diff --git a/.eslintignore b/.eslintignore
index fbf44101c7..85490b0ad4 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -16,4 +16,7 @@ docs/_js/*.js
 docs/js/
 # This should be more like examples/**/thirdparty/** but
 # we should fix https://github.com/facebook/esprima/pull/85 first
-examples/
\ No newline at end of file
+examples/
+# Ignore built files.
+build/
+