diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
deleted file mode 100644
index f7ed16b9d..000000000
--- a/app/controllers/categories_controller.rb
+++ /dev/null
@@ -1,78 +0,0 @@
-# -*- encoding : utf-8 -*-
-class CategoriesController < ApplicationController
-  before_filter :authenticate_user!
-  before_filter :find_category, :only => [:show, :edit, :update, :destroy]
-  before_filter :find_platform, :only => [:show, :index]
-
-  load_and_authorize_resource
-
-  def platforms
-    @all_platforms = Platform.all
-    @all_platforms_count = Platform.joins(:repositories => :projects).group('platforms.id').count
-    @personal_platforms = Platform.personal
-    @personal_platforms_count = Platform.personal.joins(:repositories => :projects).group('platforms.id').count
-    @main_platforms = Platform.main
-    @main_platforms_count = Platform.main.joins(:repositories => :projects).group('platforms.id').count
-  end
-
-  def index
-    if @platform
-      @categories = Category.select('categories.id, categories.name, categories.ancestry, count(projects.id) projects_count').
-                             joins(:projects => :repositories).where('repositories.platform_id = ?', @platform.id).
-                             having('count(projects.id) > 0').group('categories.id, categories.name, categories.ancestry, projects_count')
-      render 'index2'
-    else
-      @categories = Category.paginate(:page => params[:page])
-    end
-  end
-
-  def show
-    @projects = @category.projects
-    @projects = @projects.joins(:repositories).where("repositories.platform_id = ?", @platform.id) if @platform
-    @projects = @projects.paginate :page => params[:page]
-  end
-
-  def new
-    @category = Category.new
-  end
-
-  def edit
-  end
-
-  def destroy
-    @category.destroy
-    flash[:notice] = t("flash.category.destroyed")
-    redirect_to categories_path
-  end
-
-  def create
-    @category = Category.new params[:category]
-    if @category.save
-      flash[:notice] = t('flash.category.saved')
-      redirect_to categories_path
-    else
-      flash[:error] = t('flash.category.save_error')
-      render :action => :new
-    end
-  end
-
-  def update
-    if @category.update_attributes(params[:category])
-      flash[:notice] = t('flash.category.saved')
-      redirect_to categories_path
-    else
-      flash[:error] = t('flash.category.save_error')
-      render :action => :edit
-    end
-  end
-
-  protected
-
-  def find_category
-    @category = Category.find(params[:id])
-  end
-
-  def find_platform
-    @platform = Platform.find(params[:platform_id]) if params[:platform_id]
-  end
-end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 1052213cc..ec035d7bc 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,7 +1,7 @@
 # -*- encoding : utf-8 -*-
 module ApplicationHelper
   def choose_title
-    title = if ['categories', 'personal_repositories', 'downloads'].include?(controller.controller_name)
+    title = if ['personal_repositories', 'downloads'].include?(controller.controller_name)
       APP_CONFIG['repo_project_name']
     else
       APP_CONFIG['project_name']
diff --git a/app/models/category.rb b/app/models/category.rb
deleted file mode 100644
index a7cb4d328..000000000
--- a/app/models/category.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- encoding : utf-8 -*-
-class Category < ActiveRecord::Base
-  has_many :projects, :dependent => :nullify
-
-  validates :name, :presence => true
-
-  default_scope order('categories.name')
-
-  has_ancestry
-end
diff --git a/app/models/project.rb b/app/models/project.rb
index 83b246f69..8f52595aa 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -3,7 +3,6 @@ class Project < ActiveRecord::Base
   VISIBILITIES = ['open', 'hidden']
   MAX_OWN_PROJECTS = 32000
 
