diff --git a/activesupport/lib/active_support/core_ext/module/attribute_accessors_per_thread.rb b/activesupport/lib/active_support/core_ext/module/attribute_accessors_per_thread.rb
index b59837401c..d05b23f8a1 100644
--- a/activesupport/lib/active_support/core_ext/module/attribute_accessors_per_thread.rb
+++ b/activesupport/lib/active_support/core_ext/module/attribute_accessors_per_thread.rb
@@ -33,7 +33,7 @@ class Module
   #   end
   #
   #   Current.new.user # => NoMethodError
-  def thread_mattr_reader(*syms)
+  def thread_mattr_reader(*syms) # :nodoc:
     options = syms.extract_options!
 
     syms.each do |sym|
@@ -73,7 +73,7 @@ class Module
   #   end
   #
   #   Current.new.user = "DHH" # => NoMethodError
-  def thread_mattr_writer(*syms)
+  def thread_mattr_writer(*syms) # :nodoc:
     options = syms.extract_options!
     syms.each do |sym|
       raise NameError.new("invalid attribute name: #{sym}") unless sym =~ /^[_A-Za-z]\w*$/