Removing existing teams or channels from Microsoft Teams when no longer needed
Hello NNT980,
My name is Joanna, I’ll be happy to help you out today.
Please refer to the links and thread that may help you solve the issue.
Select the private channel -> Click three dots -> Delete the channel.
https://learn.microsoft.com/en-us/answers/quest...
https://learn.microsoft.com/en-us/answers/quest...
Please let me know if this doesn't work or if you need further assistance.
Thank you.