If you don't like new LJ feature for x-posting to Facebook, Twitter - here's what you can do.
(thanks
diek09 )
To disable crossposting:
.b-repost-item {display:none}
1. Go to Customize Journal Style (Customize your theme)
2. Select Custom CSS from left hand sidebar menu
3. Paste the .b-repost-item {display:none} into the Custom stylesheet box.
4. Save changes!
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