diff --git a/ChangeLog b/ChangeLog
index 43ca8b13af..4a360fe24f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat May 16 18:36:01 2009  Kouhei Sutou  <kou@cozmixng.org>
+
+	* test/rss/test_maker_atom_feed.rb: suppress warnings.
+
 Sat May 16 18:33:15 2009  Kouhei Sutou  <kou@cozmixng.org>
 
 	* NEWS: add RSS::Maker.supported?(version).
diff --git a/test/rss/test_maker_atom_feed.rb b/test/rss/test_maker_atom_feed.rb
index 724763b881..58a55c43ff 100644
--- a/test/rss/test_maker_atom_feed.rb
+++ b/test/rss/test_maker_atom_feed.rb
@@ -422,7 +422,7 @@ module RSS
         end
       end
       assert_equal(date, feed.items[0].updated.content)
-      assert_equal([date], feed.items[0].dc_dates.collect {|date| date.value})
+      assert_equal([date], feed.items[0].dc_dates.collect {|_date| _date.value})
     end
 
     def test_channel_dc_date
@@ -434,7 +434,7 @@ module RSS
         setup_dummy_item_atom(maker)
       end
       assert_equal(date, feed.updated.content)
-      assert_equal([date], feed.dc_dates.collect {|date| date.value})
+      assert_equal([date], feed.dc_dates.collect {|_date| _date.value})
     end
 
     def test_item_dc_date
@@ -448,7 +448,7 @@ module RSS
         end
       end
       assert_equal(date, feed.items[0].updated.content)
-      assert_equal([date], feed.items[0].dc_dates.collect {|date| date.value})
+      assert_equal([date], feed.items[0].dc_dates.collect {|_date| _date.value})
     end
   end
 end