diff --git a/dev-lua/luash/luash-9999.ebuild b/dev-lua/luash/luash-9999.ebuild
index f7e09a1..4e3871e 100644
--- a/dev-lua/luash/luash-9999.ebuild
+++ b/dev-lua/luash/luash-9999.ebuild
@@ -1,10 +1,8 @@
-# Copyright 2026 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
+# Copyright 2026 Shin'ya Minazuki
 EAPI=8
 LUA_COMPAT=( lua5-{1..4} )
 
-inherit git-r3 lua-single
+inherit edo git-r3 lua-single
 
 DESCRIPTION="Tiny library for shell scripting with Lua"
 HOMEPAGE="https://zserge.com/posts/luash/"
@@ -20,12 +18,6 @@ src_unpack() {
 }
 
 src_install() {
-	mkdir -p ${D}/${EPREFIX}$(lua_get_lmod_dir)/${PN}
-	cp -f ${S}/sh.lua ${D}/${EPREFIX}$(lua_get_lmod_dir)/${PN}
-}
-
-pkg_postinst() {
-	elog "Before calling require('sh') in any of your scripts, append $(lua_get_lmod_dir) to package.path"
-	einfo "package.path=[[/usr/share/lua/5.4/?/?.lua;]] .. package.path"
-	elog "This may be fixed in a following revision"
+	edo mkdir -p ${D}/${EPREFIX}$(lua_get_lmod_dir)/${PN}
+	edo cp -f ${S}/sh.lua ${D}/${EPREFIX}$(lua_get_lmod_dir)/
 }