diff --git a/ChangeLog b/ChangeLog
index d22b9eef26..cff07e679a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Mar 15 18:54:03 2014  Kazuki Tsujimoto  <kazuki@callcc.net>
+
+	* ext/.document: remove refinement from documentable directories.
+
 Sat Mar 15 11:02:58 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (DLDFLAGS): check for each options to control
diff --git a/ext/.document b/ext/.document
index 3ec93005b8..25b3327647 100644
--- a/ext/.document
+++ b/ext/.document
@@ -89,7 +89,6 @@ pty/lib
 pty/pty.c
 racc/cparse/cparse.c
 readline/readline.c
-refinement/refinement.c
 ripper/lib
 ripper/ripper.c
 sdbm/init.c