-  belongs_to :category, :counter_cache => true
   belongs_to :owner, :polymorphic => true, :counter_cache => :own_projects_count
 
   has_many :issues, :dependent => :destroy
@@ -21,7 +20,7 @@ class Project < ActiveRecord::Base
   validates :name, :uniqueness => {:scope => [:owner_id, :owner_type], :case_sensitive => false}, :presence => true, :format => {:with => /^[a-zA-Z0-9_\-\+\.]+$/}
   validates :owner, :presence => true
   validate { errors.add(:base, :can_have_less_or_equal, :count => MAX_OWN_PROJECTS) if owner.projects.size >= MAX_OWN_PROJECTS }
-  # validate {errors.add(:base, I18n.t('flash.project.save_warning_ssh_key')) if owner.ssh_key.blank?}
+  
   validates_attachment_size :srpm, :less_than => 500.megabytes
   validates_attachment_content_type :srpm, :content_type => ['application/octet-stream', "application/x-rpm", "application/x-redhat-package-manager"], :message => I18n.t('layout.invalid_content_type')
 
diff --git a/app/views/categories/_category.html.haml b/app/views/categories/_category.html.haml
deleted file mode 100644
index 013dc5310..000000000
--- a/app/views/categories/_category.html.haml
+++ /dev/null
@@ -1,9 +0,0 @@
-%tr{:class => cycle("odd", "even")}
-  %td
-    = link_to category.name, category
-    (#{category.projects_count})
-  %td= category.parent.try(:name)
-  %td.last
-    = link_to t("layout.edit"), edit_category_path(category)
-    |
-    = link_to t("layout.delete"), category_path(category), :method => :delete, :confirm => t("layout.categories.confirm_delete")
\ No newline at end of file
diff --git a/app/views/categories/_form.html.haml b/app/views/categories/_form.html.haml
deleted file mode 100644
index dc652871c..000000000
--- a/app/views/categories/_form.html.haml
+++ /dev/null
@@ -1,15 +0,0 @@
-= form_for @category, :html => { :class => :form } do |f|
-  .group
-    = f.label :parent_id, :class => :label
-    = f.collection_select :parent_id, Category.roots, :id, :name, :include_blank => true
-
-  .group
-    = f.label :name, :class => :label
-    = f.text_field :name, :class => 'text_field'
-
-  .group.navform.wat-cf
-    %button.button{:type => "submit"}
-      = image_tag("choose.png", :alt => t("layout.save"))
-      = t("layout.save")
-    %span.text_button_padding= t("layout.or")
-    = link_to t("layout.cancel"), categories_path, :class => "text_button_padding link_button"
diff --git a/app/views/categories/_sidebar.html.haml b/app/views/categories/_sidebar.html.haml
deleted file mode 100644
index e69de29bb..000000000
diff --git a/app/views/categories/edit.html.haml b/app/views/categories/edit.html.haml
deleted file mode 100644
index c279e42ac..000000000
--- a/app/views/categories/edit.html.haml
+++ /dev/null
@@ -1,11 +0,0 @@
-.block
-  .secondary-navigation
-    %ul.wat-cf
-      %li.first= link_to t("layout.categories.list"), categories_path
-      %li= link_to t("layout.categories.platforms"), platforms_categories_path
-      %li= link_to t("layout.categories.new"), new_category_path
-      %li.active= link_to t("layout.categories.edit"), edit_category_path
-  .content
-    %h2.title= t("layout.categories.edit_header")
-    .inner= render "form"
-- content_for :sidebar, render('sidebar')
diff --git a/app/views/categories/index.html.haml b/app/views/categories/index.html.haml
deleted file mode 100644
index 52700aad1..000000000
--- a/app/views/categories/index.html.haml
+++ /dev/null
@@ -1,17 +0,0 @@
-.block
-  .secondary-navigation
-    %ul.wat-cf
-      %li.first.active= link_to t("layout.categories.list"), categories_path
-      %li= link_to t("layout.categories.platforms"), platforms_categories_path
-      %li= link_to t("layout.categories.new"), new_category_path
-  .content
-    %h2.title= t("layout.categories.list_header")
-    .inner
-      %table.table
-        %tr
-          %th= t("activerecord.attributes.category.name")
-          %th= t("activerecord.attributes.category.parent_id")
-          %th.last &nbsp;
-        = render @categories
-      .actions-bar.wat-cf
-        .actions= will_paginate @categories
diff --git a/app/views/categories/index2.html.haml b/app/views/categories/index2.html.haml
deleted file mode 100644
index 97e74afed..000000000
--- a/app/views/categories/index2.html.haml
+++ /dev/null
@@ -1,14 +0,0 @@
-.block
-  .secondary-navigation
