diff --git a/build_library/dev_image_util.sh b/build_library/dev_image_util.sh
index a597bab6ce..27bb8027ca 100755
--- a/build_library/dev_image_util.sh
+++ b/build_library/dev_image_util.sh
@@ -18,7 +18,6 @@ configure_dev_portage() {
 # make.conf for CoreOS dev images
 ARCH=$(get_board_arch $BOARD)
 CHOST=$(get_board_chost $BOARD)
-BOARD_USE="$BOARD"
 
 # Use /var/lib/portage instead of /usr/portage
 DISTDIR="/var/lib/portage/distfiles"
diff --git a/setup_board b/setup_board
index ad23b562c6..73861d2feb 100755
--- a/setup_board
+++ b/setup_board
@@ -256,7 +256,6 @@ PORTAGE_USERNAME="$(portageq envvar PORTAGE_USERNAME)"
 # Board specific settings
 CHOST="${BOARD_CHOST}"
 ROOT="${BOARD_ROOT}/"
-BOARD_USE="${BOARD_VARIANT}"
 PKGDIR="${BOARD_ROOT}/var/lib/portage/pkgs"
 PORT_LOGDIR="${BOARD_ROOT}/var/log/portage"
 PORTAGE_TMPDIR="${BOARD_ROOT}/var/tmp"