     exercise_ids[curIndex] = exercise_ids[newIndex]
     exercise_ids[newIndex] = exercise.id
 
-    @_change(id, {settings: {page_ids, exercise_ids, exercises_count_dynamic}})
-
+    @_changeSettings(id, {exercise_ids})
 
   _getStats: (id) ->
     @_stats[id]

    page_ids[curIndex] = page_ids[newIndex]
    page_ids[newIndex] = topicId

    @_change(id, {settings: {page_ids, exercises_count_dynamic}})

  moveExercise: (id, exercise, step) ->
    plan = @_getPlan(id)
    {page_ids, exercise_ids, exercises_count_dynamic} = plan.settings
    exercise_ids = exercise_ids[..]

    curIndex = exercise_ids?.indexOf(exercise.id)
    newIndex = curIndex + step


    sortedTaskings[0] if sortedTaskings?.length

  updateTutorSelection: (id, direction) ->
    {exercises_count_dynamic} = @_getClonedSettings(id, 'exercises_count_dynamic')

    exercises_count_dynamic += direction

    exercises_count_dynamic = Math.min(TUTOR_SELECTIONS.max, exercises_count_dynamic)
    exercises_count_dynamic = Math.max(TUTOR_SELECTIONS.min, exercises_count_dynamic)
    @_changeSettings(id, {exercises_count_dynamic})

  updateTitle: (id, title) ->
    @_change(id, {title})
