class Devise::SessionsController

def respond_to_on_destroy
  # 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 after_sign_out_path_for(resource_name), status: Devise.responder.redirect_status }
  end
end