diff --git a/mozilla/widget/src/gtk2/gtk2drawing.c b/mozilla/widget/src/gtk2/gtk2drawing.c
index ae51129626d..7a08d8ca06e 100644
--- a/mozilla/widget/src/gtk2/gtk2drawing.c
+++ b/mozilla/widget/src/gtk2/gtk2drawing.c
@@ -2297,7 +2297,6 @@ moz_gtk_get_widget_border(GtkThemeWidgetType widget, gint* left, gint* top,
     case MOZ_GTK_SCALE_THUMB_VERTICAL:
     case MOZ_GTK_GRIPPER:
     case MOZ_GTK_PROGRESS_CHUNK:
-    case MOZ_GTK_TAB:
     case MOZ_GTK_EXPANDER:
     case MOZ_GTK_TOOLBAR_SEPARATOR:
     case MOZ_GTK_MENUSEPARATOR: