diff --git a/tests/test_metamodel.py b/tests/test_metamodel.py
index 311c768f..f3393ade 100644
--- a/tests/test_metamodel.py
+++ b/tests/test_metamodel.py
@@ -75,12 +75,6 @@ def test_group_controlled(self):
         self.assertIn(self.infected, t1.controllers)
         self.assertIn(self.asymptomatic, t1.controllers)
 
-    def test_grouped_natural_conversion(self):
-        """Test grouped natural conversions."""
-        template = GroupedNaturalConversion(subjects=[self.exposed], outcomes=[self.infected])
-        self.assertEqual([self.infected], template.outcomes)
-        self.assertEqual([self.exposed], template.subjects)
-        
     def test_natural_degradation(self):
         t = NaturalDegradation(subject=self.infected)
         self.assertEqual(self.infected, t.subject)