diff --git a/lib/shell/functions.inc b/lib/shell/functions.inc
index 4181d8d..4208bc1 100644
--- a/lib/shell/functions.inc
+++ b/lib/shell/functions.inc
@@ -40,10 +40,6 @@ LINUX_DISTRO=$(echo "$LINUX_DISTRO" | tr '[:upper:]' '[:lower:]' | tr -d ' ')
 DISTRO_VERSION_MAJOR=$(echo "$DISTRO_VERSION" | grep -Eo '^[0-9]+' || true)
 : "${DISTRO_LIKE:=$LINUX_DISTRO}"
 
-# no longer needed, but keep if for a few versions so that non-restarted daemons are still happy
-# shellcheck disable=SC2034
-LOCKFILE=/var/run/bastion-upgrade.lock
-
 # set ETC_DIR
 ETC_DIR=/etc
 [ "$OS_FAMILY" = FreeBSD ] && ETC_DIR=/usr/local/etc