diff --git a/package.json b/package.json
index c3cdc29..ef7e12e 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,6 @@
   },
   "dependencies": {
     "bulma-stylus": "0.8.0",
-    "clean-css": "^4.2.1",
     "hexo": "^4.0.0",
     "hexo-algolia": "^1.3.1",
     "hexo-component-inferno": "^0.1.3",