diff --git a/frontend/package.json b/frontend/package.json
index c42f945220..7ec9fde18a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -22,11 +22,9 @@
     "@tinymce/tinymce-vue": "^3.2.8",
     "axios": "^0.21.1",
     "core-js": "^2.6.5",
-    "css-color-function": "^1.3.3",
     "echarts": "^5.0.1",
     "element-resize-detector": "^1.2.3",
     "element-ui": "2.15.7",
-    "file-save": "^0.2.0",
     "file-saver": "^2.0.5",
     "fit2cloud-ui": "^1.8.0",
     "flv.js": "^1.6.2",
@@ -54,7 +52,6 @@
     "tinymce": "^5.8.2",
     "umy-ui": "^1.1.6",
     "vcolorpicker": "^1.1.0",
-    "videojs-flash": "^2.2.1",
     "vue": "2.6.10",
     "vue-axios": "3.2.4",
     "vue-clipboard2": "0.3.1",
@@ -90,8 +87,6 @@
     "eslint": "5.15.3",
     "eslint-plugin-vue": "5.2.2",
     "html-webpack-plugin": "3.2.0",
-    "less": "^3.0.0",
-    "less-loader": "^5.0.0",
     "mockjs": "1.0.1-beta3",
     "runjs": "^4.1.3",
     "sass": "^1.33.0",