To delete a circle:
- Sign in to Google+
.
- Click your full name or email address in the Google+ bar, then click Edit circles.
- Click the circle you'd like to delete.
- Click Delete this circle.
- When you see the 'Delete circle?' prompt, click OK.
When you delete a circle, everything previously shared with those people will no longer be visible on the Posts tab of your profile (unless you shared the same content with another circle they're in). The content will still be visible in the former circle members' streams.
EmoticonEmoticon