remove respond_to in favor of an implementation that returns options

app/controllers/devise_controller.rb

@@ -147,12 +147,16 @@ MESSAGE
     flash[key] = message if message.present?
   end
 
+  def devise_i18n_options(options)
+    options
+  end
+
   # Get message for given
   def find_message(kind, options = {})
     options[:scope] = "devise.#{controller_name}"
     options[:default] = Array(options[:default]).unshift(kind.to_sym)
     options[:resource_name] = resource_name
-    options = devise_i18n_options(options) if respond_to?(:devise_i18n_options, true)
+    options = devise_i18n_options(options)
     I18n.t("#{options[:resource_name]}.#{kind}", options)
   end
 

lib/devise/failure_app.rb

@@ -64,6 +64,10 @@ module Devise
 
   protected
 
+    def i18n_options(options)
+      options
+    end
+
     def i18n_message(default = nil)
       message = warden_message || default || :unauthenticated
 
@@ -72,7 +76,7 @@ module Devise
         options[:resource_name] = scope
         options[:scope] = "devise.failure"
         options[:default] = [message]
-        options = i18n_options(options) if respond_to?(:i18n_options, true)
+        options = i18n_options(options)
 
         I18n.t(:"#{scope}.#{message}", options)
       else