diff --git a/package.json b/package.json
index 2f1a4bc4..7a6cee9b 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,6 @@
   },
   "devDependencies": {
     "@ant-design/pro-cli": "^2.0.2",
-    "@types/classnames": "^2.2.7",
     "@types/express": "^4.17.0",
     "@types/history": "^4.7.2",
     "@types/jest": "^26.0.0",