diff --git a/autoplace_tubes.lua b/autoplace_tubes.lua
index b6ed8b7..1d4732a 100644
--- a/autoplace_tubes.lua
+++ b/autoplace_tubes.lua
@@ -103,22 +103,6 @@ function pipeworks.scan_for_tube_objects(pos)
 	end
 end
 
-minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack)
-	if minetest.registered_items[newnode.name]
-	  and minetest.registered_items[newnode.name].tube
-	  and minetest.registered_items[newnode.name].tube.connect_sides then
-		pipeworks.scan_for_tube_objects(pos)
-	end
-end)
-
-minetest.register_on_dignode(function(pos, oldnode, digger)
-	if minetest.registered_items[oldnode.name]
-	  and minetest.registered_items[oldnode.name].tube
-	  and minetest.registered_items[oldnode.name].tube.connect_sides then
-		pipeworks.scan_for_tube_objects(pos)
-	end
-end)
-
 if minetest.get_modpath("mesecons_mvps") then
 	mesecon.register_on_mvps_move(function(moved_nodes)
 		for _, n in ipairs(moved_nodes) do