cleanup

Author: KaiyueGuan

lib/index.js

@@ -6,7 +6,7 @@ const { mergeTypeDefs } = require('@graphql-tools/merge');
 const { addMocksToSchema } = require('@graphql-tools/mock');
 const { makeExecutableSchema } = require('@graphql-tools/schema');
 const { delegateToSchema } = require('@graphql-tools/delegate');
-const { pruneSchema, SchemaDirectiveVisitor } = require('@graphql-tools/utils');
+const { pruneSchema } = require('@graphql-tools/utils');
 
 const { bindResolvers } = require('./resolvers');
 const { wrapContext, createContext } = require('./context');