diff --git a/games/minimal/mods/default/init.lua b/games/minimal/mods/default/init.lua
index 1adc8f457c4cddbc399dc19dc93eac7420c90a13..dd3d7bbf6a2fd0787180a490fcaefb646cf195ce 100644
--- a/games/minimal/mods/default/init.lua
+++ b/games/minimal/mods/default/init.lua
@@ -474,12 +474,6 @@ minetest.register_craft({
 	recipe = "default:tree",
 })
 
-minetest.register_craft({
-	type = "cooking",
-	output = "default:coal_lump",
-	recipe = "default:jungletree",
-})
-
 minetest.register_craft({
 	type = "cooking",
 	output = "default:stone",
@@ -508,12 +502,6 @@ minetest.register_craft({
 	burntime = 30,
 })
 
-minetest.register_craft({
-	type = "fuel",
-	recipe = "default:jungletree",
-	burntime = 30,
-})
-
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:junglegrass",
@@ -796,6 +784,7 @@ minetest.register_node("default:clay", {
 minetest.register_node("default:brick", {
 	description = "Brick",
 	tiles ={"default_brick.png"},
+	is_ground_content = false,
 	groups = {cracky=3},
 	drop = 'default:clay_brick 4',
 	sounds = default.node_sound_stone_defaults(),
@@ -804,13 +793,7 @@ minetest.register_node("default:brick", {
 minetest.register_node("default:tree", {
 	description = "Tree",
 	tiles ={"default_tree_top.png", "default_tree_top.png", "default_tree.png"},
-	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=1},
-	sounds = default.node_sound_wood_defaults(),
-})
-
-minetest.register_node("default:jungletree", {
-	description = "Jungle Tree",
-	tiles ={"default_jungletree_top.png", "default_jungletree_top.png", "default_jungletree.png"},
+	is_ground_content = false,
 	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=1},
 	sounds = default.node_sound_wood_defaults(),
 })
@@ -834,6 +817,7 @@ minetest.register_node("default:leaves", {
 	visual_scale = 1.3,
 	tiles ={"default_leaves.png"},
 	paramtype = "light",
+	is_ground_content = false,
 	groups = {snappy=3},
 	drop = {
 		max_items = 1,
@@ -853,17 +837,6 @@ minetest.register_node("default:leaves", {
 	sounds = default.node_sound_leaves_defaults(),
 })
 
-minetest.register_node("default:jungleleaves", {
-	description = "Jungle Leaves",
-	drawtype = "allfaces_optional",
-	waving = 1,
-	visual_scale = 1.3,
-	tiles = {"default_jungleleaves.png"},
-	paramtype = "light",
-	groups = {snappy=3, leafdecay=3, flammable=2, leaves=1},
-	sounds = default.node_sound_leaves_defaults(),
-})
-
 minetest.register_node("default:cactus", {
 	description = "Cactus",
 	tiles ={"default_cactus_top.png", "default_cactus_top.png", "default_cactus_side.png"},
@@ -886,6 +859,7 @@ minetest.register_node("default:papyrus", {
 minetest.register_node("default:bookshelf", {
 	description = "Bookshelf",
 	tiles ={"default_wood.png", "default_wood.png", "default_bookshelf.png"},
+	is_ground_content = false,
 	groups = {snappy=2,choppy=3,oddly_breakable_by_hand=2},
 	sounds = default.node_sound_wood_defaults(),
 })
@@ -895,6 +869,7 @@ minetest.register_node("default:glass", {
 	drawtype = "glasslike",
 	tiles ={"default_glass.png"},
 	paramtype = "light",
+	is_ground_content = false,
 	sunlight_propagates = true,
 	groups = {snappy=2,cracky=3,oddly_breakable_by_hand=3},
 	sounds = default.node_sound_glass_defaults(),
@@ -907,6 +882,7 @@ minetest.register_node("default:fence_wood", {
 	inventory_image = "default_fence.png",
 	wield_image = "default_fence.png",
 	paramtype = "light",
+	is_ground_content = false,
 	selection_box = {
 		type = "fixed",
 		fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
@@ -922,6 +898,7 @@ minetest.register_node("default:rail", {
 	inventory_image = "default_rail.png",
 	wield_image = "default_rail.png",
 	paramtype = "light",
+	is_ground_content = false,
 	walkable = false,
 	selection_box = {
 		type = "fixed",
@@ -938,6 +915,7 @@ minetest.register_node("default:ladder", {
 	wield_image = "default_ladder.png",
 	paramtype = "light",
 	paramtype2 = "wallmounted",
+	is_ground_content = false,
 	walkable = false,
 	climbable = true,
 	selection_box = {
@@ -954,6 +932,7 @@ minetest.register_node("default:ladder", {
 minetest.register_node("default:wood", {
 	description = "Wood",
 	tiles ={"default_wood.png"},
+	is_ground_content = false,
 	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
 	sounds = default.node_sound_wood_defaults(),
 })
@@ -968,6 +947,7 @@ minetest.register_node("default:mese", {
 minetest.register_node("default:cloud", {
 	description = "Cloud",
 	tiles ={"default_cloud.png"},
+	is_ground_content = false,
 	sounds = default.node_sound_defaults(),
 })
 
