diff --git a/multipledispatch/variadic.py b/multipledispatch/variadic.py
index 4aad9f2..3aa4850 100644
--- a/multipledispatch/variadic.py
+++ b/multipledispatch/variadic.py
@@ -1,5 +1,3 @@
-import six
-
 from .utils import typename
 
 
@@ -75,7 +73,7 @@ def __getitem__(self, variadic_type):
         )
 
 
-class Variadic(six.with_metaclass(VariadicSignatureMeta)):
+class Variadic(metaclass=VariadicSignatureMeta):
     """A class whose getitem method can be used to generate a new type
     representing a specific variadic signature.