diff --git a/tests/test_utils_deprecate.py b/tests/test_utils_deprecate.py
index a88b5e008..c5425d99d 100644
--- a/tests/test_utils_deprecate.py
+++ b/tests/test_utils_deprecate.py
@@ -169,17 +169,12 @@ class TestWarnWhenSubclassed:
             class UnrelatedClass:
                 pass
 
-            class OldStyleClass:
-                pass
-
         assert issubclass(UpdatedUserClass1, NewName)
         assert issubclass(UpdatedUserClass1a, NewName)
         assert issubclass(UpdatedUserClass1, DeprecatedName)
         assert issubclass(UpdatedUserClass1a, DeprecatedName)
         assert issubclass(OutdatedUserClass1, DeprecatedName)
         assert not issubclass(UnrelatedClass, DeprecatedName)
-        assert not issubclass(OldStyleClass, DeprecatedName)
-        assert not issubclass(OldStyleClass, DeprecatedName)
         assert not issubclass(OutdatedUserClass1, OutdatedUserClass1a)
         assert not issubclass(OutdatedUserClass1a, OutdatedUserClass1)
 
@@ -206,9 +201,6 @@ class TestWarnWhenSubclassed:
             class UnrelatedClass:
                 pass
 
-            class OldStyleClass:
-                pass
-
         assert isinstance(UpdatedUserClass2(), NewName)
         assert isinstance(UpdatedUserClass2a(), NewName)
         assert isinstance(UpdatedUserClass2(), DeprecatedName)
@@ -218,7 +210,6 @@ class TestWarnWhenSubclassed:
         assert not isinstance(OutdatedUserClass2a(), OutdatedUserClass2)
         assert not isinstance(OutdatedUserClass2(), OutdatedUserClass2a)
         assert not isinstance(UnrelatedClass(), DeprecatedName)
-        assert not isinstance(OldStyleClass(), DeprecatedName)
 
     def test_clsdict(self):
         with warnings.catch_warnings():