RESET SLAVE ALL removes primary/secondary replication links established by CHANGE MASTER TO.
Syntax
RESET SLAVE ALL [channel_option]
channel_option:
FOR CHANNEL channelExample 1
Remove all primary/secondary replication links established by CHANGE MASTER TO:
RESET SLAVE ALL;Example 2
Remove the replication link for a specific channel named TEST:
RESET SLAVE ALL FOR CHANNEL 'TEST';