diff --git a/ChangeLog b/ChangeLog
index 0f612c213d..31fe37fb27 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jun  9 10:58:48 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* Makefile.in, win32/Makefile.sub (RMALL): need for distclean-rdoc.
+
 Tue Jun  9 01:07:33 2009  Koichi Sasada  <ko1@atdot.net>
 
 	* thread.c: rename functions which require a parameter
diff --git a/Makefile.in b/Makefile.in
index e80d312f63..9da6eb80d0 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -101,6 +101,7 @@ CP            = cp
 MV            = mv
 RM            = rm -f
 RMDIRS        = @RMDIRS@
+RMALL         = @RMALL@
 NM            = @NM@
 AR            = @AR@
 ARFLAGS       = rcu
diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index a85ea4a139..c9d458220d 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -70,6 +70,7 @@ AUTOCONF = autoconf
 IFCHANGE = $(COMSPEC) /C $(srcdir:/=\)\win32\ifchange.bat
 RM = $(COMSPEC) /C $(srcdir:/=\)\win32\rm.bat
 RMDIRS = $(COMSPEC) /C $(srcdir:/=\)\win32\rmdirs.bat
+RMALL = $(COMSPEC) /C rmdir /s /q
 CP = copy > nul
 MV = move > nul
 !if !defined(BASERUBY)