diff --git a/django/contrib/gis/db/models/__init__.py b/django/contrib/gis/db/models/__init__.py
index 47a326446b..87e2b683a1 100644
--- a/django/contrib/gis/db/models/__init__.py
+++ b/django/contrib/gis/db/models/__init__.py
@@ -12,6 +12,3 @@ from django.contrib.gis.db.models.fields import \
      GeometryField, PointField, LineStringField, PolygonField, \
      MultiPointField, MultiLineStringField, MultiPolygonField, \
      GeometryCollectionField
-
-# The geographic mixin class.
-from mixin import GeoMixin