diff --git a/tests/regression_tests/dagmc/legacy/test.py b/tests/regression_tests/dagmc/legacy/test.py
index 502775148..36da44808 100644
--- a/tests/regression_tests/dagmc/legacy/test.py
+++ b/tests/regression_tests/dagmc/legacy/test.py
@@ -26,8 +26,6 @@ def model():
 
     model.settings.source = source
 
-    model.settings.dagmc = True
-
     # geometry
     dag_univ = openmc.DAGMCUniverse(Path("dagmc.h5m"))
     model.geometry = openmc.Geometry(dag_univ)
diff --git a/tests/regression_tests/dagmc/refl/test.py b/tests/regression_tests/dagmc/refl/test.py
index 3fe41345c..5afc1a7a2 100644
--- a/tests/regression_tests/dagmc/refl/test.py
+++ b/tests/regression_tests/dagmc/refl/test.py
@@ -23,8 +23,6 @@ class UWUWTest(PyAPITestHarness):
                                          [ 4,  4,  4]))
         model.settings.source = source
 
-        model.settings.dagmc = True
-
         model.settings.export_to_xml()
 
         # geometry
diff --git a/tests/regression_tests/dagmc/uwuw/test.py b/tests/regression_tests/dagmc/uwuw/test.py
index 5c9777d48..a8da2da60 100644
--- a/tests/regression_tests/dagmc/uwuw/test.py
+++ b/tests/regression_tests/dagmc/uwuw/test.py
@@ -23,8 +23,6 @@ class UWUWTest(PyAPITestHarness):
                                          [ 4,  4,  4]))
         model.settings.source = source
 
-        model.settings.dagmc = True
-
         model.settings.export_to_xml()
 
         # geometry