diff --git a/ChangeLog b/ChangeLog
index d6a636e72c..41add16ad8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,9 +1,3 @@
-Mon Jan 27 21:53:45 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
-
-	* thread_pthread.c: get current main thread stack size, which may
-	  be expanded than allocated size at initialization, by rlimit().
-	  [ruby-core:60113] [Bug #9454]
-
 Mon Jan 27 21:52:55 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* thread_pthread.c: get current main thread stack size, which may