diff --git a/mods/ctf/ctf_map/ctf_map_core/chest.lua b/mods/ctf/ctf_map/ctf_map_core/chest.lua
index 6a58672..7d878c3 100644
--- a/mods/ctf/ctf_map/ctf_map_core/chest.lua
+++ b/mods/ctf/ctf_map/ctf_map_core/chest.lua
@@ -73,9 +73,6 @@ for _, chest_color in pairs(colors) do
 
 		local formspec = table.concat({
 			"size[8,12]",
-			default.gui_bg,
-			default.gui_bg_img,
-			default.gui_slots,
 			default.get_hotbar_bg(0,7.85),
 			"list[current_player;main;0,7.85;8,1;]",
 			"list[current_player;main;0,9.08;8,3;8]",
diff --git a/mods/ctf/ctf_map/map_maker/gui.lua b/mods/ctf/ctf_map/map_maker/gui.lua
index c4b45ab..5084b49 100644
--- a/mods/ctf/ctf_map/map_maker/gui.lua
+++ b/mods/ctf/ctf_map/map_maker/gui.lua
@@ -5,8 +5,6 @@ function map_maker.show_gui(name)
 	local formspec = {
 		"size[9,9.5]",
 		"bgcolor[#080808BB;true]",
-		default.gui_bg,
-		default.gui_bg_img,
 
 		"label[0,0;1. Select Area]",
 		"field[0.4,1;1,1;posx;X;", context.center.x, "]",
@@ -57,8 +55,7 @@ end
 function map_maker.show_progress_formspec(name, text)
 	minetest.show_formspec(name, "ctf_map:progress",
 		"size[6,1]bgcolor[#080808BB;true]" ..
-		default.gui_bg ..
-		default.gui_bg_img .. "label[0,0;" ..
+		"label[0,0;" ..
 		minetest.formspec_escape(text) .. "]")
 end
 
diff --git a/mods/ctf/ctf_stats/gui.lua b/mods/ctf/ctf_stats/gui.lua
index fd26da5..2d08ead 100644
--- a/mods/ctf/ctf_stats/gui.lua
+++ b/mods/ctf/ctf_stats/gui.lua
@@ -102,7 +102,6 @@ function ctf_stats.get_formspec(title, players, header, target)
 	end)
 
 	local ret = "size[14," .. 7 + header .. "]"
-	ret = ret .. default.gui_bg .. default.gui_bg_img
 	ret = ret .. "container[0," .. header .. "]"
 
 	ret = ret .. "vertlabel[0,1;" .. title .. "]"
diff --git a/mods/mtg/default/functions.lua b/mods/mtg/default/functions.lua
index 6aef656..9792297 100644
--- a/mods/mtg/default/functions.lua
+++ b/mods/mtg/default/functions.lua
@@ -130,21 +130,6 @@ function default.node_sound_snow_defaults(table)
 end
 
 
---
--- Lavacooling
---
-
-default.cool_lava = function(pos, node)
-	if node.name == "default:lava_source" then
-		minetest.set_node(pos, {name = "default:obsidian"})
-	else -- Lava flowing
-		minetest.set_node(pos, {name = "default:stone"})
-	end
-	minetest.sound_play("default_cool_lava",
-		{pos = pos, max_hear_distance = 16, gain = 0.25})
-end
-
-
 --
 -- Optimized helper to put all items in an inventory into a drops list
 --
@@ -162,63 +147,6 @@ function default.get_inventory_drops(pos, inventory, drops)
 end
 
 
---
--- Papyrus and cactus growing
---
-
--- Wrapping the functions in ABM action is necessary to make overriding them possible
-
-function default.grow_cactus(pos, node)
-	if node.param2 >= 4 then
-		return
-	end
-	pos.y = pos.y - 1
-	if minetest.get_item_group(minetest.get_node(pos).name, "sand") == 0 then
-		return
-	end
-	pos.y = pos.y + 1
-	local height = 0
-	while node.name == "default:cactus" and height < 4 do
-		height = height + 1
-		pos.y = pos.y + 1
-		node = minetest.get_node(pos)
-	end
-	if height == 4 or node.name ~= "air" then
-		return
-	end
-	if minetest.get_node_light(pos) < 13 then
-		return
-	end
-	minetest.set_node(pos, {name = "default:cactus"})
-	return true
-end
-
-function default.grow_papyrus(pos, node)
-	pos.y = pos.y - 1
-	local name = minetest.get_node(pos).name
-	if name ~= "default:dirt_with_grass" and name ~= "default:dirt" then
-		return
-	end
-	if not minetest.find_node_near(pos, 3, {"group:water"}) then
-		return
-	end
-	pos.y = pos.y + 1
-	local height = 0
-	while node.name == "default:papyrus" and height < 4 do
-		height = height + 1
-		pos.y = pos.y + 1
-		node = minetest.get_node(pos)
-	end
-	if height == 4 or node.name ~= "air" then
-		return
-	end
-	if minetest.get_node_light(pos) < 13 then
-		return
-	end
-	minetest.set_node(pos, {name = "default:papyrus"})
-	return true
-end
-
 --
 -- Dig upwards
 --
diff --git a/mods/mtg/default/init.lua b/mods/mtg/default/init.lua
index 6938f28..9e4fa13 100644
--- a/mods/mtg/default/init.lua
+++ b/mods/mtg/default/init.lua
@@ -44,6 +44,4 @@ dofile(default_path.."/tools.lua")
 dofile(default_path.."/item_entity.lua")
 dofile(default_path.."/craftitems.lua")
 dofile(default_path.."/crafting.lua")
-dofile(default_path.."/mapgen.lua")
 dofile(default_path.."/aliases.lua")
-dofile(default_path.."/legacy.lua")
diff --git a/mods/mtg/furnace/init.lua b/mods/mtg/furnace/init.lua
index 6d84402..811e7c6 100644
--- a/mods/mtg/furnace/init.lua
+++ b/mods/mtg/furnace/init.lua
@@ -5,9 +5,6 @@
 
 function default.get_furnace_active_formspec(fuel_percent, item_percent)
 	return "size[8,8.5]"..
-		default.gui_bg..
-		default.gui_bg_img..
-		default.gui_slots..
 		"list[context;src;2.75,0.5;1,1;]"..
 		"list[context;fuel;2.75,2.5;1,1;]"..
 		"image[2.75,1.5;1,1;default_furnace_fire_bg.png^[lowpart:"..
@@ -28,9 +25,6 @@ end
 
 function default.get_furnace_inactive_formspec()
 	return "size[8,8.5]"..
-		default.gui_bg..
-		default.gui_bg_img..
-		default.gui_slots..
 		"list[context;src;2.75,0.5;1,1;]"..
 		"list[context;fuel;2.75,2.5;1,1;]"..
 		"image[2.75,1.5;1,1;default_furnace_fire_bg.png]"..
diff --git a/mods/other/tsm_chests/init.lua b/mods/other/tsm_chests/init.lua
index 83e3ec2..8a35b1e 100755
--- a/mods/other/tsm_chests/init.lua
+++ b/mods/other/tsm_chests/init.lua
@@ -27,9 +27,6 @@ local non_ground_nodes = {
 
 local chest_formspec =
 	"size[8,9]" ..
-	default.gui_bg ..
-	default.gui_bg_img ..
-	default.gui_slots ..
 	"list[current_name;main;0,0.3;8,4;]" ..
 	"list[current_player;main;0,4.85;8,1;]" ..
 	"list[current_player;main;0,6.08;8,3;8]" ..