diff --git a/ChangeLog b/ChangeLog
index 0568ba6dd8..6b58655106 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri May 18 05:36:08 2001  Akinori MUSHA  <knu@iDaemons.org>
+
+	* ext/extmk.rb.in (xsystem): backout the previous fix which was
+	  bogus.
+
 Fri May 18 05:19:55 2001  Akinori MUSHA  <knu@iDaemons.org>
 
 	* lib/mkmf.rb (xsystem): make a temporary fix to get $(...) macros
diff --git a/ext/extmk.rb.in b/ext/extmk.rb.in
index fa3921c2c2..9e454cc429 100644
--- a/ext/extmk.rb.in
+++ b/ext/extmk.rb.in
@@ -82,7 +82,6 @@ end
 $orgerr = $stderr.dup
 $orgout = $stdout.dup
 def xsystem command
-  Config.expand(command)
   if $DEBUG
     puts command
     return system(command)