Resolve #2066

package.json

@@ -101,7 +101,6 @@
 		"dompurify": "1.0.5",
 		"double-ended-queue": "2.1.0-0",
 		"elasticsearch": "15.1.1",
-		"element-ui": "2.4.6",
 		"emojilib": "2.3.0",
 		"escape-regexp": "0.0.1",
 		"eslint": "5.0.1",
@@ -132,7 +131,6 @@
 		"insert-text-at-cursor": "0.1.1",
 		"is-root": "2.0.0",
 		"is-url": "1.2.4",
-		"jquery": "3.3.1",
 		"js-yaml": "3.12.0",
 		"jsdom": "11.12.0",
 		"koa": "2.5.1",
@@ -160,8 +158,6 @@
 		"ms": "2.1.1",
 		"nan": "2.11.0",
 		"nested-property": "0.0.7",
-		"node-sass": "4.9.3",
-		"node-sass-json-importer": "4.0.1",
 		"nprogress": "0.2.0",
 		"object-assign-deep": "0.4.0",
 		"on-build-webpack": "0.1.0",