diff --git a/vendor/built_in_modules/announcement/app/models/bulletin_category.rb b/vendor/built_in_modules/announcement/app/models/bulletin_category.rb
index 74e5b648..feb39edb 100644
--- a/vendor/built_in_modules/announcement/app/models/bulletin_category.rb
+++ b/vendor/built_in_modules/announcement/app/models/bulletin_category.rb
@@ -17,7 +17,7 @@ class BulletinCategory
   
   has_one :i18n_variable, :as => :language_value, :autosave => true, :dependent => :destroy
   
-  has_many :bulletins
+  has_many :bulletins,:dependent => :destroy
   
   def pp_object
     i18n_variable[I18n.locale]
diff --git a/vendor/built_in_modules/news/app/models/news_bulletin_category.rb b/vendor/built_in_modules/news/app/models/news_bulletin_category.rb
index a9997b99..c1f60e91 100644
--- a/vendor/built_in_modules/news/app/models/news_bulletin_category.rb
+++ b/vendor/built_in_modules/news/app/models/news_bulletin_category.rb
@@ -17,7 +17,7 @@ class NewsBulletinCategory
   
   has_one :i18n_variable, :as => :language_value, :autosave => true, :dependent => :destroy
   
-  has_many :news_bulletins
+  has_many :news_bulletins,:dependent => :destroy
   
   def pp_object
     i18n_variable[I18n.locale]