diff --git a/valleys_c/biomes.lua b/valleys_c/biomes.lua
deleted file mode 100644
index fe67895..0000000
--- a/valleys_c/biomes.lua
+++ /dev/null
@@ -1,522 +0,0 @@
---
--- Register biomes
---
-
-if true then
-	--minetest.clear_registered_biomes()
-
-	-- Permanent ice
-
-	minetest.register_biome({name = "lib_ecology_glacier",
-		node_dust = "default:snowblock",
-		node_top = "default:snowblock",
-		depth_top = 1,
-		node_filler = "default:snowblock",
-		depth_filler = 3,
-		node_stone = "default:ice",
-		node_water_top = "lib_ecology:ice",
-		depth_water_top = 10,
-		--node_water = "",
-		node_river_water = "lib_ecology:ice",
-		y_min = -8,
-		y_max = 31000,
-		heat_point = 0,
-		humidity_point = 50,
-	})
-	minetest.register_biome({name = "lib_ecology_glacier_ocean",
-		node_dust = "default:snowblock",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = -9,
-		heat_point = 0,
-		humidity_point = 50,
-	})
-
-	-- Cold
-	minetest.register_biome({name = "lib_ecology_tundra",
-		--node_dust = "",
-		node_top = "default:dirt_with_snow",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 1,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 2,
-		y_max = 31000,
-		heat_point = 15,
-		humidity_point = 35,
-	})
-	minetest.register_biome({name = "lib_ecology_tundra_beach",
-		--node_dust = "",
-		node_top = "default:gravel",
-		depth_top = 1,
-		node_filler = "default:gravel",
-		depth_filler = 2,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -3,
-		y_max = 1,
-		heat_point = 15,
-		humidity_point = 35,
-	})
-	minetest.register_biome({name = "lib_ecology_tundra_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = -4,
-		heat_point = 15,
-		humidity_point = 35,
-	})
-
-	minetest.register_biome({name = "lib_ecology_taiga",
-		node_dust = "default:snow",
-		node_top = "default:dirt_with_snow",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 2,
-		y_max = 31000,
-		heat_point = 15,
-		humidity_point = 65,
-	})
-	minetest.register_biome({name = "lib_ecology_taiga_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = 1,
-		heat_point = 15,
-		humidity_point = 65,
-	})
-	minetest.register_biome({name = "lib_ecology_cold_desert",
-		--node_dust = "",
-		node_top = "default:desert_sand",
-		depth_top = 1,
-		node_filler = "default:desert_sand",
-		depth_filler = 1,
-		node_stone = "default:desert_stone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 5,
-		y_max = 31000,
-		heat_point = 25,
-		humidity_point = 0,
-	})
-	minetest.register_biome({name = "lib_ecology_cold_desert_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		node_stone = "default:desert_stone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = 4,
-		heat_point = 25,
-		humidity_point = 10,
-	})
-
-
-	-- Temperate
-	minetest.register_biome({name = "lib_ecology_stone_grassland",
-		--node_dust = "",
-		node_top = "default:dirt_with_grass",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 1,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 6,
-		y_max = 31000,
-		heat_point = 35,
-		humidity_point = 40,
-	})
-	minetest.register_biome({name = "lib_ecology_stone_grassland_dunes",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 2,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 5,
-		y_max = 5,
-		heat_point = 35,
-		humidity_point = 40,
-	})
-	minetest.register_biome({name = "lib_ecology_stone_grassland_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = 4,
-		heat_point = 35,
-		humidity_point = 40,
-	})
-
-	minetest.register_biome({name = "lib_ecology_coniferous_forest",
-		--node_dust = "",
-		node_top = "default:dirt_with_rainforest_litter",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 6,
-		y_max = 31000,
-		heat_point = 35,
-		humidity_point = 60,
-	})
-	minetest.register_biome({name = "lib_ecology_coniferous_forest_dunes",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 5,
-		y_max = 5,
-		heat_point = 35,
-		humidity_point = 60,
-	})
-	minetest.register_biome({name = "lib_ecology_coniferous_forest_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = 4,
-		heat_point = 35,
-		humidity_point = 60,
-	})
-
-	minetest.register_biome({name = "lib_ecology_sandstone_grassland",
-		--node_dust = "",
-		node_top = "default:dirt_with_dry_grass",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 1,