-    %ul.wat-cf
-      %li.first= link_to t("layout.categories.list"), categories_path
-      %li.active= link_to t("layout.categories.platforms"), platforms_categories_path
-  .content
-    %h2.title= @platform.name
-    .inner
-      %table.table
-        - @categories.each do |category|
-          %tr{:class => cycle("odd", "even")}
-            %td= link_to category.name, [@platform, category]
-            %td= category.parent.name
-            %td.last= category.projects_count
\ No newline at end of file
diff --git a/app/views/categories/new.html.haml b/app/views/categories/new.html.haml
deleted file mode 100644
index a7c6611db..000000000
--- a/app/views/categories/new.html.haml
+++ /dev/null
@@ -1,9 +0,0 @@
-.block
-  .secondary-navigation
-    %ul.wat-cf
-      %li.first= link_to "#{t("layout.categories.list")}", @categories_path
-      %li= link_to t("layout.categories.platforms"), platforms_categories_path
-      %li.active= link_to "#{t("layout.categories.new")}", @new_category_path
-  .content
-    %h2.title= t("layout.categories.new_header")
-    .inner= render "form"
diff --git a/app/views/categories/platforms.html.haml b/app/views/categories/platforms.html.haml
deleted file mode 100644
index a93767620..000000000
--- a/app/views/categories/platforms.html.haml
+++ /dev/null
@@ -1,31 +0,0 @@
-.block
-  .secondary-navigation
-    %ul.wat-cf
-      %li.first= link_to t("layout.categories.list"), categories_path
-      %li.active= link_to t("layout.categories.platforms"), platforms_categories_path
-  .content
-    %h2.title= t("layout.platforms.list_header")
-    %br
-    .inner
-      %h3.title= t("layout.platforms.list_header_main")
-      %table.table
-        - @main_platforms.each do |platform|
-          %tr{:class => cycle("odd", "even")}
-            %td= link_to platform.name, platform_categories_path(platform)
-            %td.last= @main_platforms_count[platform.id].to_i
-    %br
-    .inner
-      %h3.title= t("layout.platforms.list_header_personal")
-      %table.table
-        - @personal_platforms.each do |platform|
-          %tr{:class => cycle("odd", "even")}
-            %td= link_to platform.name, platform_categories_path(platform)
-            %td.last= @personal_platforms_count[platform.id].to_i
-    %br
-    .inner
-      %h3.title= t("layout.platforms.list_header_all")
-      %table.table
-        - @all_platforms.each do |platform|
-          %tr{:class => cycle("odd", "even")}
-            %td= link_to platform.name, platform_categories_path(platform)
-            %td.last= @all_platforms_count[platform.id].to_i
diff --git a/app/views/categories/show.html.haml b/app/views/categories/show.html.haml
deleted file mode 100644
index 0ee654296..000000000
--- a/app/views/categories/show.html.haml
+++ /dev/null
@@ -1,15 +0,0 @@
-.block
-  .secondary-navigation
-    %ul.wat-cf
-      %li.first= link_to t("layout.categories.list"), categories_path
-      %li= link_to t("layout.categories.platforms"), platforms_categories_path
-      - if @platform
-        %li.active= link_to @platform.name, platform_categories_path(@platform)
-  .content
-    %h2.title
-      = @category.name
-      (#{@category.parent.name})
-    .inner
-      %table.table= render @projects
-      .actions-bar.wat-cf
-        .actions= will_paginate @projects
diff --git a/app/views/projects/_form.html.haml b/app/views/projects/_form.html.haml
index 5642020ee..4a4ffa06f 100644
--- a/app/views/projects/_form.html.haml
+++ b/app/views/projects/_form.html.haml
@@ -21,10 +21,7 @@
     - else
       = hidden_field_tag :who_owns, :me
   .both
--#- if [:new, :create].include? act
--#  .leftlist= f.label :category_id, t("activerecord.attributes.project.category_id"), :class => :label
--#  .rightlist= f.grouped_collection_select :category_id, Category.roots, :children, :name, :id, :name, :include_blank => true
--#  .both
+
 .leftlist= f.label :visibility, t("activerecord.attributes.project.visibility"), :class => :label
 .rightlist
   =# f.select :visibility, Project::VISIBILITIES
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 3b4bc3759..e2b649312 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -93,16 +93,6 @@ en:
       regenerate_btn: Regenerate
       warning_message: Warning - Old data set as invalid when new data obtaining
 
