), 'summary.h5'))[0]
-        su = openmc.Summary(summary)
-        sp.link_with_summary(su)
-
         # Load the tallies
         tally_1 = sp.get_tally(name='tally 1')
         tally_2 = sp.get_tally(name='tally 2')
diff --git a/tests/test_tally_slice_merge/test_tally_slice_merge.py b/tests/test_tally_slice_merge/test_tally_slice_merge.py
index 85dd532c61..4dbb993d59 100644
--- a/tests/test_tally_slice_merge/test_tally_slice_merge.py
+++ b/tests/test_tally_slice_merge/test_tally_slice_merge.py
@@ -83,11 +83,6 @@ class TallySliceMergeTestHarness(PyAPITestHarness):
         statepoint = glob.glob(os.path.join(os.getcwd(), self._sp_name))[0]
         sp = openmc.StatePoint(statepoint)
 
-        # Read the summary file.
-        summary = glob.glob(os.path.join(os.getcwd(), 'summary.h5'))[0]
-        su = openmc.Summary(summary)
-        sp.link_with_summary(su)
-
         # Extract the cell tally
         tallies = [sp.get_tally(name='cell tally')]