diff --git a/tests/lib/test_constructor.py b/tests/lib/test_constructor.py
index a337fb47..aac4bc18 100644
--- a/tests/lib/test_constructor.py
+++ b/tests/lib/test_constructor.py
@@ -237,9 +237,6 @@ def tzname(self, dt):
         def dst(self, dt):
             return datetime.timedelta(0)
 
-    class MyTime(yaml.YAMLObject):
-        pass
-
     today = datetime.date.today()
 
 def _load_code(expression):
diff --git a/tests/lib3/test_constructor.py b/tests/lib3/test_constructor.py
index 63f6eeec..6988aa7d 100644
--- a/tests/lib3/test_constructor.py
+++ b/tests/lib3/test_constructor.py
@@ -223,9 +223,6 @@ def tzname(self, dt):
         def dst(self, dt):
             return datetime.timedelta(0)
 
-    class MyTime(yaml.YAMLObject):
-        pass
-
     today = datetime.date.today()
 
 def _load_code(expression):