-    categories:
-      list: List
-      new: Create
-      edit: Edit
-      platforms: By platform
-      list_header: Catalogue
-      new_header: New category
-      edit_header: Edit category
-      confirm_delete: Are you sure to delete this category?
-
     collaborators:
       back_to_proj: Back to project
       edit: Edit list
@@ -166,11 +156,6 @@ en:
       successfully_added: Member %s successfully added
       error_in_adding: Member %s adding error
 
-    category:
-      saved: Category saved
-      save_error: Category saves error
-      destroyed: Category deleted
-
     blob:
       successfully_updated: File '%{name}' successfully updated
       updating_error: Error updating file '%{name}'
@@ -192,7 +177,6 @@ en:
               can_have_less_or_equal: You cannot have more than %{count} projects.
 
     models:
-      category: Category
       arch: Arch
       container: Container
       rpm: RPM
@@ -216,10 +200,6 @@ en:
         login: Login
         password: Password
 
-      category:
-        parent_id: Parent
-        name: Name
-
       arch:
         name: Name
         created_at: Created
diff --git a/config/locales/menu.en.yml b/config/locales/menu.en.yml
index f9aeb6885..458463829 100644
--- a/config/locales/menu.en.yml
+++ b/config/locales/menu.en.yml
@@ -3,7 +3,6 @@ en:
     repositories: Repositories
     personal_repository: My repository
     products: Products
-    categories: Catalogue
     downloads: Statistics
   top_menu:
     platforms: Platforms
diff --git a/config/locales/menu.ru.yml b/config/locales/menu.ru.yml
index 858689f6c..a7d0682d8 100644
--- a/config/locales/menu.ru.yml
+++ b/config/locales/menu.ru.yml
@@ -1,6 +1,5 @@
 ru:
   menu:
-    categories: Каталог
     products: Продукты
     repositories: Репозитории
     personal_repository: Мой репозиторий
diff --git a/config/locales/models/project.en.yml b/config/locales/models/project.en.yml
index ebfe1c0e0..e79e66abd 100644
--- a/config/locales/models/project.en.yml
+++ b/config/locales/models/project.en.yml
@@ -60,7 +60,6 @@ en:
       project: Project
     attributes:
       project:
-        category_id: Category
         name: Name
         description: Descripton
         owner: Owner
diff --git a/config/locales/models/project.ru.yml b/config/locales/models/project.ru.yml
index 194a8a0b3..acda92170 100644
--- a/config/locales/models/project.ru.yml
+++ b/config/locales/models/project.ru.yml
@@ -60,7 +60,6 @@ ru:
       project: Проект
     attributes:
       project:
-        category_id: Категория
         name: Название
         description: Описание
         owner: Владелец
diff --git a/config/locales/ru.yml b/config/locales/ru.yml
index a8c9d7614..ca0c366c3 100644
--- a/config/locales/ru.yml
+++ b/config/locales/ru.yml
@@ -93,16 +93,6 @@ ru:
       regenerate_btn: Перегенерировать
       warning_message: Примечание - При получении новых данных старые становятся недействительными
 
