diff --git a/minetest.conf b/minetest.conf
index a36e03b..380a4e1 100644
--- a/minetest.conf
+++ b/minetest.conf
@@ -7,6 +7,7 @@ regen_interval = 6
 regen_amount = 1
 random_messages_interval = 60
 sprint_stamina = 5
+enable_lavacooling = false
 
 #
 # CTF_PVP_ENGINE
diff --git a/mods/ctf_team_base/chest.lua b/mods/ctf_team_base/chest.lua
index 4f5a454..1706e03 100644
--- a/mods/ctf_team_base/chest.lua
+++ b/mods/ctf_team_base/chest.lua
@@ -211,18 +211,3 @@ for _, chest_color in pairs(colors) do
 		end
 	})
 end
-
-minetest.register_abm({
-	nodenames = {"group:team_chest"},
-	interval = 10, -- Run every 10 seconds
-	chance = 1, -- Select every 1 in 50 nodes
-	action = function(pos, node, active_object_count, active_object_count_wider)
-		local current_owner = assert(chest_name_to_team[node.name])
-
-		local territory_owner = ctf.get_territory_owner(pos)
-		if territory_owner and current_owner ~= territory_owner then
-			ctf.warning("ctf_team_base", "Wrong chest, changing to " .. territory_owner .. " from " .. current_owner)
-			minetest.set_node(pos, { name = "ctf_team_base:chest_" .. territory_owner })
-		end
-	end
-})
diff --git a/mods/default/functions.lua b/mods/default/functions.lua
index e262b83..28a20a3 100644
--- a/mods/default/functions.lua
+++ b/mods/default/functions.lua
@@ -360,72 +360,7 @@ end
 --
 -- Convert dirt to something that fits the environment
 --
-
-minetest.register_abm({
-	label = "Grass spread",
-	nodenames = {"default:dirt"},
-	neighbors = {
-		"air",
-		"group:grass",
-		"group:dry_grass",
-		"default:snow",
-	},
-	interval = 6,
-	chance = 50,
-	catch_up = false,
-	action = function(pos, node)
-		-- Check for darkness: night, shadow or under a light-blocking node
-		-- Returns if ignore above
-		local above = {x = pos.x, y = pos.y + 1, z = pos.z}
-		if (minetest.get_node_light(above) or 0) < 13 then
-			return
-		end
-
-		-- Look for spreading dirt-type neighbours
-		local p2 = minetest.find_node_near(pos, 1, "group:spreading_dirt_type")
-		if p2 then
-			local n3 = minetest.get_node(p2)
-			minetest.set_node(pos, {name = n3.name})
-			return
-		end
-
-		-- Else, any seeding nodes on top?
-		local name = minetest.get_node(above).name
-		-- Snow check is cheapest, so comes first
-		if name == "default:snow" then
-			minetest.set_node(pos, {name = "default:dirt_with_snow"})
-		-- Most likely case first
-		elseif minetest.get_item_group(name, "grass") ~= 0 then
-			minetest.set_node(pos, {name = "default:dirt_with_grass"})
-		elseif minetest.get_item_group(name, "dry_grass") ~= 0 then
-			minetest.set_node(pos, {name = "default:dirt_with_dry_grass"})
-		end
-	end
-})
-
-
---
--- Grass and dry grass removed in darkness
---
-
-minetest.register_abm({
-	label = "Grass covered",
-	nodenames = {"group:spreading_dirt_type"},
-	interval = 8,
-	chance = 50,
-	catch_up = false,
-	action = function(pos, node)
-		local above = {x = pos.x, y = pos.y + 1, z = pos.z}
-		local name = minetest.get_node(above).name
-		local nodedef = minetest.registered_nodes[name]
-		if name ~= "ignore" and nodedef and not ((nodedef.sunlight_propagates or
-				nodedef.paramtype == "light") and
-				nodedef.liquidtype == "none") then
-			minetest.set_node(pos, {name = "default:dirt"})
-		end
-	end
-})
-
+-- SNIP
 
 --
 -- Checks if specified volume intersects a protected volume