diff --git a/babel.config.js b/babel.config.js
index ffb36ab..55645f9 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -28,8 +28,6 @@
   const envOptions = {
     // Transform module syntax if necessary.
     modules: CJS ? 'commonjs' : false,
-    // Enable transformations for shipped proposals.
-    shippedProposals: true,
     // Set target environment to default browsers.
     targets: 'defaults',
   };