How to set a block then delete it

[DuckOfMagic]

'on entity target:
make event-entity invisible
add "ellomate" to scoreboard tags of event-entity

on zombie move:
if event-entity has the scoreboard tag "ellomate":
set block at location of event-entity to brown carpet'

how do i make it so after a bit it deletes
skript 1.21

 

[Luke_Sky_Walker]

'on entity target:
make event-entity invisible
add "ellomate" to scoreboard tags of event-entity

on zombie move:
if event-entity has the scoreboard tag "ellomate":
set block at location of event-entity to brown carpet'

how do i make it so after a bit it deletes
skript 1.21

Set the position of the target block to a variable, then after a while set the block at that location (If it's brown carpet) to air.