diff --git a/app/models/notification.rb b/app/models/notification.rb
index b0b373978..1e9dfa3dd 100644
--- a/app/models/notification.rb
+++ b/app/models/notification.rb
@@ -1,6 +1,6 @@
 class Notification < ActiveRecord::Base
   include Versions # version/notification_version.rb
-  belongs_to :registrar, required: true
+  belongs_to :registrar
 
   scope :unread, -> { where(read: false) }
 
diff --git a/test/models/notification_test.rb b/test/models/notification_test.rb
index e6783efcf..bfd577fb9 100644
--- a/test/models/notification_test.rb
+++ b/test/models/notification_test.rb
@@ -14,11 +14,6 @@ class NotificationTest < ActiveSupport::TestCase
     assert @notification.invalid?
   end
 
-  def test_invalid_without_registrar
-    @notification.registrar = nil
-    assert @notification.invalid?
-  end
-
   def test_unread_by_default
     notification = Notification.new(registrar: registrars(:bestnames), text: 'test')
     assert notification.unread?