How to get rid of a vertical line in the editor pane of IntelliJ Idea?

recently a gray vertical line appeared in about the middle of the editor pane of my IntelliJIdea Community Edition 13.1.4 probably due to some manipulations with the settings that I cannot remember. I cannot find how to get rid of it, which is annoying. Who can help? Thanks.

Solution 1:

Updated answer:

Go to Preferences → Editor → General → Appearance and uncheck Show hard wrap and visual guides.

Original answer:

Go to Settings → Editor → General → Appearance and uncheck Show Right Margin.

You can also configure where the right margin is in the code style settings.

Solution 2:

It is called 'Show hard wrap guide' now, located in Editor > General > Appearance