diff --git a/packages/babel-helper-validator-identifier/src/identifier.ts b/packages/babel-helper-validator-identifier/src/identifier.ts
index 0a25c7a9..6e0f9a57 100644
--- a/packages/babel-helper-validator-identifier/src/identifier.ts
+++ b/packages/babel-helper-validator-identifier/src/identifier.ts
@@ -1,3 +1,4 @@
+// @ts-ignore
 import * as charCodes from "charcodes";
 
 // ## Character categories