diff --git a/package.json b/package.json
index 44da4515..a6562b9f 100644
--- a/package.json
+++ b/package.json
@@ -34,8 +34,7 @@
   },
   "dependencies": {
     "@types/prismjs": "~1.26.0",
-    "prismjs": "~1.29.0",
-    "prop-types": "~15.8.1"
+    "prismjs": "~1.29.0"
   },
   "devDependencies": {
     "@types/react": "^18.0.14",
diff --git a/src/index.tsx b/src/index.tsx
index 78f2c0d8..b644746f 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -1,5 +1,4 @@
 import React, { useEffect } from 'react';
-import PropTypes from 'prop-types';
 import Prism from 'prismjs';
 import './style/index.less';
 
@@ -13,7 +12,7 @@ export interface ReactPrismjsProps {
 
 export default function ReactPrismjs(props: ReactPrismjsProps = {}) {
   const codeRef = React.createRef<HTMLPreElement>();
-  const { prefixCls, className, language, source, children, ...others } = props;
+  const { prefixCls = 'w-prismjs', className, language, source, children, ...others } = props;
   const langCls = language ? `language-${language}` : '';
   async function highlight() {
     if (codeRef.current) {
@@ -32,14 +31,3 @@ export default function ReactPrismjs(props: ReactPrismjsProps = {}) {
       </pre>
   );
 }
-
-ReactPrismjs.defaultProps = {
-  prefixCls: 'w-prismjs',
-  code: '',
-};
-
-ReactPrismjs.propTypes = {
-  prefixCls: PropTypes.string,
-  language: PropTypes.string,
-  code: PropTypes.string,
-};