diff --git a/package.json b/package.json
index 477a740..156a84a 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,6 @@
     "axios": "^1.1.3",
     "clipboard": "^2.0.11",
     "core-js": "^3.8.3",
-    "cssnano": "^5.1.14",
     "element-ui": "^2.15.10",
     "postcss-aspect-ratio-mini": "^1.1.0",
     "postcss-cssnext": "^3.1.1",