diff --git a/.eslintrc.json b/.eslintrc.json
index fa8effad5..948b9ac8a 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -5,7 +5,6 @@
   },
   "rules": {
     "no-unused-vars": 0,
-    "no-undef": 0,
-    "no-fallthrough": 0
+    "no-undef": 0
   }
 }
diff --git a/examples/combobox/aria1.1pattern/js/grid-combobox.js b/examples/combobox/aria1.1pattern/js/grid-combobox.js
index 2a501fe13..01a6e59bd 100644
--- a/examples/combobox/aria1.1pattern/js/grid-combobox.js
+++ b/examples/combobox/aria1.1pattern/js/grid-combobox.js
@@ -66,6 +66,7 @@ aria.GridCombobox.prototype.checkKey = function (evt) {
         evt.preventDefault();
         return;
       }
+      // fall through
     default:
       this.updateResults();
   }