diff --git a/ChangeLog b/ChangeLog
index f100dbcbfb..452cd82dbd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Aug 25 23:22:14 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* include/ruby/encoding.h: remove unused rb_enc_ismbchar().
+
 Sat Aug 25 22:50:14 2007  Masaki Suketa  <masaki.suketa@nifty.ne.jp>
 
 	* ext/win32ole/win32ole.c (ole_event_free, EVENTSINK_Destructor,
diff --git a/include/ruby/encoding.h b/include/ruby/encoding.h
index d23238a186..0fd2e3ce52 100644
--- a/include/ruby/encoding.h
+++ b/include/ruby/encoding.h
@@ -53,8 +53,6 @@ rb_encoding * rb_enc_find(const char *name);
 #define rb_enc_mbclen(p,enc) ONIGENC_MBC_ENC_LEN(enc, (UChar*)p)
 #define rb_enc_codelen(c,enc) ONIGENC_CODE_TO_MBCLEN(enc,c)
 
-#define rb_enc_ismbchar(c,enc) (rb_enc_mbclen((&c), enc) != 1)
-
 /* code,ptr,encoding -> write buf */
 #define rb_enc_mbcput(c,buf,enc) ONIGENC_CODE_TO_MBC(enc,c,(UChar*)buf)
 
diff --git a/version.h b/version.h
index b695821941..a547ec3599 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2007-08-25"
+#define RUBY_RELEASE_DATE "2007-08-26"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20070825
+#define RUBY_RELEASE_CODE 20070826
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2007
 #define RUBY_RELEASE_MONTH 8
-#define RUBY_RELEASE_DAY 25
+#define RUBY_RELEASE_DAY 26
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];