diff --git a/panels/display/cc-display-arrangement.c b/panels/display/cc-display-arrangement.c
index fa026ae..ca0ace9 100644
--- a/panels/display/cc-display-arrangement.c
+++ b/panels/display/cc-display-arrangement.c
@@ -706,6 +706,7 @@ cc_display_arrangement_draw (GtkWidget *widget,
           gtk_style_context_get (context, state, "font", &font, NULL);
           layout = gtk_widget_create_pango_layout (GTK_WIDGET (self), number_str);
           pango_layout_set_font_description (layout, font);
+          pango_font_description_free (font);
           pango_layout_get_extents (layout, NULL, &extents);
 
           h = (extents.height - extents.y) / PANGO_SCALE;
diff --git a/panels/display/cc-display-panel.c b/panels/display/cc-display-panel.c
index b927a73..5a513b4 100644
--- a/panels/display/cc-display-panel.c
+++ b/panels/display/cc-display-panel.c
@@ -480,6 +480,9 @@ cc_display_panel_dispose (GObject *object)
   g_clear_object (&self->labeler);
   g_clear_pointer (&self->palette, g_free);
 
+  g_clear_object (&self->output_selection_list);
+  g_clear_object (&self->builder);
+
   g_signal_handlers_disconnect_by_func (self, widget_visible_changed, NULL);
 
   G_OBJECT_CLASS (cc_display_panel_parent_class)->dispose (object);
@@ -722,9 +725,10 @@ rebuild_ui (CcDisplayPanel *panel)
 
       pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 20, 20);
 
-      gchar *color_string = get_color_string_for_output (output);
+      gchar *color_string = get_color_string_for_output (panel, index);
 
       gdk_rgba_parse (&color, color_string);
+      g_free (color_string);
 
       pixel = pixel + ((int) (color.red * 255) << 24);
       pixel = pixel + ((int) (color.green * 255) << 16);
@@ -751,6 +755,8 @@ rebuild_ui (CcDisplayPanel *panel)
                           2, pixbuf,
                           -1);
 
+      g_object_unref (pixbuf);
+
       if (!cc_display_monitor_is_usable (output))
         continue;
 
diff --git a/panels/display/cc-display-settings.c b/panels/display/cc-display-settings.c
index cf3b029..18cc2cb 100644
--- a/panels/display/cc-display-settings.c
+++ b/panels/display/cc-display-settings.c
@@ -414,6 +414,8 @@ cc_display_settings_rebuild_ui (CcDisplaySettings *self)
                           1, l->data,
                           -1);
 
+      g_free (resolution_string);
+
       if (current_mode == l->data)
         {
            gtk_combo_box_set_active_iter (GTK_COMBO_BOX (self->resolution_combo), &iter);
@@ -678,6 +680,7 @@ cc_display_settings_finalize (GObject *object)
   g_clear_object (&self->orientation_list);
   g_clear_object (&self->refresh_rate_list);
   g_clear_object (&self->resolution_list);
+  g_clear_object (&self->builder);
 
   if (self->idle_udpate_id)
     g_source_remove (self->idle_udpate_id);
diff --git a/shell/cc-shell-item-view.c b/shell/cc-shell-item-view.c
index dffdbc7..2dd9a36 100644
--- a/shell/cc-shell-item-view.c
+++ b/shell/cc-shell-item-view.c
@@ -166,6 +166,8 @@ cc_shell_item_view_update_cells (CcShellItemView *view)
 			break;
 		}
 	}
+
+    g_list_free (cells);
 }
 
 static void