diff --git a/app/assets/javascripts/user_attribute_form.js b/app/assets/javascripts/user_attribute_form.js
deleted file mode 100644
index 3af8dc01..00000000
--- a/app/assets/javascripts/user_attribute_form.js
+++ /dev/null
@@ -1,10 +0,0 @@
-var new_one = $('fieldset #new_one').clone();
-$('fieldset #new_one').remove();
-
-$('fieldset a.remove').live( "click", function(){
-	$(this).parent().remove();
-});
-
-$('fieldset a.add').click(function(){
-	new_one.clone().appendTo( $('fieldset') );
-})
\ No newline at end of file
diff --git a/app/controllers/admin/user_attributes_controller.rb b/app/controllers/admin/user_attributes_controller.rb
deleted file mode 100644
index c7021c74..00000000
--- a/app/controllers/admin/user_attributes_controller.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-class Admin::UserAttributesController < ApplicationController
-  
-  layout "admin"
-  before_filter :authenticate_user!
-
-  def index
-    @user_attributes = UserAttribute.all
-  end
-  
-  def show
-    @user_attribute = UserAttribute.find(params[:id])
-  end
-  
-  def new
-    @user_attribute = UserAttribute.new
-  end
-  
-  def edit
-    @user_attribute = UserAttribute.find(params[:id])
-  end
-  
-  def create
-    @user_attribute = UserAttribute.new(params[:user_attribute])
-    @user_attribute.save
-    
-    redirect_to :action => :index
-  end
-  
-  def update
-    @user_attribute = UserAttribute.find(params[:id])
-    @user_attribute.update_attributes(params[:user_attribute])
-    
-    redirect_to :action => :index
-  end
-  
-  def destroy
-    @user_attribute = UserAttribute.find(params[:id])
-    @user_attribute.destroy
-    
-    redirect_to :action => :index
-  end
-  
-end
diff --git a/app/views/admin/user_attributes/_form.html.erb b/app/views/admin/user_attributes/_form.html.erb
deleted file mode 100644
index 98953d2c..00000000
--- a/app/views/admin/user_attributes/_form.html.erb
+++ /dev/null
@@ -1,32 +0,0 @@
-<p>
-	<%= f.label :name %>
-	<%= f.text_field :name %>
-</p>
-
-<fieldset>
-	<% @user_attribute.attrs.each_with_index do |attr, i| %>
-	<p>
-		<label><%= attr["key"] %></label>
-		<%= hidden_field_tag "user_attribute[attrs][][key]", attr["key"] %>
-		<%= text_field_tag "user_attribute[attrs][][name]", attr["name"] %>
-		<%= select_tag "user_attribute[attrs][][type]", options_for_select(["text_field", "select"], attr["type"]) %>
-		<a href="#" class="remove">(remove)</a>
-	</p>
-	<% end -%>
-
-	<p id="newone">
-		<label>Key</label>
-		<%= text_field_tag "user_attribute[attrs][][key]", "" %>
-		<label>Name</label>
-		<%= text_field_tag "user_attribute[attrs][][name]", "" %>
-		<%= select_tag "user_attribute[attrs][][type]", options_for_select(["text_field"], "") %>
-		<a href="#" class="remove">(remove)</a>
-	</p>
-
-	<a href="#" class="add">(add)</a>
-
-</fieldset>
-
-<% content_for :page_specific_javascript do %>
-	<%= javascript_include_tag "user_attribute_form" %>
-<% end -%>
\ No newline at end of file
diff --git a/app/views/admin/user_attributes/edit.html.erb b/app/views/admin/user_attributes/edit.html.erb
deleted file mode 100644
index 1bc86bc4..00000000
--- a/app/views/admin/user_attributes/edit.html.erb
+++ /dev/null
@@ -1,12 +0,0 @@
-
-<h1>Editing user attribute: <%= @user_attribute.key %></h1>
-
-<% form_for @user_attribute, :url => admin_user_attribute_path(@user_attribute) do |f| %>
-
-    <%= render :partial => "form", :locals => { :f => f } %>
-   
-    <p>
-    <%= f.submit %>
-    </p>
-    
-<% end -%>
diff --git a/app/views/admin/user_attributes/index.html.erb b/app/views/admin/user_attributes/index.html.erb
deleted file mode 100644
index c9fe93b4..00000000
--- a/app/views/admin/user_attributes/index.html.erb
+++ /dev/null
@@ -1,23 +0,0 @@
-<h1>Listing user attributes</h1>
-
-<table>
-  <tr>
-      <th>名稱</th>
-      <th>Key</th>
-      <th></th>
-      <th></th>
-  </tr>
-
-<% @user_attributes.each do |user_attribute| %>
-  <tr>
-    <td><%= user_attribute.name %></td>
-    <td><%= user_attribute.key %></td>
-    <td><%= link_to t(:edit), edit_admin_user_attribute_path(user_attribute) %></td>
-    <td><%= link_to t(:delete), admin_user_attribute_path(user_attribute), :confirm => 'Are you sure?', :method => :delete %></td>
-  </tr>
-<% end %>
-</table>
-
-<br />
-
-<%= link_to t(:new_user_attribute, :scope => :admin), new_admin_user_attribute_path, :class => 'button positive' %>
\ No newline at end of file
diff --git a/app/views/admin/user_attributes/new.html.erb b/app/views/admin/user_attributes/new.html.erb
deleted file mode 100644
index c2ada3c1..00000000
--- a/app/views/admin/user_attributes/new.html.erb
+++ /dev/null
@@ -1,17 +0,0 @@
-
-<h1>New user attribute: <%= @user_attribute.key %></h1>
-
-<% form_for @user_attribute, :url => admin_user_attributes_path do |f| %>
-
-    <p>
-        <%= f.label :key, "Key" %>
-        <%= f.text_field :key %>
-    </p>
-    
-    <%= render :partial => "form", :locals => { :f => f } %>
-   
-    <p>
-    <%= f.submit %>
-    </p>
-    
-<% end -%>