diff --git a/masque/traits/copyable.py b/masque/traits/copyable.py
index 91af84b..c652aff 100644
--- a/masque/traits/copyable.py
+++ b/masque/traits/copyable.py
@@ -1,9 +1,8 @@
 from typing import Self
-from abc import ABCMeta
 import copy
 
 
-class Copyable(metaclass=ABCMeta):
+class Copyable:
     """
     Trait class which adds .copy() and .deepcopy()
     """