execute as @e[tag=nitPlanarPortal] at @s run fill ~-2 ~-6 ~-12 ~2 ~ ~12 air replace
execute as @e[tag=nitDrillStation] at @s run fill ~-14 ~ ~-9 ~ ~24 ~9 air replace
execute as @e[tag=nitRWither] at @s run fill ~-7 ~-1 ~-7 ~7 ~5 ~7 air replace

kill @e[tag=nitPlanarPortal]
kill @e[tag=nitDrillStation]
kill @e[tag=nitRWither]