diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index 90ddaf5ed7..35cc499ea8 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -105,9 +105,6 @@ struct _GtkRangePrivate
   GdkRectangle       slider;
   GdkWindow         *event_window;
 
-  GQuark             slider_detail_quark;
-  GQuark             stepper_detail_quark[4];
-
   GtkOrientation     orientation;
 
   gdouble  fill_level;
@@ -638,12 +635,6 @@ gtk_range_set_property (GObject      *object,
         {
           priv->orientation = g_value_get_enum (value);
 
-          priv->slider_detail_quark = 0;
-          priv->stepper_detail_quark[0] = 0;
-          priv->stepper_detail_quark[1] = 0;
-          priv->stepper_detail_quark[2] = 0;
-          priv->stepper_detail_quark[3] = 0;
-
           _gtk_orientable_set_style_classes (GTK_ORIENTABLE (range));
           gtk_widget_queue_resize (GTK_WIDGET (range));
           g_object_notify_by_pspec (object, pspec);