diff --git a/script/clean.py b/script/clean.py
index f15587ec8d29..669b6b4dd5f3 100755
--- a/script/clean.py
+++ b/script/clean.py
@@ -16,6 +16,7 @@ def main():
   rm_rf('out')
   rm_rf('spec/node_modules')
   rm_rf('vendor/brightray/vendor/download/libchromiumcontent')
+  rm_rf('vendor/brightray/vendor/libchromiumcontent/src')
   rm_rf(os.path.expanduser('~/.node-gyp'))