repmgr -h repmgr-1 -U repmgr -d repmgr -f /etc/repmgr/11/repmgr.conf standby clone
select pg_drop_replication_slot('slot_name');
SELECT * FROM pg_replication_slots;
While replication slots can be useful for streaming replication, it's recommended to monitor for inactive slots as these will cause WAL files to build up indefinitely, possibly leading to server failure.