diff --git a/graphene/types/schema.py b/graphene/types/schema.py
index 79341d83..0c6d4183 100644
--- a/graphene/types/schema.py
+++ b/graphene/types/schema.py
@@ -27,7 +27,6 @@ from graphql import (
     GraphQLSchema,
     GraphQLString,
 )
-from graphql.execution.values import get_argument_values
 
 from ..utils.str_converters import to_camel_case
 from ..utils.get_unbound_function import get_unbound_function