diff --git a/.cvsignore b/.cvsignore
deleted file mode 100644
index aa1a46e..0000000
--- a/.cvsignore
+++ /dev/null
@@ -1 +0,0 @@
-wkf-1.3.11.tar.bz2
diff --git a/Makefile b/Makefile
deleted file mode 100644
index a5256fe..0000000
--- a/Makefile
+++ /dev/null
@@ -1,21 +0,0 @@
-# Makefile for source rpm: wkf
-# $Id$
-NAME := wkf
-SPECFILE = $(firstword $(wildcard *.spec))
-
-define find-makefile-common
-for d in common ../common ../../common ; do if [ -f $$d/Makefile.common ] ; then if [ -f $$d/CVS/Root -a -w $$/Makefile.common ] ; then cd $$d ; cvs -Q update ; fi ; echo "$$d/Makefile.common" ; break ; fi ; done
-endef
-
-MAKEFILE_COMMON := $(shell $(find-makefile-common))
-
-ifeq ($(MAKEFILE_COMMON),)
-# attept a checkout
-define checkout-makefile-common
-test -f CVS/Root && { cvs -Q -d $$(cat CVS/Root) checkout common && echo "common/Makefile.common" ; } || { echo "ERROR: I can't figure out how to checkout the 'common' module." ; exit -1 ; } >&2
-endef
-
-MAKEFILE_COMMON := $(shell $(checkout-makefile-common))
-endif
-
-include $(MAKEFILE_COMMON)
diff --git a/dead.package b/dead.package
new file mode 100644
index 0000000..74aba09
--- /dev/null
+++ b/dead.package
@@ -0,0 +1,4 @@
+2010-07-14 Mamoru Tasaka <mtasaka@ioa.s.u-tokyo.ac.jp>
+
+- This package is used only by mfiler2, and I removed mfiler2
+  from distribution.
diff --git a/sources b/sources
deleted file mode 100644
index 56ba14b..0000000
--- a/sources
+++ /dev/null
@@ -1 +0,0 @@
-a48f7744d1fbbcdad45ce877cfc6e0f3  wkf-1.3.11.tar.bz2
diff --git a/wkf-1.3.11-func-declaration.patch b/wkf-1.3.11-func-declaration.patch
deleted file mode 100644
index c07beee..0000000
--- a/wkf-1.3.11-func-declaration.patch
+++ /dev/null
@@ -1,22 +0,0 @@
---- wkf-1.3.11/functions.h.debug	2005-04-05 17:26:56.000000000 +0900
-+++ wkf-1.3.11/functions.h	2008-04-03 23:43:07.000000000 +0900
-@@ -56,4 +56,7 @@
- extern void	setOutputStringBuffer(String, unsigned int);
- extern conv_t	convertKanjiCode(kcode_t, kcode_t);
- 
-+/* strlcpy.c */
-+extern size_t   strlcpy(char *dst, const char *src, size_t siz);
-+
- #endif	/* _FUNCTIONS_H */
---- wkf-1.3.11/wkf.c.debug	2007-07-06 01:35:21.000000000 +0900
-+++ wkf-1.3.11/wkf.c	2008-04-03 23:47:06.000000000 +0900
-@@ -44,6 +44,9 @@
- #include "config.h"
- #endif	/* HAVE_CONFIG_H */
- 
-+/* For asprintf */
-+#define _GNU_SOURCE
-+
- #include <stdio.h>
- #include <stdlib.h>
- #ifndef _WIN32
diff --git a/wkf.spec b/wkf.spec
deleted file mode 100644
index 7209b30..0000000
--- a/wkf.spec
+++ /dev/null
@@ -1,116 +0,0 @@
-Name:		wkf
-Version:	1.3.11
-Release:	2%{?dist}
-Summary:	Japanese Kanji code converting filter
-
-Group:		System Environment/Libraries
-License:	BSD
-URL:		http://www.mysticwall.com/software/wkf/
-Source0:	http://www.mysticwall.com/download/%{name}-%{version}.tar.bz2
-Patch0:		wkf-1.3.11-func-declaration.patch
-BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-
-BuildRequires:	groff
-Requires:	%{name}-libs = %{version}-%{release}
-
-%description
-WKF is a Japanese Kanji code converting filter.
-
-
-%package	libs
-Summary:	Libraries for WKF filter
-Group:		System Environment/Libraries
-
-%description	libs
-WKF is a Japanese Kanji code converting filter.
-This package contains shared libraries for WKF.
-
-
-%package	devel
-Summary:	Development files for %{name}
-Group:		Development/Libraries
-Requires:	%{name}-libs = %{version}-%{release}
-
-%description    devel
-The %{name}-devel package contains libraries and header files for
-developing applications that use %{name}.
-
-
-%prep
-%setup -q
-%patch0 -p1 -b .func_declare
-
-for f in \
-	API \
-	HISTORY \
-	JAPANESE \
-	README \
-	wkf.1
-	do
-	iconv -f EUC-JP -t UTF-8 $f > $f.tmp && \
-		( touch -r $f $f.tmp ; %{__mv} -f $f.tmp $f ) || \
-		%{__rm} -f $f.tmp
-done
-
-%build
-%configure --disable-static
-%{__make} %{?_smp_mflags} \
-	CC="%{__cc} %{optflags} -Werror-implicit-function-declaration"
-
-
-%install
-%{__rm} -rf $RPM_BUILD_ROOT
-
-# Use %%makeinstall
-%makeinstall \
-	INSTALL="%{__install} -p" \
-	INSTALL_PROGRAM="%{__install} -p" \
-	INSTALL_DATA="%{__install} -p -m 0644" \
-	RM="%{__rm} -f"
-
-%{__chmod} 0755 $RPM_BUILD_ROOT%{_libdir}/libwkf*.so.*
-find $RPM_BUILD_ROOT -name '*.la' -or -name '*.a' \
-	-exec %{__rm} -f {} ';'
-
-%clean
-%{__rm} -rf $RPM_BUILD_ROOT
-
-%check
-%{__make} test
-
-%post libs -p /sbin/ldconfig
-
-%postun libs -p /sbin/ldconfig
-
-%files
-%defattr(-,root,root,-)
-%doc	README
-
-%{_bindir}/%{name}
-%{_mandir}/man1/%{name}.1*
-
-%files	libs
-%defattr(-,root,root,-)
-%doc	HISTORY
-%doc	TODO
-
-%{_libdir}/libwkf*.so.*
-
-%files	devel
-%defattr(-,root,root,-)
-%doc	API
-
-%{_includedir}/wkf.h
-%{_libdir}/libwkf*.so
-
-
-%changelog
-* Thu Apr  3 2008 Mamoru Tasaka <mtasaka@ioa.s.u-tokyo.ac.jp> - 1.3.11-2
-- Fix implicit function declaration
-
-* Sat Feb  9 2008 Mamoru Tasaka <mtasaka@ioa.s.u-tokyo.ac.jp>
-- Rebuild against gcc43 (F-9)
-
-* Wed Dec  5 2007 Mamoru Tasaka <mtasaka@ioa.s.u-tokyo.ac.jp> - 1.3.11-1
-- Initial packaging
-