Remove unused volume?

-
volumeid=(
vol-xxxxxxxxxxxxxxxxxxx
vol-xxxxxxxxxxxxxxxxxxx
vol-xxxxxxxxxxxxxxxxxxx
vol-xxxxxxxxxxxxxxxxxxx
vol-xxxxxxxxxxxxxxxxxxx
)
COUNTER=0
for (( i=0; i<${#volumeid[@]}; i++ ));
do
COUNTER=$((COUNTER+1))
echo "++++";
echo $COUNTER". Removing the volume with the Volume ID: " ${volumeid[$i]};
aws ec2 delete-volume --volume-id ${volumeid[$i]};
done

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