How to remove Google Plus account

Delete your Google+ profile

If you don’t want to use Google+ anymore, you can delete your profile.

Delete your Google+ profile

1. On your computer or mobile device, go to http://plus.google.com/downgrade and sign in.
2. At the bottom of the page, check the box next to "Required."
3. Click or touch Remove selected services.

Also follow the instructions below:-

Do you wish to delete permanently your Google plus account?

Follow these steps:

1. Login to your Google account with your Google username and password.
2. Go to Account Settings by clicking a down arrow at the top right corner or directly CLICK HERE
3. Navigate to Google + by clicking Google Plus tab.
   Google Accounts
   You can directly click the link: https://www.google.com/settings/plus
4. Scroll to bottom of the page you will see the menu to Disable Google Plus 
   You can click the direct link here: https://plus.google.com/u/0/downgrade/
   Disable Plus
5. Click delete link then you will be able to either delete Google Plus, or Entire Google Profile.
6. Agree that you want to delete Google Plus and click Remove Selected Service then your Google Plus Account will be deleted permanently.