diff --git a/ChangeLog b/ChangeLog
index 4949ed4d14..4397740080 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Dec  3 21:18:27 2008  Tadayoshi Funaba  <tadf@dotrb.org>
+
+	* test/ruby/test_rational.rb: revert.
+
 Wed Dec  3 14:48:52 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/tk/tcltklib.c (ip_ruby_cmd, ip_invoke_with_position): must
diff --git a/test/ruby/test_rational.rb b/test/ruby/test_rational.rb
index 4c031b9848..5758749d5e 100644
--- a/test/ruby/test_rational.rb
+++ b/test/ruby/test_rational.rb
@@ -129,9 +129,6 @@ class Rational_Test < Test::Unit::TestCase
     assert_raise(ArgumentError){Rational(Object.new)}
     assert_raise(ArgumentError){Rational()}
     assert_raise(ArgumentError){Rational(1,2,3)}
-
-    assert_equal(Complex(Rational(1, 2), Rational(1, 2)), Rational(Complex(1, 1), Complex(2, 0)))
-    assert_instance_of(Numeric, Rational.class_eval { convert(Numeric.new) })
   end
 
   def test_attr