-    categories:
-      list: Список
-      new: Создать
-      edit: Редактировать
-      platforms: По платформам
-      list_header: Каталог
-      new_header: Новая категория
-      edit_header: Редактировать категорию
-      confirm_delete: Вы уверены, что хотите удалить эту категорию?
-
     collaborators:
       back_to_proj: Вернуться к проекту
       edit: Редактировать список
@@ -166,11 +156,6 @@ ru:
       successfully_added: Участник %s успешно добавлен
       error_in_adding: Ошибка при добавлении участника %s
 
-    category:
-      saved: Категория успешно сохранена
-      save_error: Не удалось сохранить категорию
-      destroyed: Категория успешно удалена
-
     blob:
       successfully_updated: Файл '%{name}' успешно обновлен
       updating_error: Ошибка обновления файла '%{name}'
@@ -192,7 +177,6 @@ ru:
               can_have_less_or_equal: Нельзя иметь больше, чем %{count} проектов.
 
     models:
-      category: Категория
       arch: Arch
       container: Container
       rpm: RPM
@@ -217,10 +201,6 @@ ru:
         login: Логин
         password: Пароль
 
-      category:
-        parent_id: Родитель
-        name: Название
-
       arch:
         name: Название
         created_at: Создана
diff --git a/config/routes.rb b/config/routes.rb
index 20dc90673..ea4f010fe 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -44,10 +44,6 @@ Rosa::Application.routes.draw do
   match 'statistics/refresh' => 'downloads#refresh', :as => :downloads_refresh
   match 'statistics/test_sudo' => 'downloads#test_sudo', :as => :test_sudo_downloads
 
-  resources :categories do
-    get :platforms, :on => :collection
-  end
-
   match '/private/:platform_name/*file_path' => 'privates#show'
 
   match 'build_lists/publish_build', :to => "build_lists#publish_build"
@@ -101,8 +97,6 @@ Rosa::Application.routes.draw do
     end
 
     resources :repositories
-
-    resources :categories, :only => [:index, :show]
   end
 
   resources :projects, :except => [:show] do
@@ -198,8 +192,6 @@ Rosa::Application.routes.draw do
 
   resources :search, :only => [:index]
 
-  match '/catalogs', :to => 'categories#platforms', :as => :catalogs
-
   match 'product_status', :to => 'product_build_lists#status_build'
 
   # Tree
diff --git a/db/migrate/20120329182602_delete_categories.rb b/db/migrate/20120329182602_delete_categories.rb
new file mode 100644
index 000000000..7b2c9b985
--- /dev/null
+++ b/db/migrate/20120329182602_delete_categories.rb
@@ -0,0 +1,17 @@
+class DeleteCategories < ActiveRecord::Migration
+  def self.up
+    remove_column :projects, :category_id
+    drop_table :categories
+  end
+
+  def self.down
+    create_table :categories, :force => true do |t|
+      t.string   "name"
+      t.string   "ancestry"
+      t.integer  "projects_count", :default => 0, :null => false
+      t.datetime "created_at"
+      t.datetime "updated_at"
+    end
+    add_column :projects, :category_id, :integer
+  end
+end
\ No newline at end of file
diff --git a/db/schema.rb b/db/schema.rb
index 5596d9be6..d1166777e 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20120329181830) do
+ActiveRecord::Schema.define(:version => 20120329182602) do
 
   create_table "activity_feeds", :force => true do |t|
     t.integer  "user_id",    :null => false
@@ -81,14 +81,6 @@ ActiveRecord::Schema.define(:version => 20120329181830) do
   add_index "build_lists", ["bs_id"], :name => "index_build_lists_on_bs_id", :unique => true
   add_index "build_lists", ["project_id"], :name => "index_build_lists_on_project_id"
 
-  create_table "categories", :force => true do |t|
-    t.string   "name"
-    t.string   "ancestry"
-    t.integer  "projects_count", :default => 0, :null => false
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
   create_table "comments", :force => true do |t|
     t.string   "commentable_type"
     t.integer  "user_id"
@@ -273,7 +265,6 @@ ActiveRecord::Schema.define(:version => 20120329181830) do
     t.integer  "owner_id"
     t.string   "owner_type"
     t.string   "visibility",        :default => "open"
-    t.integer  "category_id"
     t.text     "description"
     t.string   "ancestry"
     t.boolean  "has_issues",        :default => true
@@ -286,7 +277,6 @@ ActiveRecord::Schema.define(:version => 20120329181830) do
     t.boolean  "is_rpm",            :default => true
   end
 
