diff --git a/ChangeLog b/ChangeLog
index 80df804f4c..e723b74b70 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sun Sep 18 22:48:54 2016  Kouhei Sutou  <kou@cozmixng.org>
+
+	* lib/rss/rss.rb (RSS::BaseModel): Remove needless codes.
+	  [Bug #12773][ruby-dev:49813]
+	  Reported by Kazuhiro NISHIYAMA. Thanks!!!
+
 Sun Sep 18 19:23:47 2016  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 
 	* lib/sync.rb: Fix NameError when error.
diff --git a/lib/rss/rss.rb b/lib/rss/rss.rb
index 5b9c5d4745..d161366f92 100644
--- a/lib/rss/rss.rb
+++ b/lib/rss/rss.rb
@@ -326,7 +326,6 @@ EOC
 
     def inherit_convert_attr_reader(*attrs)
       attrs.each do |attr|
-        attr = attr.id2name if attr.kind_of?(Integer)
         module_eval(<<-EOC, *get_file_and_line_from_caller(2))
         def #{attr}_without_inherit
           convert(@#{attr})
@@ -347,7 +346,6 @@ EOC
 
     def uri_convert_attr_reader(*attrs)
       attrs.each do |attr|
-        attr = attr.id2name if attr.kind_of?(Integer)
         module_eval(<<-EOC, *get_file_and_line_from_caller(2))
         def #{attr}_without_base
           convert(@#{attr})
@@ -368,7 +366,6 @@ EOC
 
     def convert_attr_reader(*attrs)
       attrs.each do |attr|
-        attr = attr.id2name if attr.kind_of?(Integer)
         module_eval(<<-EOC, *get_file_and_line_from_caller(2))
         def #{attr}
           convert(@#{attr})
@@ -379,7 +376,6 @@ EOC
 
     def yes_clean_other_attr_reader(*attrs)
       attrs.each do |attr|
-        attr = attr.id2name if attr.kind_of?(Integer)
         module_eval(<<-EOC, __FILE__, __LINE__ + 1)
           attr_reader(:#{attr})
           def #{attr}?
@@ -391,7 +387,6 @@ EOC
 
     def yes_other_attr_reader(*attrs)
       attrs.each do |attr|
-        attr = attr.id2name if attr.kind_of?(Integer)
         module_eval(<<-EOC, __FILE__, __LINE__ + 1)
           attr_reader(:#{attr})
           def #{attr}?
@@ -409,7 +404,6 @@ EOC
       end
       separator ||= ", "
       attrs.each do |attr|
-        attr = attr.id2name if attr.kind_of?(Integer)
         module_eval(<<-EOC, __FILE__, __LINE__ + 1)
           attr_reader(:#{attr})
           def #{attr}_content