diff --git a/ChangeLog b/ChangeLog
index 8a43232857..b2431d73e7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Aug 22 11:39:31 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* intern.h (is_ruby_native_thread): removed since declared as an int
+	  function in ruby.h already.
+
 Wed Aug 22 11:00:20 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* lib/mkmf.rb (init_mkmf): should remove mkmf.log too.
diff --git a/intern.h b/intern.h
index 13583f39e9..47da14bb7a 100644
--- a/intern.h
+++ b/intern.h
@@ -224,7 +224,6 @@ VALUE rb_thread_local_aref _((VALUE, ID));
 VALUE rb_thread_local_aset _((VALUE, ID, VALUE));
 void rb_thread_atfork _((void));
 VALUE rb_funcall_rescue __((VALUE, ID, int, ...));
-VALUE is_ruby_native_thread _((void));
 /* file.c */
 VALUE rb_file_s_expand_path _((int, VALUE *));
 VALUE rb_file_expand_path _((VALUE, VALUE));
diff --git a/version.h b/version.h
index 99237469a1..62c7d96a60 100644
--- a/version.h
+++ b/version.h
@@ -2,7 +2,7 @@
 #define RUBY_RELEASE_DATE "2007-08-22"
 #define RUBY_VERSION_CODE 186
 #define RUBY_RELEASE_CODE 20070822
-#define RUBY_PATCHLEVEL 77
+#define RUBY_PATCHLEVEL 78
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8