-  add_index "projects", ["category_id"], :name => "index_projects_on_category_id"
   add_index "projects", ["owner_id"], :name => "index_projects_on_name_and_owner_id_and_owner_type", :unique => true, :case_sensitive => false
 
   create_table "register_requests", :force => true do |t|
diff --git a/db/seeds.rb b/db/seeds.rb
index 8e6b2314d..bb47f49f9 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -3,137 +3,3 @@ ARCHES = %w(i386 i586 x86_64)
 ARCHES.each do |arch|
   Arch.find_or_create_by_name arch
 end
-
-CATEGORIES = {
-  :mandriva => 
-  %(Accessibility
-Archiving/Backup
-Archiving/Cd burning
-Archiving/Compression
-Archiving/Other
-Books/Computer books
-Books/Faqs
-Books/Howtos
-Books/Literature
-Books/Other
-Communications
-Databases
-Development/C
-Development/C++
-Development/Databases
-Development/GNOME and GTK+
-Development/Java
-Development/KDE and Qt
-Development/Kernel
-Development/Other
-Development/Perl
-Development/PHP
-Development/Python
-Development/Ruby
-Development/X11
-Editors
-Education
-Emulators
-File tools
-Games/Adventure
-Games/Arcade
-Games/Boards
-Games/Cards
-Games/Other
-Games/Puzzles
-Games/Sports
-Games/Strategy
-Graphical desktop/Enlightenment
-Graphical desktop/FVWM based
-Graphical desktop/GNOME
-Graphical desktop/Icewm
-Graphical desktop/KDE
-Graphical desktop/Other
-Graphical desktop/Sawfish
-Graphical desktop/WindowMaker
-Graphical desktop/Xfce
-Graphics
-Monitoring
-Networking/Chat
-Networking/File transfer
-Networking/Instant messaging
-Networking/IRC
-Networking/Mail
-Networking/News
-Networking/Other
-Networking/Remote access
-Networking/WWW
-Office
-Publishing
-Sciences/Astronomy
-Sciences/Biology
-Sciences/Chemistry
-Sciences/Computer science
-Sciences/Geosciences
-Sciences/Mathematics
-Sciences/Other
-Sciences/Physics
-Shells
-Sound
-System/Base
-System/Cluster
-System/Configuration/Boot and Init
-System/Configuration/Hardware
-System/Configuration/Networking
-System/Configuration/Other
-System/Configuration/Packaging
-System/Configuration/Printing
-System/Fonts/Console
-System/Fonts/True type
-System/Fonts/Type1
-System/Fonts/X11 bitmap
-System/Internationalization
-System/Kernel and hardware
-System/Libraries
-System/Printing
-System/Servers
-System/X11
-Terminals
-Text tools
-Toys
-Video),
-  :naulinux =>
-%(Amusements/Games
-Amusements/Graphics
-Applications/Archiving
-Applications/Communications
-Applications/Databases
-Applications/Editors
-Applications/Emulators
-Applications/Engineering
-Applications/File
-Applications/Internet
-Applications/Multimedia
-Applications/Productivity
-Applications/Publishing
-Applications/System
-Applications/Text
-Development/Debuggers
-Development/Languages
-Development/Libraries
-Development/System
-Development/Tools
-Documentation
-System Environment/Base
-System Environment/Daemons
-System Environment/Kernel
-System Environment/Libraries
-System Environment/Shells
-User Interface/Desktops
-User Interface/X
-User Interface/X Hardware Support)
-}
-
-CATEGORIES.each do |platform_type, categories|
-  parent = Category.roots.find_or_create_by_name(platform_type)
-  categories.split("\n").each do |category|
-    Category.find_or_create_by_name(category) do |c|
-      c.parent = parent
-    end
-  end
-end