diff --git a/sqlalchemy_utils/types/color.py b/sqlalchemy_utils/types/color.py
index e8f35e8..5fb4791 100644
--- a/sqlalchemy_utils/types/color.py
+++ b/sqlalchemy_utils/types/color.py
@@ -17,7 +17,6 @@ class ColorType(types.TypeDecorator, ScalarCoercible):
     """
     STORE_FORMAT = u'hex'
     impl = types.Unicode(20)
-    python_type = colour.Color
 
     def __init__(self, max_length=20, *args, **kwargs):
         # Fail if colour is not found.
diff --git a/tests/types/test_color.py b/tests/types/test_color.py
index 7165222..59eb512 100644
--- a/tests/types/test_color.py
+++ b/tests/types/test_color.py
@@ -18,10 +18,6 @@ class TestColorType(TestCase):
 
         self.Document = Document
 
-    def test_python_type(self):
-        type_ = self.Document.__table__.c.bg_color.type
-        assert type_.python_type == color.colour.Color
-
     def test_color_parameter_processing(self):
         from colour import Color