Removing nickname from user

app/components/users.rb

@@ -17,7 +17,6 @@ class Users < Netzke::Basepack::Grid
       :username,
       :first_name,
       :last_name,
-      :nickname,
       :email,
       :bike__shop_id
     ]

app/models/user.rb

@@ -7,7 +7,7 @@ class User < ActiveRecord::Base
 
   # Setup accessible (or protected) attributes for your model
   attr_accessible :email, :password, :password_confirmation, :remember_me,
-    :first_name, :last_name, :nickname, :bike_id,
+    :first_name, :last_name, :bike_id,
     :user_profiles_attributes, :username
 
   has_many :transactions

db/migrate/20130614003934_remove_nickname.rb

@@ -0,0 +1,5 @@
+class RemoveNickname < ActiveRecord::Migration
+  def change
+    remove_column :users, :nickname, :string
+  end
+end