diff --git a/ChangeLog b/ChangeLog
index 76e97bee49..535293f2d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Apr 20 23:01:35 2005  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* win32/ifchange.bat: delete testing files.
+
 Wed Apr 20 22:54:54 2005  Minero Aoki  <aamine@loveruby.net>
 
 	* lib/net/http.rb: new method Net::HTTP.post_form.
diff --git a/win32/ifchange.bat b/win32/ifchange.bat
index 61a80c841b..4fca646ea2 100755
--- a/win32/ifchange.bat
+++ b/win32/ifchange.bat
@@ -6,6 +6,8 @@ echo foo > conftest1.tmp
 echo bar > conftest2.tmp
 fc.exe conftest1.tmp conftest2.tmp > nul
 if not errorlevel 1 goto :brokenfc
+del conftest1.tmp > nul
+del conftest2.tmp > nul
 
 :: target does not exist or new file differs from it.
 if not exist %1 goto :update