How to remove that V-line from the panel?

[hydroperx]

When using the B00merang Windows 8 Metro theme I get that line between the Linux Mint logo and Opera:

Where in the cascading style sheet do I remove that? I've been able to remove one of the lines from .applet-separator, but still remained one.

[anaximeno]

if you're on cinnamon just right click it then click remove.