@@ -1452,6 +1432,7 @@ minetest.register_abm({
 minetest.register_node("default:cobble", {
 	description = "Cobble",
 	tiles ={"default_cobble.png"},
+	is_ground_content = false,
 	groups = {cracky=3},
 	sounds = default.node_sound_stone_defaults(),
 })
@@ -1459,6 +1440,7 @@ minetest.register_node("default:cobble", {
 minetest.register_node("default:mossycobble", {
 	description = "Mossy Cobble",
 	tiles ={"default_mossycobble.png"},
+	is_ground_content = false,
 	groups = {cracky=3},
 	sounds = default.node_sound_stone_defaults(),
 })
@@ -1466,6 +1448,7 @@ minetest.register_node("default:mossycobble", {
 minetest.register_node("default:steelblock", {
 	description = "Steel Block",
 	tiles ={"default_steel_block.png"},
+	is_ground_content = false,
 	groups = {snappy=1,bendy=2},
 	sounds = default.node_sound_stone_defaults(),
 })
@@ -1511,6 +1494,7 @@ minetest.register_node("default:apple", {
 	tiles ={"default_apple.png"},
 	inventory_image = "default_apple.png",
 	paramtype = "light",
+	is_ground_content = false,
 	sunlight_propagates = true,
 	walkable = false,
 	groups = {fleshy=3,dig_immediate=3},
@@ -1518,74 +1502,6 @@ minetest.register_node("default:apple", {
 	sounds = default.node_sound_defaults(),
 })
 
-minetest.register_node("default:dirt_with_snow", {
-	description = "Dirt with Snow",
-	tiles = {"default_snow.png", "default_dirt.png", "default_dirt.png^default_snow_side.png"},
-	groups = {crumbly=3,soil=1},
-	drop = 'default:dirt',
-	sounds = default.node_sound_dirt_defaults(),
-})
-
-minetest.register_node("default:snow", {
-	description = "Snow",
-	tiles = {"default_snow.png"},
-	inventory_image = "default_snowball.png",
-	wield_image = "default_snowball.png",
-	paramtype = "light",
-	buildable_to = true,
-	drawtype = "nodebox",
-	node_box = {
-		type = "fixed",
-		fixed = {
-			{-0.5, -0.5, -0.5,  0.5, -0.5+2/16, 0.5},
-		},
-	},
-	groups = {crumbly=3,falling_node=1},
-	sounds = default.node_sound_dirt_defaults(),
-
-	on_construct = function(pos)
-		pos.y = pos.y - 1
-		if minetest.get_node(pos).name == "default:dirt_with_grass" then
-			minetest.set_node(pos, {name="default:dirt_with_snow"})
-		end
-	end,
-})
-
-minetest.register_node("default:snowblock", {
-	description = "Snow Block",
-	tiles = {"default_snow.png"},
-	groups = {crumbly=3},
-	sounds = default.node_sound_dirt_defaults(),
-})
-
-minetest.register_node("default:ice", {
-	description = "Ice",
-	tiles = {"default_ice.png"},
-	is_ground_content = false,
-	paramtype = "light",
-	groups = {cracky=3},
-	sounds = default.node_sound_glass_defaults(),
-})
-
-minetest.register_node("default:pinetree", {
-	description = "Pine Tree",
-	tiles = {"default_pinetree_top.png", "default_pinetree_top.png", "default_pinetree.png"},
-	paramtype2 = "facedir",
-	groups = {tree=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
-	sounds = default.node_sound_wood_defaults(),
-})
-
-minetest.register_node("default:pine_needles",{
-	description = "Pine Needles",
-	drawtype = "allfaces_optional",
-	visual_scale = 1.3,
-	tiles = {"default_pine_needles.png"},
-	waving = 1,
-	paramtype = "light",
-	groups = {snappy=3, leafdecay=3, flammable=2, leaves=1},
-	sounds = default.node_sound_leaves_defaults(),
-})
-
 --
 -- Grow tree function
 --
diff --git a/games/minimal/mods/default/mapgen.lua b/games/minimal/mods/default/mapgen.lua
index 7b0c7f467ab3faf6a821b8d6c1779564d250e525..2082d598369109f2cf46310859466792c58556af 100644
--- a/games/minimal/mods/default/mapgen.lua
+++ b/games/minimal/mods/default/mapgen.lua
@@ -10,19 +10,11 @@ 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_dirt_with_snow", "default:dirt_with_snow")
-minetest.register_alias("mapgen_snowblock", "default:snowblock")
-minetest.register_alias("mapgen_snow", "default:snow")
-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_junglegrass", "default:junglegrass")
-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")
@@ -106,6 +98,7 @@ minetest.register_ore({
 
