diff --git a/app/models/tagging.rb b/app/models/tagging.rb
index 86925c03..c09bf24f 100644
--- a/app/models/tagging.rb
+++ b/app/models/tagging.rb
@@ -7,11 +7,11 @@ class Tagging
   belongs_to :tag
   belongs_to :taggable, polymorphic: true
 
-  before_destroy :update_taggable_tag_ids
+  # after_destroy :update_taggable_tag_ids
 
-  private
+  # private
 
-  def update_taggable_tag_ids
-    self.taggable.remove_id(self.tag.id)
-  end
+  # def update_taggable_tag_ids
+  #   self.taggable.remove_id(self.tag.id)
+  # end
 end
\ No newline at end of file
diff --git a/vendor/built_in_modules/announcement/app/controllers/panel/announcement/back_end/bulletins_controller.rb b/vendor/built_in_modules/announcement/app/controllers/panel/announcement/back_end/bulletins_controller.rb
index 18887d10..f44c7cbc 100644
--- a/vendor/built_in_modules/announcement/app/controllers/panel/announcement/back_end/bulletins_controller.rb
+++ b/vendor/built_in_modules/announcement/app/controllers/panel/announcement/back_end/bulletins_controller.rb
@@ -125,7 +125,6 @@ class Panel::Announcement::BackEnd::BulletinsController < OrbitBackendController
       delete_out_invalid_date_from_params
       respond_to do |format|
         if @bulletin.update_attributes(params[:bulletin])
-           @bulletin.get_bulletin_tags
 
           format.html { redirect_to(panel_announcement_back_end_bulletins_url, :notice => t('bulletin.update_bulletin_success')) }
           format.js  { render 'toggle_enable' }
diff --git a/vendor/built_in_modules/announcement/app/models/bulletin.rb b/vendor/built_in_modules/announcement/app/models/bulletin.rb
index 8c58c708..77fa12b6 100644
--- a/vendor/built_in_modules/announcement/app/models/bulletin.rb
+++ b/vendor/built_in_modules/announcement/app/models/bulletin.rb
@@ -66,15 +66,6 @@ class Bulletin
     self.category
   end
 
-  def get_bulletin_tags
-    @tags = self.tags.collect{|t| t.id.to_s}.uniq
-    tag = []
-    tag << @tags
-    self.tagged_ids << @tags
-    tags = self.tagged_ids.delete(tag.first)
-    save
-  end
-
   def share_item
       Item.first(conditions:{name: 'announcement'})
   end