diff --git a/browser/components/places/content/browserPlacesViews.js b/browser/components/places/content/browserPlacesViews.js
index ee6e284116ca..22072316c1b9 100644
--- a/browser/components/places/content/browserPlacesViews.js
+++ b/browser/components/places/content/browserPlacesViews.js
@@ -313,8 +313,6 @@ PlacesViewBase.prototype = {
                 element.setAttribute("image", "");
                 element.removeAttribute("image");
 #endif
-                // Set an expando on the node, controller will use it to build
-                // its metadata.
                 this.controller.cacheLivemarkInfo(aPlacesNode, aLivemark);
               }
             }.bind(this)
@@ -530,7 +528,7 @@ PlacesViewBase.prototype = {
 
   nodeRemoved:
   function PVB_nodeRemoved(aParentPlacesNode, aPlacesNode, aIndex) {
-    let parentElt = this._getDOMNodeForPlacesNode(aPlacesNode);
+    let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode);
     let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
 
     // Here we need the <menu>.
@@ -1000,8 +998,6 @@ PlacesToolbar.prototype = {
             function (aStatus, aLivemark) {
               if (Components.isSuccessCode(aStatus)) {
                 button.setAttribute("livemark", "true");
-                // Set an expando on the node, controller will use it to build
-                // its metadata.
                 this.controller.cacheLivemarkInfo(aChild, aLivemark);
               }
             }.bind(this)
@@ -1252,8 +1248,6 @@ PlacesToolbar.prototype = {
           { id: aPlacesNode.itemId },
           function (aStatus, aLivemark) {
             if (Components.isSuccessCode(aStatus)) {
-              // Set an expando on the node, controller will use it to build
-              // its metadata.
               this.controller.cacheLivemarkInfo(aPlacesNode, aLivemark);
               this.invalidateContainer(aPlacesNode);
             }