diff --git a/packages/kbn-ui-shared-deps-npm/webpack.config.js b/packages/kbn-ui-shared-deps-npm/webpack.config.js
index efb0c3f8579f7..197ec5e63ad7c 100644
--- a/packages/kbn-ui-shared-deps-npm/webpack.config.js
+++ b/packages/kbn-ui-shared-deps-npm/webpack.config.js
@@ -48,7 +48,6 @@ module.exports = (_, argv) => {
         '@babel/runtime/helpers/assertThisInitialized',
         '@babel/runtime/helpers/classCallCheck',
         '@babel/runtime/helpers/classPrivateFieldGet',
-        '@babel/runtime/helpers/classPrivateFieldInitSpec',
         '@babel/runtime/helpers/classPrivateFieldSet',
         '@babel/runtime/helpers/createSuper',
         '@babel/runtime/helpers/defineProperty',