diff --git a/ChangeLog b/ChangeLog
index deeda74ee7..6413f78d58 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Nov  2 23:08:08 2008  Masaki Suketa  <masaki.suketa@nifty.ne.jp>
+
+	* test/win32ole/test_err_in_callback.rb: add teardown.
+
 Sun Nov  2 22:12:41 2008  Masaki Suketa  <masaki.suketa@nifty.ne.jp>
 
 	* ext/win32ole/win32ole.c (ole_event_free): invoke IConnectionPoint::Unadvise
diff --git a/test/win32ole/test_err_in_callback.rb b/test/win32ole/test_err_in_callback.rb
index d686aa23df..bbbab719d6 100644
--- a/test/win32ole/test_err_in_callback.rb
+++ b/test/win32ole/test_err_in_callback.rb
@@ -36,5 +36,9 @@ if defined?(WIN32OLE)
       end
     end
 
+    def teardown
+      File.unlink("test_err_in_callback.log")
+    end
+
   end
 end