diff --git a/setup.py b/setup.py
index caea05b..1b2c748 100644
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,6 @@
     install_requires=[
         "alembic>=0.8.8",
         "rdflib>=6,<8",
-        "six>=1.10.0",
         "SQLAlchemy>=2.0.23",
     ],
     entry_points={
diff --git a/test/test_sqlalchemy.py b/test/test_sqlalchemy.py
index 7e62b9c..f6cdf27 100644
--- a/test/test_sqlalchemy.py
+++ b/test/test_sqlalchemy.py
@@ -1,11 +1,5 @@
 import unittest
-
-try:
-    from unittest.mock import patch, MagicMock
-except ImportError:
-    from mock import patch, MagicMock
-
-import six
+from unittest.mock import patch, MagicMock
 
 from rdflib import (
     ConjunctiveGraph,
@@ -48,7 +42,7 @@ def test_success(self):
 
     def test_no_url(self):
         with patch('rdflib_sqlalchemy.store.sqlalchemy'):
-            with six.assertRaisesRegex(self, Exception, '.*url.*'):
+            with self.assertRaisesRegex(Exception, '.*url.*'):
                 self.graph.open({'random_key': 'something'}, create=True)