diff --git a/ChangeLog b/ChangeLog
index 2364d0c2d8..48f8d61e19 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Dec  8 22:33:26 2012  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* eval.c: remove Module#refinements.
+
+	* test/ruby/test_refinement.rb: remove tests for Module#refinements.
+
 Sat Dec  8 13:17:55 2012  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* eval.c (top_using): raise a RuntimeError if using is called in a
diff --git a/eval.c b/eval.c
index d0dcdddc6b..532bbccc0e 100644
--- a/eval.c
+++ b/eval.c
@@ -1237,37 +1237,6 @@ rb_mod_refine(VALUE module, VALUE klass)
     return refinement;
 }
 
-static int
-refinements_i(VALUE key, VALUE value, VALUE arg)
-{
-    rb_hash_aset(arg, key, value);
-    return ST_CONTINUE;
-}
-
-/*
- *  call-seq:
- *     refinements -> hash
- *
- *  Returns refinements in the receiver as a hash table, whose key is a
- *  refined class and whose value is a refinement module.
- */
-
-static VALUE
-rb_mod_refinements(VALUE module)
-{
-    ID id_refinements;
-    VALUE refinements, result;
-
-    CONST_ID(id_refinements, "__refinements__");
-    refinements = rb_attr_get(module, id_refinements);
-    if (NIL_P(refinements)) {
-	return rb_hash_new();
-    }
-    result = rb_hash_new();
-    rb_hash_foreach(refinements, refinements_i, result);
-    return result;
-}
-
 void
 rb_obj_call_init(VALUE obj, int argc, VALUE *argv)
 {
@@ -1619,7 +1588,6 @@ ruby_Init_refinement(void)
 {
     rb_define_private_method(rb_cModule, "refine", rb_mod_refine, 1);
     rb_undef_method(rb_cClass, "refine");
-    rb_define_method(rb_cModule, "refinements", rb_mod_refinements, 0);
     rb_define_private_method(rb_singleton_class(rb_vm_top_self()),
 			     "using", top_using, 1);
 }
diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 016aa15f19..a956535f60 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -407,52 +407,6 @@ class TestRefinement < Test::Unit::TestCase
     end
   end
 
-  def test_refinements_empty
-    m = Module.new
-    assert(m.refinements.empty?)
-  end
-
-  def test_refinements_one
-    c = Class.new
-    c_ext = nil
-    m = Module.new {
-      refine c do
-        c_ext = self
-      end
-    }
-    assert_equal({c => c_ext}, m.refinements)
-  end
-
-  def test_refinements_two
-    c1 = Class.new
-    c1_ext = nil
-    c2 = Class.new
-    c2_ext = nil
-    m = Module.new {
-      refine c1 do
-        c1_ext = self
-      end
-
-      refine c2 do
-        c2_ext = self
-      end
-    }
-    assert_equal({c1 => c1_ext, c2 => c2_ext}, m.refinements)
-  end
-
-  def test_refinements_duplicate_refine
-    c = Class.new
-    c_ext = nil
-    m = Module.new {
-      refine c do
-        c_ext = self
-      end
-      refine c do
-      end
-    }
-    assert_equal({c => c_ext}, m.refinements)
-  end
-
   def test_refine_without_block
     c1 = Class.new
     e = assert_raise(ArgumentError) {
@@ -465,26 +419,13 @@ class TestRefinement < Test::Unit::TestCase
 
   module Inspect
     module M
-      refine Fixnum do
-      end
+      Fixnum = refine(Fixnum) {}
     end
   end
 
   def test_inspect
     assert_equal("#<refinement:Fixnum@TestRefinement::Inspect::M>",
-                 Inspect::M.refinements[Fixnum].inspect)
-
-    c = Class.new
-    m = Module.new {
-      refine String do
-      end
-      refine c do
-      end
-    }
-    assert_equal("#<refinement:String@#{m.inspect}>",
-                 m.refinements[String].inspect)
-    assert_equal("#<refinement:#{c.inspect}@#{m.inspect}>",
-                 m.refinements[c].inspect)
+                 Inspect::M::Fixnum.inspect)
   end
 
   def test_using_method_cache