bug suppression image galerie

app/models/manager/image_file.rb

@@ -1,7 +1,8 @@
 # -*- encoding : utf-8 -*-
 class ImageFile < ActiveRecord::Base
 	mount_uploader :file, ImageUploader
-
+	has_many :gallery_images, :dependent => :destroy
+	
 	before_save do
 		if !self.name?
 			self.name = File.basename(self.file.filename, File.extname(self.file.filename)).to_s if self.file?

app/models/portlets/gallery_image.rb

@@ -1,6 +1,6 @@
 # -*- encoding : utf-8 -*-
 class GalleryImage < ActiveRecord::Base
-  belongs_to :image_file, :dependent => :destroy
+  belongs_to :image_file
   belongs_to :gallery
 
 validates :title, :presence => true