diff --git a/babel.config.js b/babel.config.js
index 630f94e..ac41528 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -5,7 +5,6 @@ module.exports = {
     ['@babel/preset-env', {modules: esm ? false : undefined}],
   ],
   plugins: [
-    '@babel/plugin-proposal-class-properties',
     '@babel/plugin-transform-react-jsx',
     ['@babel/plugin-transform-runtime', {useESModules: esm}],
   ],
diff --git a/package.json b/package.json
index 695a41a..8c5d231 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,6 @@
     "@babel/cli": "^7.4.4",
     "@babel/core": "^7.4.5",
     "@babel/node": "^7.4.5",
-    "@babel/plugin-proposal-class-properties": "^7.4.4",
     "@babel/plugin-transform-react-jsx": "^7.3.0",
     "@babel/plugin-transform-runtime": "^7.4.4",
     "@babel/preset-env": "^7.4.5",