diff --git a/lib/utils/settings.html b/lib/utils/settings.html
index 218f83c9ec..c27c09f99d 100644
--- a/lib/utils/settings.html
+++ b/lib/utils/settings.html
@@ -43,7 +43,7 @@
    * @memberof Polymer
    */
   Polymer.rootPath = Polymer.rootPath ||
-    Polymer.ResolveUrl.pathFromUrl(document.baseURI || window.location.href);;
+    Polymer.ResolveUrl.pathFromUrl(document.baseURI || window.location.href);
 
   /**
    * Sets the global rootPath property used by `Polymer.ElementMixin` and
@@ -108,8 +108,8 @@
     Polymer.passiveTouchGestures = usePassive;
   };
 
-  Polymer.legacyOptimizations = Polymer.legacyOptimizations || 
-      window.PolymerSettings && PolymerSettings.legacyOptimizations || false;
+  Polymer.legacyOptimizations = Polymer.legacyOptimizations ||
+      window.PolymerSettings && window.PolymerSettings.legacyOptimizations || false;
 
   /**
    * Sets `legacyOptimizations` globally for all elements. Enables