Fail2ban : unban

How to unban fail2ban
1. #iptables -D fail2ban-SSH -s XXX.XXX.XXX.XXX -j DROP
2. #iptable -L --line-numbers
    #iptable -D [chain] [chain-number]
3. #fail2ban-client get [rule-name] actionunban [xxx.xxx.xxx.xxx]