diff --git a/gauche.spec b/gauche.spec
index 84ab597..4da52d1 100644
--- a/gauche.spec
+++ b/gauche.spec
@@ -16,8 +16,6 @@ Source:         http://download.sourceforge.net/gauche/Gauche-%{version}.tgz
 BuildRequires:  gcc
 BuildRequires:  gdbm-devel
 BuildRequires:  texinfo
-Requires(post): /sbin/install-info, /sbin/ldconfig
-Requires(postun): /sbin/install-info, /sbin/ldconfig
 Requires:       slib
 
 %define main_version 0.9
@@ -80,22 +78,11 @@ find -name '*.c' | xargs chmod 0644
 %check
 cd src; LD_LIBRARY_PATH=$RPM_BUILD_ROOT%{_libdir} make test
 
-
-
 %post
-/sbin/install-info %{_infodir}/gauche-refe.info %{_infodir}/dir 2>/dev/null || :
-/sbin/ldconfig
 # creates slib catalog, if possible.
 /usr/bin/gosh -u slib -e "(require 'logical)" -e "(exit 0)" > /dev/null 2>&1 || echo
 
 
-%postun
-if [ $1 = 0 ]; then
-  /sbin/install-info --delete %{_infodir}/gauche-refe.info %{_infodir}/dir 2>/dev/null || :
-fi
-/sbin/ldconfig
-
-
 %files
 %{_bindir}/gauche-cesconv
 %{_bindir}/gauche-install