diff --git a/lib/utils/boot.js b/lib/utils/boot.js
index 8553f14e8f..511b3c5219 100644
--- a/lib/utils/boot.js
+++ b/lib/utils/boot.js
@@ -8,4 +8,4 @@ Code distributed by Google as part of the polymer project is also
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 */
 
-window.JSCompiler_renameProperty = function(prop, obj) { return prop; }
+window.JSCompiler_renameProperty = function(prop) { return prop; };
diff --git a/lib/utils/debounce.js b/lib/utils/debounce.js
index e40eaddc5a..9262d00a1e 100644
--- a/lib/utils/debounce.js
+++ b/lib/utils/debounce.js
@@ -111,4 +111,4 @@ export const Debouncer = class Debouncer {
     debouncer.setConfig(asyncModule, callback);
     return debouncer;
   }
-}
+};