diff --git a/ChangeLog b/ChangeLog
index bb37a3ee4d..411038df0e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Wed Oct 21 09:04:09 2015  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* include/ruby/util.h: remove a warning suppression C4723
+	  (potential divide by zero) for VisualC++. It's meaningless.
+	  Before r26197, there is ruby_div0() in this place and it
+	  actually made divide by zero. But now it's just garbage.
+
 Wed Oct 21 08:23:36 2015  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* random.c: random_raw_seed don't use GRND_NONBLOCK. GRND_NONBLOCK
diff --git a/include/ruby/util.h b/include/ruby/util.h
index 10cccb4876..e9343b3390 100644
--- a/include/ruby/util.h
+++ b/include/ruby/util.h
@@ -80,14 +80,6 @@ double ruby_strtod(const char *, char **);
 #undef strtod
 #define strtod(s,e) ruby_strtod((s),(e))
 
-#if defined _MSC_VER && _MSC_VER >= 1300
-#pragma warning(push)
-#pragma warning(disable:4723)
-#endif
-#if defined _MSC_VER && _MSC_VER >= 1300
-#pragma warning(pop)
-#endif
-
 void ruby_each_words(const char *, void (*)(const char*, int, void*), void *);
 
 RUBY_SYMBOL_EXPORT_END