I have limited screen place, and I'd like to know how I could remove the title bar. I use hotkey to close, maximize, etc. anyway.
Try the maximus package? Here's the package description:
I believe you'll need to add the maximus command to your startup programs, as it does not automatically run at boot on its own.
There's also this idea, to integrate title bar stuff into the top panel: http://xflinux.blogspot.com/2011/01/maximise-vertical-space-in-xfcexubuntu.html
I had the same issue with the titlebar and I solved it to a good level this way:
This way the titlebar is just hidden below the panel. Benefits of such approach:
The bad thing is that if feels like a hack.) I searched this topic because I wanted to find an xfce setting for this (failed yet).