Remove "Operator" value from input inbox

Hi there,
Need to remove “Operator” value from name input box so that placeholder “Please enter your name here” could be shown to users.
What currently happens is:
Help would be appreciated.
Thanks in advance

Try in incognito window, this is local coming from local storage, you have added that text as display name

Thanks for replying @damencho , but this remains the same in incognito. I haven’t added the text as display name but it does this by default. Please let me know if we got any solutions here.
Thanks and Regards