diff --git a/ChangeLog b/ChangeLog
index 21758766b4..b03850227d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jan 15 18:05:26 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* enc/utf_8.c (ONIG_ENCODING_UTF8): reverted.
+
 Tue Jan 15 18:01:55 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* win32/Makefile.sub (MKFILES): add dependecies.
diff --git a/enc/utf_8.c b/enc/utf_8.c
index 8cb38b5c99..458cf54cee 100644
--- a/enc/utf_8.c
+++ b/enc/utf_8.c
@@ -29,10 +29,6 @@
 
 #include "regenc.h"
 
-OnigEncodingDeclare(UTF_8);
-#undef ONIG_ENCODING_UTF8
-#define ONIG_ENCODING_UTF8 (&OnigEncodingName(UTF_8))
-
 #define USE_INVALID_CODE_SCHEME
 
 #ifdef USE_INVALID_CODE_SCHEME