diff --git a/net-misc/can-utils/can-utils-2020.02.04.ebuild b/net-misc/can-utils/can-utils-2020.02.04.ebuild
index eff9dabbff..a1eb63c7d7 100644
--- a/net-misc/can-utils/can-utils-2020.02.04.ebuild
+++ b/net-misc/can-utils/can-utils-2020.02.04.ebuild
@@ -27,17 +27,7 @@ src_install() {
 
 	emake DESTDIR="${D}" install
 
-	if ! declare -p DOCS >/dev/null 2>&1 ; then
-		local d
-		for d in README* ChangeLog AUTHORS NEWS TODO CHANGES THANKS BUGS \
-				FAQ CREDITS CHANGELOG ; do
-			[[ -s "${d}" ]] && dodoc "${d}"
-		done
-	elif declare -p DOCS | grep -q "^declare -a " ; then
-		dodoc "${DOCS[@]}"
-	else
-		dodoc ${DOCS}
-	fi
+	einstalldocs
 
 	if use systemd ; then
 		systemd_dounit "${FILESDIR}/slcan.service"
diff --git a/net-misc/can-utils/can-utils-2020.12.0.ebuild b/net-misc/can-utils/can-utils-2020.12.0.ebuild
index eff9dabbff..a1eb63c7d7 100644
--- a/net-misc/can-utils/can-utils-2020.12.0.ebuild
+++ b/net-misc/can-utils/can-utils-2020.12.0.ebuild
@@ -27,17 +27,7 @@ src_install() {
 
 	emake DESTDIR="${D}" install
 
-	if ! declare -p DOCS >/dev/null 2>&1 ; then
-		local d
-		for d in README* ChangeLog AUTHORS NEWS TODO CHANGES THANKS BUGS \
-				FAQ CREDITS CHANGELOG ; do
-			[[ -s "${d}" ]] && dodoc "${d}"
-		done
-	elif declare -p DOCS | grep -q "^declare -a " ; then
-		dodoc "${DOCS[@]}"
-	else
-		dodoc ${DOCS}
-	fi
+	einstalldocs
 
 	if use systemd ; then
 		systemd_dounit "${FILESDIR}/slcan.service"
diff --git a/net-misc/can-utils/can-utils-9999-r3.ebuild b/net-misc/can-utils/can-utils-9999-r3.ebuild
index 1af5ac0734..12916d257b 100644
--- a/net-misc/can-utils/can-utils-9999-r3.ebuild
+++ b/net-misc/can-utils/can-utils-9999-r3.ebuild
@@ -27,17 +27,7 @@ src_install() {
 
 	emake DESTDIR="${D}" install
 
-	if ! declare -p DOCS >/dev/null 2>&1 ; then
-		local d
-		for d in README* ChangeLog AUTHORS NEWS TODO CHANGES THANKS BUGS \
-				FAQ CREDITS CHANGELOG ; do
-			[[ -s "${d}" ]] && dodoc "${d}"
-		done
-	elif declare -p DOCS | grep -q "^declare -a " ; then
-		dodoc "${DOCS[@]}"
-	else
-		dodoc ${DOCS}
-	fi
+	einstalldocs
 
 	if use systemd ; then
 		systemd_dounit "${FILESDIR}/slcan.service"