diff --git a/src/lib/elementary/elm_config.h b/src/lib/elementary/elm_config.h
index a9f428f01d..30bceba323 100644
--- a/src/lib/elementary/elm_config.h
+++ b/src/lib/elementary/elm_config.h
@@ -2209,7 +2209,7 @@ EAPI void elm_config_powersave_set(int set);
   * @since 1.21
   * @see elm_config_drag_anim_duration_set()
   */
-EAPI double elm_config_drag_anim_duration_get();
+EAPI double elm_config_drag_anim_duration_get(void);
 
 /**
   * Set the animation duration for container objects
@@ -2219,7 +2219,7 @@ EAPI double elm_config_drag_anim_duration_get();
   * @since 1.21
   * @see elm_config_drag_anim_duration_get()
   */
-EAPI void elm_config_drag_anim_duration_set();
+EAPI void elm_config_drag_anim_duration_set(double set);
 
 /* new efl.config interface helpers in C */