class Devise::SessionsController

def destroy
  redirect_path = after_sign_out_path_for(resource_name)
  signed_out = (Devise.sign_out_all_scopes ? sign_out : sign_out(resource_name))
  set_flash_message :notice, :signed_out if signed_out && is_navigational_format?
  # We actually need to hardcode this as Rails default responder doesn't
  # support returning empty response on GET request
  respond_to do |format|
    format.all { head :no_content }
    format.any(*navigational_formats) { redirect_to redirect_path }
  end
end