 
 minetest.clear_registered_biomes()
+minetest.clear_registered_decorations()
 
 minetest.register_biome({
 	name = "default:grassland",
diff --git a/games/minimal/mods/default/textures/default_ice.png b/games/minimal/mods/default/textures/default_ice.png
deleted file mode 100644
index 2046eac6faf03dc0cf49e5af5919b3b6cc38c47e..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_ice.png and /dev/null differ
diff --git a/games/minimal/mods/default/textures/default_jungleleaves.png b/games/minimal/mods/default/textures/default_jungleleaves.png
deleted file mode 100644
index 870b4bb27e9debc742a57ecda1fa9857cbc56499..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_jungleleaves.png and /dev/null differ
diff --git a/games/minimal/mods/default/textures/default_jungletree.png b/games/minimal/mods/default/textures/default_jungletree.png
deleted file mode 100644
index a1fd36a51069c1a0a746d29a89fc36f8df6ab269..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_jungletree.png and /dev/null differ
diff --git a/games/minimal/mods/default/textures/default_jungletree_top.png b/games/minimal/mods/default/textures/default_jungletree_top.png
deleted file mode 100644
index a13fdae4abe96a586ad8ad3e3d69ddf4395c28c4..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_jungletree_top.png and /dev/null differ
diff --git a/games/minimal/mods/default/textures/default_pine_needles.png b/games/minimal/mods/default/textures/default_pine_needles.png
deleted file mode 100644
index 1a32f632da9b382172280a617b805168aa0f2aff..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_pine_needles.png and /dev/null differ
diff --git a/games/minimal/mods/default/textures/default_pinetree.png b/games/minimal/mods/default/textures/default_pinetree.png
deleted file mode 100644
index 4a5328ff385ebe307f299a8aeb7866da0713aa8d..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_pinetree.png and /dev/null differ
diff --git a/games/minimal/mods/default/textures/default_pinetree_top.png b/games/minimal/mods/default/textures/default_pinetree_top.png
deleted file mode 100644
index 8705710ed825fcf7cbbf6edf0de6b5b5ddb8b4f5..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_pinetree_top.png and /dev/null differ
diff --git a/games/minimal/mods/default/textures/default_snow.png b/games/minimal/mods/default/textures/default_snow.png
deleted file mode 100644
index 2a2439fb9ebddbb7273a05fbcda2cf4de278626b..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_snow.png and /dev/null differ
diff --git a/games/minimal/mods/default/textures/default_snow_side.png b/games/minimal/mods/default/textures/default_snow_side.png
deleted file mode 100644
index 3e98915131310783a3632d7622c61bdc0ca107b2..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_snow_side.png and /dev/null differ
diff --git a/games/minimal/mods/default/textures/default_snowball.png b/games/minimal/mods/default/textures/default_snowball.png
deleted file mode 100644
index ecdba9a39ce707ebe44d857e72114c72535caed9..0000000000000000000000000000000000000000
Binary files a/games/minimal/mods/default/textures/default_snowball.png and /dev/null differ