diff --git a/actionpack/lib/action_view/lookup_context.rb b/actionpack/lib/action_view/lookup_context.rb
index b7945a23be..00989ec405 100644
--- a/actionpack/lib/action_view/lookup_context.rb
+++ b/actionpack/lib/action_view/lookup_context.rb
@@ -24,7 +24,7 @@ module ActionView
       Accessors.send :define_method, :"default_#{name}", &block
       Accessors.module_eval <<-METHOD, __FILE__, __LINE__ + 1
         def #{name}
-          @details[:#{name}]
+          @details.fetch(:#{name}, [])
         end
 
         def #{name}=(value)
diff --git a/actionpack/lib/action_view/renderer/template_renderer.rb b/actionpack/lib/action_view/renderer/template_renderer.rb
index 82892593f8..3c1b11396a 100644
--- a/actionpack/lib/action_view/renderer/template_renderer.rb
+++ b/actionpack/lib/action_view/renderer/template_renderer.rb
@@ -18,10 +18,10 @@ module ActionView
 
     # Determine the template to be rendered using the given options.
     def determine_template(options) #:nodoc:
-      keys = options[:locals].try(:keys) || []
+      keys = options.fetch(:locals, {}).keys
 
       if options.key?(:text)
-        Template::Text.new(options[:text], formats.try(:first))
+        Template::Text.new(options[:text], formats.first)
       elsif options.key?(:file)
         with_fallbacks { find_template(options[:file], nil, false, keys, @details) }
       elsif options.key?(:inline)