diff --git a/data/edc/menu.edc b/data/edc/menu.edc
index 3b1fcee..17633a4 100644
--- a/data/edc/menu.edc
+++ b/data/edc/menu.edc
@@ -787,18 +787,6 @@ group { name: "setting_layout";
             }
          }
       }
-      part { name: "preference_bg";
-         type: RECT;
-         scale: 1;
-         description {
-            rel1.to_x: "preference_guide";
-            rel1.to_y: "preference_guide";
-            rel1.offset: 0 5;
-            rel1.relative: 0 1;
-            rel2.to: "preference_frame";
-            color: 170 170 170 170;
-         }
-      }
       part { name: "elm.swallow.preference";
          type: SWALLOW;
          scale: 1;
diff --git a/include/config_data.h b/include/config_data.h
index 541f2b8..2ab99c2 100644
--- a/include/config_data.h
+++ b/include/config_data.h
@@ -22,4 +22,7 @@ void option_view_size_get(option_data *od, Evas_Coord *w, Evas_Coord *h);
 void option_view_size_set(option_data *od, Evas_Coord w, Evas_Coord h);
 Eina_Bool option_part_highlight_get(option_data *od);
 void option_part_highlight_set(option_data *od, Eina_Bool highlight);
+Eina_Bool option_dummy_swallow_get(option_data *od);
+void option_dummy_swallow_set(option_data *od, Eina_Bool dummy_swallow);
+
 
diff --git a/src/config_data.c b/src/config_data.c
index 3d91492..7a5c6a4 100644
--- a/src/config_data.c
+++ b/src/config_data.c
@@ -18,6 +18,7 @@ struct config_s
    Eina_Bool stats_bar : 1;
    Eina_Bool linenumber : 1;
    Eina_Bool part_highlight : 1;
+   Eina_Bool dummy_swallow : 1;
 };
 
 void
@@ -72,6 +73,7 @@ option_init(const char *edc_path, const char *edc_img_path,
 
    od->linenumber = EINA_TRUE;
    od->part_highlight = EINA_TRUE;
+   od->dummy_swallow = EINA_TRUE;
 
    return od;
 }
@@ -272,3 +274,15 @@ option_part_highlight_set(option_data *od, Eina_Bool highlight)
 {
    od->part_highlight = highlight;
 }
+
+Eina_Bool
+option_dummy_swallow_get(option_data *od)
+{
+   return od->dummy_swallow;
+}
+
+void
+option_dummy_swallow_set(option_data *od, Eina_Bool dummy_swallow)
+{
+   od->dummy_swallow = dummy_swallow;
+}
diff --git a/src/main.c b/src/main.c
index 45f0cfb..69fcd26 100644
--- a/src/main.c
+++ b/src/main.c
@@ -310,6 +310,8 @@ option_update_cb(void *data, option_data *od)
    statusbar_toggle(ad);
    part_highlight_toggle(ad);
 
+   //FIXME: implement dummy object update.
+
    //previous build was failed, Need to rebuild then reload the edj.
    if (view_reload_need_get(ad->vd))
      {
diff --git a/src/menu.c b/src/menu.c
index 2b8f5b5..bacc787 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -13,6 +13,8 @@ struct menu_s
    Evas_Object *toggle_stats;
    Evas_Object *toggle_linenumber;
    Evas_Object *toggle_highlight;
+   Evas_Object *dummy_swallow;
+
    Evas_Object *ctxpopup;
 
    void (*close_cb)(void *data);
@@ -177,6 +179,7 @@ setting_apply_btn_cb(void *data, Evas_Object *obj EINA_UNUSED,
    option_stats_bar_set(od, elm_check_state_get(md->toggle_stats));
    option_linenumber_set(od, elm_check_state_get(md->toggle_linenumber));
    option_part_highlight_set(od, elm_check_state_get(md->toggle_highlight));
+   option_dummy_swallow_set(od, elm_check_state_get(md->dummy_swallow));
    option_apply(od);
 
    setting_close(md);
@@ -263,10 +266,16 @@ setting_open(menu_data *md)
                                snd_path_entry);
 
    //Preference
-   Evas_Object *box = elm_box_add(layout);
+   Evas_Object *scroller = elm_scroller_add(layout);
+   elm_object_part_content_set(layout, "elm.swallow.preference", scroller);
+   evas_object_show(scroller);
+
+   Evas_Object *box = elm_box_add(scroller);
+   evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
+   evas_object_size_hint_align_set(box, EVAS_HINT_FILL, EVAS_HINT_FILL);
    evas_object_show(box);
 
-   elm_object_part_content_set(layout, "elm.swallow.preference", box);
+   elm_object_content_set(scroller, box);
 
    Evas_Object *toggle;
 
@@ -331,6 +340,19 @@ setting_open(menu_data *md)
 
    elm_box_pack_end(box, toggle_highlight);
 
+   //Toggle (Dummy Swallow)
+   Evas_Object *dummy_swallow = elm_check_add(box);
+   elm_object_style_set(dummy_swallow, "toggle");
+   elm_check_state_set(dummy_swallow, option_dummy_swallow_get(md->od));
+   evas_object_size_hint_weight_set(dummy_swallow, EVAS_HINT_EXPAND,
+                                    EVAS_HINT_EXPAND);
+   evas_object_size_hint_align_set(dummy_swallow, EVAS_HINT_FILL,
+                                   EVAS_HINT_FILL);
+   elm_object_text_set(dummy_swallow, "Dummy Swallow");
+   evas_object_show(dummy_swallow);
+
+   elm_box_pack_end(box, dummy_swallow);
+
    //Toggle (Auto Indentation)
    toggle = elm_check_add(box);
    elm_object_style_set(toggle, "toggle");
@@ -381,6 +403,7 @@ setting_open(menu_data *md)
    md->toggle_stats = toggle_stats;
    md->toggle_linenumber = toggle_linenumber;
    md->toggle_highlight = toggle_highlight;
+   md->dummy_swallow = dummy_swallow;
 }
 
 static void