diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index ad798f75f..afc49c0a3 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -16,7 +16,6 @@
     "@types/jquery": "^3.5.8",
     "@types/json-schema": "^7.0.9",
     "@types/katex": "^0.11.1",
-    "@types/sharedworker": "^0.0.58",
     "@types/sockjs-client": "^1.5.1",
     "@undefined-moe/monaco-yaml": "^2.5.0",
     "ansi_up": "^5.0.1",
@@ -38,7 +37,6 @@
     "eslint-plugin-import": "^2.25.2",
     "eslint-plugin-jsx-a11y": "^6.4.1",
     "eslint-plugin-react": "^7.26.1",
-    "fallback-worker": "^0.1.0",
     "fancy-log": "^1.3.3",
     "file-loader": "^6.2.0",
     "friendly-errors-webpack-plugin": "^1.7.0",