diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index 5ec1a4b26..96911bcc5 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -490,7 +490,7 @@ WellDisplayItem.prototype = {
                                 GLOW_COLOR.blue / 255,
                                 GLOW_COLOR.alpha / 255);
             }));
-            this._name.connect('notify::allocation', Lang.bind(this, function (n, alloc) {
+            this._name.connect('notify::allocation', Lang.bind(this, function () {
                 let x = this._name.x;
                 let y = this._name.y;
                 let width = this._name.width;
diff --git a/js/ui/genericDisplay.js b/js/ui/genericDisplay.js
index 22e26e259..feb94d378 100644
--- a/js/ui/genericDisplay.js
+++ b/js/ui/genericDisplay.js
@@ -347,10 +347,10 @@ GenericDisplay.prototype = {
         this._list = new Shell.OverflowList({ spacing: 6.0,
                                               item_height: ITEM_DISPLAY_HEIGHT });
 
-        this._list.connect('notify::n-pages', Lang.bind(this, function (grid, alloc) {
+        this._list.connect('notify::n-pages', Lang.bind(this, function () {
             this._updateDisplayControl(true);
         }));
-        this._list.connect('notify::page', Lang.bind(this, function (grid, alloc) {
+        this._list.connect('notify::page', Lang.bind(this, function () {
             this._updateDisplayControl(false);
         }));