How can I delete my nieces Google account off my phone cause it says account action required

[Android Central Question]

My niece got on my phone and got on Google and signed in on her account,now how can I delete my nieces Google account off my phone cause it says account action required

 

[Rukbat]

Settings/Accounts. Go into her account and delete. (You'll probably have to put in her password, so she'll probably have to be there to put it in.)