diff --git a/src/lib/elementary/efl_ui_slider.eo b/src/lib/elementary/efl_ui_slider.eo
index 608ddf124f..084bda4911 100644
--- a/src/lib/elementary/efl_ui_slider.eo
+++ b/src/lib/elementary/efl_ui_slider.eo
@@ -1,6 +1,3 @@
-type slider_func_type: __undefined_type; [[Elementary slider function type]]
-type slider_freefunc_type: __undefined_type; [[Elementary slider free function type]]
-
 class Efl.Ui.Slider (Efl.Ui.Layout, Efl.Ui.Range, Efl.Ui.Direction,
                      Efl.Access.Value, Efl.Text, Efl.Text.Markup, Efl.Ui.Format,
                      Efl.Ui.Translatable, Efl.Access.Widget.Action)