diff --git a/graphene/contrib/django/converter.py b/graphene/contrib/django/converter.py
index 5544f205..d8e5bb5f 100644
--- a/graphene/contrib/django/converter.py
+++ b/graphene/contrib/django/converter.py
@@ -59,7 +59,6 @@ def _(field, cls):
 @convert_django_field.register(models.ManyToManyField)
 @convert_django_field.register(models.ManyToOneRel)
 def _(field, cls):
-    schema = cls._meta.schema
     model_field = DjangoModelField(field.related_model)
     return ConnectionOrListField(model_field)