diff --git a/mods/default/mapgen.lua b/mods/default/mapgen.lua
index 9c177fd5..f5a39acb 100644
--- a/mods/default/mapgen.lua
+++ b/mods/default/mapgen.lua
@@ -4,27 +4,31 @@
 
 
 minetest.register_alias("mapgen_stone", "default:stone")
+minetest.register_alias("mapgen_dirt", "default:dirt")
+minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
+minetest.register_alias("mapgen_sand", "default:sand")
+minetest.register_alias("mapgen_water_source", "default:water_source")
+minetest.register_alias("mapgen_lava_source", "default:lava_source")
+minetest.register_alias("mapgen_gravel", "default:gravel")
+minetest.register_alias("mapgen_desert_stone", "default:desert_stone")
+minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
+minetest.register_alias("mapgen_dirt_with_snow", "default:dirt_with_snow")
+minetest.register_alias("mapgen_snow", "default:snow")
+minetest.register_alias("mapgen_snowblock", "default:snowblock")
+minetest.register_alias("mapgen_ice", "default:ice")
+
 minetest.register_alias("mapgen_tree", "default:tree")
 minetest.register_alias("mapgen_leaves", "default:leaves")
+minetest.register_alias("mapgen_apple", "default:apple")
 minetest.register_alias("mapgen_jungletree", "default:jungletree")
 minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves")
-minetest.register_alias("mapgen_apple", "default:apple")
-minetest.register_alias("mapgen_water_source", "default:water_source")
-minetest.register_alias("mapgen_dirt", "default:dirt")
-minetest.register_alias("mapgen_sand", "default:sand")
-minetest.register_alias("mapgen_gravel", "default:gravel")
-minetest.register_alias("mapgen_clay", "default:clay")
-minetest.register_alias("mapgen_lava_source", "default:lava_source")
-minetest.register_alias("mapgen_cobble", "default:cobble")
-minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
-minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
 minetest.register_alias("mapgen_junglegrass", "default:junglegrass")
-minetest.register_alias("mapgen_stone_with_coal", "default:stone_with_coal")
-minetest.register_alias("mapgen_stone_with_iron", "default:stone_with_iron")
-minetest.register_alias("mapgen_mese", "default:mese")
-minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
-minetest.register_alias("mapgen_desert_stone", "default:desert_stone")
+minetest.register_alias("mapgen_pinetree", "default:pinetree")
+minetest.register_alias("mapgen_pine_needles", "default:pine_needles")
+
+minetest.register_alias("mapgen_cobble", "default:cobble")
 minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
+minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
 
 
 --
@@ -131,7 +135,6 @@ function default.register_ores()
 		clust_size     = 6,
 		y_min          = -31000,
 		y_max          = 0,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -165,7 +168,6 @@ function default.register_ores()
 		clust_size     = 3,
 		y_min          = -31000,
 		y_max          = -64,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -177,7 +179,6 @@ function default.register_ores()
 		clust_size     = 6,
 		y_min          = -31000,
 		y_max          = -64,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -189,7 +190,6 @@ function default.register_ores()
 		clust_size     = 2,
 		y_min          = -255,
 		y_max          = -64,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -201,7 +201,6 @@ function default.register_ores()
 		clust_size     = 3,
 		y_min          = -31000,
 		y_max          = -256,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -213,7 +212,6 @@ function default.register_ores()
 		clust_size     = 2,
 		y_min          = -31000,
 		y_max          = -1024,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -225,7 +223,6 @@ function default.register_ores()
 		clust_size     = 2,
 		y_min          = -255,
 		y_max          = -64,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -237,7 +234,6 @@ function default.register_ores()
 		clust_size     = 3,
 		y_min          = -31000,
 		y_max          = -256,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -249,7 +245,6 @@ function default.register_ores()
 		clust_size     = 3,
 		y_min          = -255,
 		y_max          = -128,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -261,7 +256,6 @@ function default.register_ores()
 		clust_size     = 3,
 		y_min          = -31000,
 		y_max          = -256,
-		flags          = "absheight",
 	})
 
 	minetest.register_ore({
@@ -284,7 +278,6 @@ function default.register_ores()
 		clust_size     = 3,
 		y_min          = -31000,
 		y_max          = -64,
-		flags          = "absheight",
 	})
 end