diff --git a/tools/.eslintrc.yaml b/tools/.eslintrc.yaml
new file mode 100644
index 00000000000000..f8b7cc4e41a747
--- /dev/null
+++ b/tools/.eslintrc.yaml
@@ -0,0 +1,4 @@
+rules:
+  # Variables
+  # http://eslint.org/docs/rules/#variables
+  no-unused-vars: [error, { args: 'after-used' }]