diff --git a/app/models/edu_setting.rb b/app/models/edu_setting.rb
index 4a38d6122..dcb299d4c 100644
--- a/app/models/edu_setting.rb
+++ b/app/models/edu_setting.rb
@@ -17,7 +17,7 @@
 
 class EduSetting < ApplicationRecord
   after_commit :expire_value_cache
-  after_commit :clear_value_cache, on: :destroy
+  after_destroy :clear_value_cache
 
   scope :by_search,     -> (keyword){ where("name LIKE :keyword OR value LIKE :keyword", keyword: "%#{strip_param(keyword)}%") unless strip_param(keyword).blank? }