diff --git a/packages/babel-helper-builder-binary-assignment-operator-visitor/src/index.js b/packages/babel-helper-builder-binary-assignment-operator-visitor/src/index.js
index 810451fc62..2b15d19ed0 100644
--- a/packages/babel-helper-builder-binary-assignment-operator-visitor/src/index.js
+++ b/packages/babel-helper-builder-binary-assignment-operator-visitor/src/index.js
@@ -1,4 +1,4 @@
-/* @flow */
+/* @noflow */
 
 import explode from "babel-helper-explode-assignable-expression";
 import * as t from "babel-types";