diff --git a/gtk-3.0/gtk-widgets.css b/gtk-3.0/gtk-widgets.css
index 5919a5f..634421c 100644
--- a/gtk-3.0/gtk-widgets.css
+++ b/gtk-3.0/gtk-widgets.css
@@ -3690,12 +3690,6 @@ GtkProgressBar.osd.progressbar {
     background-color: @osd_bg;
 }
 
-/* notably used in Nautilus */
-.sidebar GtkPlacesSidebar {
-    /* fixes opaque grey area for the overshoot and undershoot areas */
-    background: rgba(0, 0, 0, 0);
-}
-
 /******************************
  * destructive action buttons *
  ******************************/