diff --git a/__tests__/index.js b/__tests__/index.js
index 4be4ae1..4f2b061 100644
--- a/__tests__/index.js
+++ b/__tests__/index.js
@@ -1,6 +1,3 @@
-import 'core-js/stable';
-import 'regenerator-runtime/runtime';
-
 import React from 'react';
 import ColorPicker from '..';
 import {render} from '@testing-library/react';
diff --git a/package.json b/package.json
index ae40e69..a4f5bc3 100644
--- a/package.json
+++ b/package.json
@@ -22,8 +22,6 @@
   },
   "devDependencies": {
     "@miaoxing/dev": "^6.4.0",
-    "core-js": "^3.6.5",
-    "regenerator-runtime": "^0.13.5",
     "@testing-library/react": "^11.2.6"
   },
   "ciDependencies": {