diff --git a/mods/bg_tree/node_leaves.lua b/mods/bg_tree/node_leaves.lua
index 7162286..1f75098 100644
--- a/mods/bg_tree/node_leaves.lua
+++ b/mods/bg_tree/node_leaves.lua
@@ -64,72 +64,9 @@ reg_leaves("leaves_alive", {
 	},
 })
 
---[[
-local function check_decompose (pos)
-	local node = minetest.get_node(pos)
-	return blockgame.item_matches(node.name, {"group:leaves_decomposing"})
-end
-]]--
 
--- TODO: generalize stacking node registration and put into API.
 local decomposing_leaves_layers = 4
 
---[[
-local function after_place_stack (pos)
-	if not check_decompose(pos) then return end
-
-	local below = pos + blockgame.vector.dirs.down
-	if check_decompose(below) then
-		local node = minetest.get_node(pos)
-		local below_node = minetest.get_node(below)
-
-		local def = minetest.registered_nodes[node.name]
-		local below_def = minetest.registered_nodes[below_node.name]
-
-		if below_def.level ~= decomposing_leaves_layers then
-			local max_diff = decomposing_leaves_layers - below_def.level
-			local diff = math.min(max_diff, def.level)
-
-			minetest.swap_node(below, {name = modname .. ":leaves_decomposing_" .. (below_def.level + diff)})
-			if diff == def.level then
-				minetest.remove_node(pos)
-			else
-				minetest.swap_node(pos, {name = modname .. ":leaves_decomposing_" .. (def.level - diff)})
-			end
-		end
-	end
-
-	local above = pos:offset(0, 1, 0)
-	if check_decompose(above) then
-		after_place_stack(above)
-	end
-end
-
-local function reg_decomposing (level)
-	local height = level / decomposing_leaves_layers
-
-	local description = "Decomposing Leaves (" .. level .. "/" .. decomposing_leaves_layers .. ")"
-	if level == decomposing_leaves_layers then description = "Decomposing Leaves" end
-
-	local drawtype = "nodebox"
-	local node_box = {
-		["type"] = "fixed",
-		fixed = { -0.5, -0.5, -0.5, 0.5, -0.5 + height, 0.5 },
-	}
-	if level == decomposing_leaves_layers then
-		drawtype = "allfaces_optional"
-		node_box = nil
-	end
-
-	reg_leaves("leaves_decomposing_" .. level, )
-end
-for level=1, decomposing_leaves_layers do
-	reg_decomposing(level)
-end
-
-minetest.register_alias(modname .. ":leaves_decomposing", modname .. ":leaves_decomposing_" .. decomposing_leaves_layers)
-]]--
-
 blockgame.register_leveled_node("leaves_decomposing", blockgame.underride({
 	description = "Decomposing Leaves",
 	level_max = decomposing_leaves_layers,