diff --git a/gnome/src/gtk2_wrappers.h b/gnome/src/gtk2_wrappers.h
index 41103d7635925ae9f719f958d47a8b9e21d802f8..6b2d72328f4d3820c596017b6a8a9b1cdbbbd32c 100644
--- a/gnome/src/gtk2_wrappers.h
+++ b/gnome/src/gtk2_wrappers.h
@@ -51,9 +51,6 @@ GtkWidget *
 gtk_scale_new_with_range(GtkOrientation orientation, gdouble min, gdouble max,
                          gdouble step);
 
-void
-gtk_combo_box_text_append(GtkComboBoxText *combo_box, const gchar *id, const gchar *text);
-
 #endif
 
 #endif // BOX_H_