diff --git a/spec/controllers/conferences_controller_spec.rb b/spec/controllers/conferences_controller_spec.rb
index 79590522..334f49d9 100644
--- a/spec/controllers/conferences_controller_spec.rb
+++ b/spec/controllers/conferences_controller_spec.rb
@@ -1,5 +1,3 @@
-#!/bin/env ruby
-# encoding: utf-8
 require 'spec_helper'
 
 describe Admin::ConferenceController do
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 391d96a9..ffbcb1c4 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -1,10 +1,8 @@
-#!/bin/env ruby
-# encoding: utf-8
 require 'spec_helper'
 
 describe User do
 
-  # It is necessary to build roles before user
+  # It is necessary to use bang version of let to build roles before user
   let!(:organizer_role) { create(:organizer_role) }
   let!(:participant_role) { create(:participant_role) }
   let!(:admin_role) { create(:admin_role) }