diff --git a/tests/unit/v1/test_async_collection.py b/tests/unit/v1/test_async_collection.py
index e40a3d92d..2352e5739 100644
--- a/tests/unit/v1/test_async_collection.py
+++ b/tests/unit/v1/test_async_collection.py
@@ -17,7 +17,6 @@
 import aiounittest
 
 import mock
-import six
 
 
 class MockAsyncIter:
@@ -46,7 +45,7 @@ def _get_public_methods(klass):
             *(
                 (
                     name
-                    for name, value in six.iteritems(class_.__dict__)
+                    for name, value in class_.__dict__.items()
                     if (
                         not name.startswith("_")
                         and isinstance(value, types.FunctionType)