Minor cleanup.

diff --git a/Interface/List.lua b/Interface/List.lua
index 1692941..967824d 100644
--- a/Interface/List.lua
+++ b/Interface/List.lua
@@ -356,27 +356,10 @@ function private.InitializeListFrame()
 		if parent_entry then
 			if parent_entry ~= entry then
 				entry.parent = parent_entry
-
-				local recipe_id = parent_entry.recipe_id
-				local acquire_id = parent_entry.acquire_id
-				local location_id = parent_entry.location_id
-				local npc_id = parent_entry.npc_id
-
-				if recipe_id then
-					entry.recipe_id = recipe_id
-				end
-
-				if acquire_id then
-					entry.acquire_id = acquire_id
-				end
-
-				if location_id then
-					entry.location_id = location_id
-				end
-
-				if npc_id then
-					entry.npc_id = npc_id
-				end
+				entry.recipe_id = parent_entry.recipe_id
+				entry.acquire_id = parent_entry.acquire_id
+				entry.location_id = parent_entry.location_id
+				entry.npc_id = parent_entry.npc_id
 			else
 				addon:Debug("Attempting to parent an entry to itself.")
 			end