diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index d42be866..fcecea95 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -1,13 +1,9 @@
 class Attachment < ActiveRecord::Base
   belongs_to :todo, touch: true
 
-  # enable write permissions on group, since MessageGateway could be run under different
-  # user than Tracks (i.e. apache versus mail)
-
   has_attached_file :file,
     url:  '/:class/:id/:basename.:extension',
-    path: ":rails_root/db/assets/#{Rails.env}/:class/:id/:basename.:extension",
-    override_file_permissions: 0660
+    path: ":rails_root/db/assets/#{Rails.env}/:class/:id/:basename.:extension"
 
   do_not_validate_attachment_file_type :file
   # validates_attachment_content_type :file, :content_type => ["text/plain"]
diff --git a/app/models/todo.rb b/app/models/todo.rb
index a39e5964..8e4ee7c6 100644
--- a/app/models/todo.rb
+++ b/app/models/todo.rb
@@ -25,7 +25,7 @@ class Todo < ActiveRecord::Base
   has_many :pending_successors, -> {where('todos.state = ?', 'pending')}, :through => :predecessor_dependencies,
     :source => :successor
 
-  has_many :attachments, dependent: :destroy
+  has_many :attachments, dependent: :delete_all
 
   # scopes for states of this todo
   scope :active, -> { where state: 'active' }