diff --git a/src/lib/elementary/efl_ui_format.c b/src/lib/elementary/efl_ui_format.c
index 1a2af7345e..eef6c4e2df 100644
--- a/src/lib/elementary/efl_ui_format.c
+++ b/src/lib/elementary/efl_ui_format.c
@@ -336,7 +336,10 @@ _efl_ui_format_decimal_places_get(Eo *obj EINA_UNUSED, Efl_Ui_Format_Data *pd)
 EOLIAN static void
 _efl_ui_format_efl_object_destructor(Eo *obj, Efl_Ui_Format_Data *pd EINA_UNUSED)
 {
-   efl_ui_format_func_set(obj, NULL, NULL, NULL);
+   if (pd->format_func_free)
+     {
+        efl_ui_format_func_set(obj, NULL, NULL, NULL);
+     }
    efl_ui_format_values_set(obj, NULL);
    efl_ui_format_string_set(obj, NULL, 0);
    efl_destructor(efl_super(obj, EFL_UI_FORMAT_MIXIN));
diff --git a/src/lib/elementary/elm_slider.c b/src/lib/elementary/elm_slider.c
index 31c9bcdfcc..e5bd17711b 100644
--- a/src/lib/elementary/elm_slider.c
+++ b/src/lib/elementary/elm_slider.c
@@ -1270,9 +1270,9 @@ _elm_slider_efl_ui_format_format_cb_set(Eo *obj, Elm_Slider_Data *sd, void *func
 
    if (sd->format_cb_data && sd->format_free_cb)
      sd->format_free_cb(sd->format_cb_data);
-   sd->format_cb = NULL;
-   sd->format_cb_data = NULL;
-   sd->format_free_cb = NULL;
+//   sd->format_cb = NULL;
+//   sd->format_cb_data = NULL;
+//   sd->format_free_cb = NULL;
 
    if (efl_invalidated_get(obj)) return;