<%= form_for(resource, :as => resource_name, :url => registration_path(resource_name), :html => { :method => :put }) do |f| %> <%= devise_error_messages! %>

<%= f.label :email %> <%= f.email_field :email %>

<%= f.label :password %> (leave blank if you don't want to change it)
<%= f.password_field :password %>

<%= f.label :password_confirmation %> <%= f.password_field :password_confirmation %>

<%= f.label :current_password %> (we need your current password to confirm your changes)
<%= f.password_field :current_password %>

<%= f.submit "Update", :class=> 'btn btn-primary'%> <%= button_tag "Cancel", :confirm => 'Are you sure? Any changes will be lost.', :class => 'btn', :type => 'submit', :name => 'commit', :value => 'cancel' %>

<% end %>

Unhappy?

<%= button_to "Cancel my account", registration_path(resource_name), :confirm => "Are you sure?", :method => :delete, :class =>'btn btn-danger' %>