diff --git a/data/gui/default/window/campaign_dialog.cfg b/data/gui/default/window/campaign_dialog.cfg
index bf7afd6eb0fb..5a1c085dbdaf 100644
--- a/data/gui/default/window/campaign_dialog.cfg
+++ b/data/gui/default/window/campaign_dialog.cfg
@@ -25,11 +25,6 @@
 			fixed_width = "true"
 		[/linked_group]
 
-		[linked_group]
-			id = "tree_name"
-			fixed_width = "true"
-		[/linked_group]
-
 		[tooltip]
 			id = "tooltip_large"
 		[/tooltip]