diff --git a/app/assets/stylesheets/admin.scss b/app/assets/stylesheets/admin.scss
index 85423df75..107237a54 100644
--- a/app/assets/stylesheets/admin.scss
+++ b/app/assets/stylesheets/admin.scss
@@ -199,7 +199,7 @@ body.admin {
   font-size: rem-calc(12);
 
   &:hover, &:active, &:focus {
-    border: 0;
+    border-bottom: 1px dotted white;
     color: #cf2a0e;
   }
 }
diff --git a/app/assets/stylesheets/layout.scss b/app/assets/stylesheets/layout.scss
index 5e7c189bb..e947fcfd9 100644
--- a/app/assets/stylesheets/layout.scss
+++ b/app/assets/stylesheets/layout.scss
@@ -886,12 +886,6 @@ footer {
       font-weight: bolder;
     }
   }
-
-  form {
-    .button {
-      margin-top: rem-calc(24);
-    }
-  }
 }
 
 // 08. Forms
diff --git a/app/controllers/users/registrations_controller.rb b/app/controllers/users/registrations_controller.rb
index 8e04c0d61..a707d7e75 100644
--- a/app/controllers/users/registrations_controller.rb
+++ b/app/controllers/users/registrations_controller.rb
@@ -10,6 +10,16 @@ class Users::RegistrationsController < Devise::RegistrationsController
     end
   end
 
+  def delete_form
+    build_resource({})
+  end
+
+  def delete
+    current_user.erase(erase_params[:erase_reason])
+    sign_out
+    redirect_to root_url, notice: t("devise.registrations.destroyed")
+  end
+
   def success
   end
 
@@ -32,6 +42,10 @@ class Users::RegistrationsController < Devise::RegistrationsController
       params.require(:user).permit(:username, :email, :password, :password_confirmation, :captcha, :captcha_key, :terms_of_service)
     end
 
+    def erase_params
+      params.require(:user).permit(:erase_reason)
+    end
+
     def after_inactive_sign_up_path_for(resource_or_scope)
       users_sign_up_success_path
     end
diff --git a/app/models/user.rb b/app/models/user.rb
index f652a8f9c..177befd5c 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -23,9 +23,10 @@ class User < ActiveRecord::Base
   has_many :comments, -> { with_hidden }
   has_many :failed_census_calls
 
-  validates :username, presence: true, unless: :organization?
-  validates :username, uniqueness: true, unless: :organization?
+  validates :username, presence: true, if: :username_required?
+  validates :username, uniqueness: true, if: :username_required?
   validates :document_number, uniqueness: { scope: :document_type }, allow_nil: true
+
   validate :validate_username_length
 
   validates :official_level, inclusion: {in: 0..5}
@@ -145,6 +146,21 @@ class User < ActiveRecord::Base
     Proposal.hide_all proposal_ids
   end
 
+  def erase(erase_reason = nil)
+    self.hide
+    self.update(
+      erase_reason: erase_reason,
+      username: nil,
+      email: nil,
+      unconfirmed_email: nil,
+      document_number: nil,
+      phone_number: nil,
+      encrypted_password: "",
+      confirmation_token: nil,
+      reset_password_token: nil,
+      email_verification_token: nil
+    )
+  end
 
   def email_provided?
     !!(email && email !~ OMNIAUTH_EMAIL_REGEX) ||
@@ -172,8 +188,15 @@ class User < ActiveRecord::Base
     super
   end
 
-  private
+  def username_required?
+    !organization? && !hidden?
+  end
 
+  def email_required?
+    !hidden?
+  end
+
+  private
     def clean_document_number
       self.document_number = self.document_number.gsub(/[^a-z0-9]+/i, "").upcase unless self.document_number.blank?
     end
diff --git a/app/views/account/show.html.erb b/app/views/account/show.html.erb
index c52219955..40cf43a59 100644
--- a/app/views/account/show.html.erb
+++ b/app/views/account/show.html.erb
@@ -1,6 +1,10 @@
 <div class="row account">
   <div class="small-12 column">
-    <%= link_to t("account.show.change_credentials_link"), edit_user_registration_path, class: "button radius small secondary right" %>
+    <div class="right text-right">
+      <%= link_to t("account.show.change_credentials_link"), edit_user_registration_path, class: "button radius small secondary" %>
+      <br>
+      <%= link_to t("account.show.erase_account_link"), users_registrations_delete_form_path, class: "delete" %>
+    </div>
 
     <%= avatar_image(@account, seed: @account.id, size: 60) %>
 
diff --git a/app/views/debates/_debate.html.erb b/app/views/debates/_debate.html.erb
index 3be675bb9..d9a4fe7d5 100644
--- a/app/views/debates/_debate.html.erb
+++ b/app/views/debates/_debate.html.erb
@@ -13,6 +13,7 @@
               <%= link_to t("debates.debate.comments", count: debate.comments_count), debate_path(debate, anchor: "comments") %>
               <span class="bullet">&nbsp;&bull;&nbsp;</span>
               <%= l debate.created_at.to_date %>
+
               <% if debate.author.hidden? %>
                 <span class="bullet">&nbsp;&bull;&nbsp;</span>
                 <span class="author">
@@ -37,6 +38,7 @@
                   <%= t("shared.collective") %>
                 </span>
               <% end %>
+
             </p>
             <div class="debate-description">
               <%= link_to debate.description, debate %>
diff --git a/app/views/users/registrations/delete_form.html.erb b/app/views/users/registrations/delete_form.html.erb
new file mode 100644
index 000000000..b19fd7e99
--- /dev/null
+++ b/app/views/users/registrations/delete_form.html.erb
@@ -0,0 +1,23 @@
+<i class="icon-angle-left left"></i>&nbsp;<%= link_to t("devise_views.users.registrations.edit.back_link"), :back, class: "left back" %>
+
+<h1><%= t("devise_views.users.registrations.delete_form.title") %></h1>
+
+<%= form_for(resource, as: resource_name,
+             url: users_registrations_path,
+             html: { method: :delete }) do |f| %>
+  <%= devise_error_messages! %>
+
+  <div class="alert-box alert radius margin-top">
+    <%= t("devise_views.users.registrations.delete_form.info") %>
+  </div>
+  <p>
+    <%= t("devise_views.users.registrations.delete_form.info_reason") %>
+  </p>
+
+  <%= f.text_field :erase_reason,
+        autofocus: true,
+        placeholder: t("devise_views.users.registrations.delete_form.erase_reason_label"),
+        label: t("devise_views.users.registrations.delete_form.erase_reason_label") %>
+
+  <%= f.submit t("devise_views.users.registrations.delete_form.submit"), class: "button radius alert expand" %>
+<% end %>
diff --git a/config/i18n-tasks.yml b/config/i18n-tasks.yml
index da441e691..ff1b5c179 100644
--- a/config/i18n-tasks.yml
+++ b/config/i18n-tasks.yml
@@ -96,6 +96,7 @@ ignore_missing:
   - 'unauthorized.*'
   - 'errors.messages.blank'
   - 'errors.messages.taken'
+  - 'devise.registrations.destroyed'
 
 ## Consider these keys used:
 ignore_unused:
diff --git a/config/locales/devise_views.en.yml b/config/locales/devise_views.en.yml
index 2c04d3ce8..2c7ef86bb 100644
--- a/config/locales/devise_views.en.yml
+++ b/config/locales/devise_views.en.yml
@@ -77,6 +77,12 @@ en:
           instructions_1_html: "Please <b>review your email inbox</b> - we have sent you a <b>link to confirm your account</b>."
           instructions_2_html: "Once you click that link, you will be able to start participating"
           back_to_index: "Understood, take me back to the home page"
+        delete_form:
+          title: "Erase account"
+          info: "This action can not be undone. Please make sure this is what you want."
+          info_reason: "If you want, leave us a reason (optional)"
+          erase_reason_label: "Reason"
+          submit: "Erase my account"
     organizations:
       registrations:
         new:
diff --git a/config/locales/devise_views.es.yml b/config/locales/devise_views.es.yml
index f2ca13215..42576b6ff 100644
--- a/config/locales/devise_views.es.yml
+++ b/config/locales/devise_views.es.yml
@@ -77,6 +77,12 @@ es:
           instructions_1_html: "Por favor <b>revisa tu correo electrónico</b> - te hemos enviado un <b>enlace para confirmar tu cuenta</b>."
           instructions_2_html: "Una vez confirmado, podrás empezar a participar."
           back_to_index: "Entendido, volver a la página principal"
+        delete_form:
+          title: "Darme de baja"
+          info: "Esta acción no se puede deshacer. Una vez que des de baja tu cuenta, no podrás volver a hacer login con ella."
+          info_reason: "Si quieres, escribe el motivo por el que te das de baja (opcional)."
+          erase_reason_label: "Razón de la baja"
+          submit: "Borrar mi cuenta"
     organizations:
       registrations:
         new:
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 8e56cd69e..db56b3e4f 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -282,6 +282,7 @@ en:
       change_credentials_link: "Change my credentials"
       email_on_comment_label: "Receive email when someone comments on my debates or proposals"
       email_on_comment_reply_label: "Receive email when someone replies to my comments"
+      erase_account_link: "Erase my account"
       personal: "Personal data"
       username_label: "Username"
       phone_number_label: "Phone number"
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 18763a895..e05ed35e9 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -282,6 +282,7 @@ es:
       change_credentials_link: "Cambiar mis datos de acceso"
       email_on_comment_label: "Recibir un email cuando alguien comenta en mis propuestas o debates"
       email_on_comment_reply_label: "Recibir un email cuando alguien contesta a mis comentarios"
+      erase_account_link: "Darme de baja"
       personal: "Datos personales"
       username_label: "Nombre de usuario"
       phone_number_label: "Teléfono"
diff --git a/config/routes.rb b/config/routes.rb
index c1a0e38ba..5e6f07c2c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,9 +1,5 @@
 Rails.application.routes.draw do
 
