diff --git a/usr.sbin/bsdinstall/scripts/zfsboot b/usr.sbin/bsdinstall/scripts/zfsboot
--- a/usr.sbin/bsdinstall/scripts/zfsboot
+++ b/usr.sbin/bsdinstall/scripts/zfsboot
@@ -206,7 +206,6 @@
 GPART_ADD_ALIGN_LABEL_WITH_SIZE='gpart add %s -l %s -t %s -s %s "%s"'
 GPART_BOOTCODE='gpart bootcode -b "%s" "%s"'
 GPART_BOOTCODE_PART='gpart bootcode -b "%s" -p "%s" -i %s "%s"'
-GPART_BOOTCODE_PARTONLY='gpart bootcode -p "%s" -i %s "%s"'
 GPART_CREATE='gpart create -s %s "%s"'
 GPART_DESTROY_F='gpart destroy -F "%s"'
 GPART_SET_ACTIVE='gpart set -a active -i %s "%s"'