diff --git a/lint.whitelist b/lint.whitelist
index 65494c70cfbf44..f72f94a359cc53 100644
--- a/lint.whitelist
+++ b/lint.whitelist
@@ -322,6 +322,7 @@ SET TIMEOUT: acid/acid3/test.html
 *: css/tools/w3ctestlib/*
 *: resources/webidl2/*
 *: tools/*
+*: */third_party/*
 
 # Build system virtualenv
 *: css/tools/_virtualenv/*