-  as :user do
-      match '/user/confirmation' => 'users/confirmations#update', :via => :patch, :as => :update_user_confirmation
-  end
-
   devise_for :users, controllers: {
                        registrations: 'users/registrations',
                        sessions: 'users/sessions',
@@ -22,7 +18,11 @@ Rails.application.routes.draw do
   end
 
   devise_scope :user do
+    patch '/user/confirmation', to: 'users/confirmations#update', as: :update_user_confirmation
+
     get 'users/sign_up/success', to: 'users/registrations#success'
+    get 'users/registrations/delete_form', to: 'users/registrations#delete_form'
+    delete 'users/registrations', to: 'users/registrations#delete'
     get :finish_signup, to: 'users/registrations#finish_signup'
     patch :do_finish_signup, to: 'users/registrations#do_finish_signup'
   end
@@ -60,7 +60,9 @@ Rails.application.routes.draw do
     end
   end
 
-  resource :account, controller: "account", only: [:show, :update]
+  resource :account, controller: "account", only: [:show, :update, :delete] do
+    collection { get :erase }
+  end
   resource :verification, controller: "verification", only: [:show]
 
   scope module: :verification do
diff --git a/db/migrate/20151016110703_add_erase_reason_to_users.rb b/db/migrate/20151016110703_add_erase_reason_to_users.rb
new file mode 100644
index 000000000..be88869b5
--- /dev/null
+++ b/db/migrate/20151016110703_add_erase_reason_to_users.rb
@@ -0,0 +1,5 @@
+class AddEraseReasonToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :erase_reason, :string
+  end
+end
diff --git a/db/migrate/20151019133719_remove_user_constraints.rb b/db/migrate/20151019133719_remove_user_constraints.rb
new file mode 100644
index 000000000..0f59a3d34
--- /dev/null
+++ b/db/migrate/20151019133719_remove_user_constraints.rb
@@ -0,0 +1,5 @@
+class RemoveUserConstraints < ActiveRecord::Migration
+  def change
+    change_column(:users, :email, :string, null: true, unique: true)
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 56d5a4a9f..29fda8e68 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20151015135154) do
+ActiveRecord::Schema.define(version: 20151019133719) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -257,7 +257,7 @@ ActiveRecord::Schema.define(version: 20151015135154) do
   add_index "tags", ["proposals_count"], name: "index_tags_on_proposals_count", using: :btree
 
   create_table "users", force: :cascade do |t|
-    t.string   "email",                                default: "",    null: false
+    t.string   "email",                                default: ""
     t.string   "encrypted_password",                   default: "",    null: false
     t.string   "reset_password_token"
     t.datetime "reset_password_sent_at"
@@ -294,6 +294,7 @@ ActiveRecord::Schema.define(version: 20151015135154) do
     t.string   "letter_verification_code"
     t.integer  "failed_census_calls_count",            default: 0
     t.datetime "level_two_verified_at"
+    t.string   "erase_reason"
   end
 
   add_index "users", ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true, using: :btree
diff --git a/spec/features/account_spec.rb b/spec/features/account_spec.rb
index e0249072c..029864ec9 100644
--- a/spec/features/account_spec.rb
+++ b/spec/features/account_spec.rb
@@ -81,4 +81,20 @@ feature 'Account' do
 
     expect(page).to have_content error_message
   end
+
+  scenario 'Erasing account' do
+    visit account_path
+
+    click_link 'Erase my account'
+
+    fill_in 'user_erase_reason', with: 'a test'
+
+    click_button 'Erase my account'
+
+    expect(page).to have_content "Your account has been successfully cancelled"
+
+    login_through_form_as(@user)
+
+    expect(page).to have_content "Invalid email or password"
+  end
 end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 14f20ad1d..2e92ced35 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -302,4 +302,36 @@ describe User do
 
   end
 
+  describe "#erase" do
+    it "anonymizes a user and marks him as hidden" do
+      user = create(:user,
+                     username: "manolo",
+                     unconfirmed_email: "a@a.com",
+                     document_number: "1234",
+                     phone_number: "5678",
+                     encrypted_password: "foobar",
+                     confirmation_token: "token1",
+                     reset_password_token: "token2",
+                     email_verification_token: "token3")
+      user.erase('a test')
+      user.reload
+
+      expect(user.erase_reason).to eq('a test')
+      expect(user.hidden_at).to be
+
+      expect(user.username).to be_nil
+
+      expect(user.email).to be_nil
+      expect(user.unconfirmed_email).to be_nil
+      expect(user.document_number).to be_nil
+      expect(user.phone_number).to be_nil
+
+      expect(user.encrypted_password).to be_empty
+
+      expect(user.confirmation_token).to be_nil
+      expect(user.reset_password_token).to be_nil
+      expect(user.email_verification_token).to be_nil
+    end
+  end
+
 end