-		node_stone = "default:sandstone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 6,
-		y_max = 31000,
-		heat_point = 55,
-		humidity_point = 40,
-	})
-	minetest.register_biome({name = "lib_ecology_sandstone_grassland_dunes",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 2,
-		node_stone = "default:sandstone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 5,
-		y_max = 5,
-		heat_point = 55,
-		humidity_point = 40,
-	})
-	minetest.register_biome({name = "lib_ecology_sandstone_grassland_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		node_stone = "default:sandstone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = 4,
-		heat_point = 55,
-		humidity_point = 40,
-	})
-
-	minetest.register_biome({name = "lib_ecology_deciduous_forest",
-		--node_dust = "",
-		node_top = "default:dirt_with_grass",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 1,
-		y_max = 31000,
-		heat_point = 60,
-		humidity_point = 60,
-	})
-	minetest.register_biome({name = "lib_ecology_deciduous_forest_swamp",
-		--node_dust = "",
-		node_top = "default:dirt",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -3,
-		y_max = 0,
-		heat_point = 60,
-		humidity_point = 60,
-	})
-	minetest.register_biome({name = "lib_ecology_deciduous_forest_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = -4,
-		heat_point = 60,
-		humidity_point = 60,
-	})
-
-	-- Hot
-	minetest.register_biome({name = "lib_ecology_desert",
-		--node_dust = "",
-		node_top = "default:desert_sand",
-		depth_top = 1,
-		node_filler = "default:desert_sandstone",
-		depth_filler = 1,
-		node_stone = "default:desert_stone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 5,
-		y_max = 31000,
-		heat_point = 80,
-		humidity_point = 10,
-	})
-	minetest.register_biome({name = "lib_ecology_desert_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		node_stone = "default:desert_stone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = 4,
-		heat_point = 80,
-		humidity_point = 10,
-	})
-
-
-	minetest.register_biome({name = "lib_ecology_savanna",
-		--node_dust = "",
-		node_top = "default:dirt_with_dry_grass",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 1,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 1,
-		y_max = 31000,
-		heat_point = 80,
-		humidity_point = 25,
-	})
-	minetest.register_biome({name = "lib_ecology_savanna_swamp",
-		--node_dust = "",
-		node_top = "default:dirt_with_rainforest_litter",
-		depth_top = 1,
-		node_filler = "default:clay",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -3,
-		y_max = 0,
-		heat_point = 80,
-		humidity_point = 25,
-	})
-	minetest.register_biome({name = "lib_ecology_savanna_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = -4,
-		heat_point = 80,
-		humidity_point = 25,
-	})
-
-	minetest.register_biome({name = "lib_ecology_desertstone_grassland",
-		--node_dust = "",
-		node_top = "default:dirt_with_dry_grass",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 1,
-		node_stone = "default:desert_stone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 6,
-		y_max = 31000,
-		heat_point = 80,
-		humidity_point = 55,
-	})
-	minetest.register_biome({name = "lib_ecology_rainforest",
-		--node_dust = "",
-		node_top = "default:dirt_with_rainforest_litter",
-		depth_top = 1,
-		node_filler = "default:dirt",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = 1,
-		y_max = 31000,
-		heat_point = 85,
-		humidity_point = 70,
-	})
-	minetest.register_biome({name = "lib_ecology_rainforest_swamp",
-		--node_dust = "",
-		node_top = "default:dirt_with_rainforest_litter",
-		depth_top = 1,
-		node_filler = "default:clay",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -3,
-		y_max = 0,
-		heat_point = 85,
-		humidity_point = 70,
-	})
-	minetest.register_biome({name = "lib_ecology_rainforest_ocean",
-		--node_dust = "",
-		node_top = "default:sand",
-		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -112,
-		y_max = -4,
-		heat_point = 85,
-		humidity_point = 70,
-	})
-
-	-- Underground
-	minetest.register_biome({name = "lib_ecology_underground",
-		--node_dust = "",
-		--node_top = "",
-		--depth_top = ,
-		--node_filler = "",
-		--depth_filler = ,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		y_min = -31000,
-		y_max = -113,
-		heat_point = 50,
-		humidity_point = 50,
-	})
-end