diff --git a/app/models/unit.rb b/app/models/unit.rb
index 7f02167..b18094e 100644
--- a/app/models/unit.rb
+++ b/app/models/unit.rb
@@ -7,7 +7,7 @@ class Unit
   field :name, as: :slug_title, :localize => true
   field :sort_number, type: Integer
 
-  has_many :departments, :autosave => true, :dependent => :destroy
+  has_many :departments, :dependent => :destroy
 
   accepts_nested_attributes_for :departments, :allow_destroy => true