diff --git a/extension/.babelrc b/extension/.babelrc
index bbb465e2..72aeeb79 100644
--- a/extension/.babelrc
+++ b/extension/.babelrc
@@ -4,8 +4,5 @@
     "@babel/preset-react",
     "@babel/preset-typescript"
   ],
-  "plugins": [
-    ["@babel/plugin-proposal-decorators", { "legacy": true }],
-    ["@babel/plugin-proposal-class-properties", { "loose": true }]
-  ]
+  "plugins": [["@babel/plugin-proposal-class-properties"]]
 }