diff --git a/Lib/enum.py b/Lib/enum.py
index 4e231e7e8ea779..b8ea7af9e74775 100644
--- a/Lib/enum.py
+++ b/Lib/enum.py
@@ -987,8 +987,6 @@ def _find_data_type_(mcls, class_name, bases):
                         data_types.add(base._member_type_)
                         break
                 elif '__new__' in base.__dict__ or '__init__' in base.__dict__:
-                    if isinstance(base, EnumType):
-                        continue
                     data_types.add(candidate or base)
                     break
                 else: