diff --git a/lint/eslintrc-shell.json b/lint/eslintrc-shell.json
index d8a940bbb..1cae2f4e7 100644
--- a/lint/eslintrc-shell.json
+++ b/lint/eslintrc-shell.json
@@ -16,6 +16,13 @@
                 "afterColon": true
             }
         ],
+        "no-unused-vars": [
+            "error",
+            {
+                "argsIgnorePattern": "^_",
+                "varsIgnorePattern": "_$"
+            }
+        ],
         "object-curly-spacing": [
             "error",
             "always"