diff --git a/sci-biology/sim4/sim4-20030921-r2.ebuild b/sci-biology/sim4/sim4-20030921-r2.ebuild
index 1e1b725f7910b..64c0e64d19ef5 100644
--- a/sci-biology/sim4/sim4-20030921-r2.ebuild
+++ b/sci-biology/sim4/sim4-20030921-r2.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -8,13 +8,11 @@ inherit toolchain-funcs
 DESCRIPTION="A program to align cDNA and genomic DNA"
 HOMEPAGE="http://globin.cse.psu.edu/html/docs/sim4.html"
 SRC_URI="mirror://gentoo/${P}.tar.gz"
+S="${WORKDIR}/${PN}.2003-09-21"
 
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~ppc ~x86"
-IUSE=""
-
-S=${WORKDIR}/${PN}.2003-09-21
 
 PATCHES=( "${FILESDIR}"/${PN}-20030921-fix-build-system.patch )