diff --git a/builtin/mainmenu/dlg_create_world_default.lua b/builtin/mainmenu/dlg_create_world_default.lua
deleted file mode 100644
index 706b91131..000000000
--- a/builtin/mainmenu/dlg_create_world_default.lua
+++ /dev/null
@@ -1,144 +0,0 @@
---Minetest
---Copyright (C) 2014 sapier
---
---This program is free software; you can redistribute it and/or modify
---it under the terms of the GNU Lesser General Public License as published by
---the Free Software Foundation; either version 3.0 of the License, or
---(at your option) any later version.
---
---This program is distributed in the hope that it will be useful,
---but WITHOUT ANY WARRANTY; without even the implied warranty of
---MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
---GNU Lesser General Public License for more details.
---
---You should have received a copy of the GNU Lesser General Public License along
---with this program; if not, write to the Free Software Foundation, Inc.,
---51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-local mapgens = {"v7p", "valleys", "flat", "superflat"}
-local mapgen_names = {"Default", "Valleys", "Flat", "Superflat"}
-
-local function create_world_formspec()
-	local current_seed = core.settings:get("fixed_map_seed") or ""
-	local current_mg   = core.settings:get("mg_name")
-
-	local selindex = math.max(table.indexof(mapgens, current_mg), 1)
-	local mglist = table.concat(mapgen_names, ",")
-
-	return "real_coordinates[true]formspec_version[3]" ..
-
-		"image[3.5,1.1;8.5,0.8;" .. defaulttexturedir_esc .. "field_bg.png;32]" ..
-		"style[te_world_name;border=false;bgcolor=transparent]" ..
-		"field[3.55,1.1;8.4,0.8;te_world_name;" .. fgettext("World name") .. ":;]" ..
-
-		"image[3.5,2.5;8.5,0.8;" .. defaulttexturedir_esc .. "field_bg.png;32]" ..
-		"style[te_seed;border=false;bgcolor=transparent]" ..
-		"field[3.55,2.5;8.4,0.8;te_seed;" .. fgettext("Seed") .. ":;".. current_seed .. "]" ..
-
-		"label[3.5,3.7;" .. fgettext("Mapgen") .. ":]"..
-		"dropdown[3.5,3.9;8.5,0.8;dd_mapgen;" .. mglist .. ";" .. selindex .. ";true]" ..
-
-		btn_style("world_create_confirm", "green") ..
-		"button[4.1,5.3;3.5,0.8;world_create_confirm;" .. fgettext("Create") .. "]" ..
-		btn_style("world_create_cancel") ..
-		"button[7.9,5.3;3.5,0.8;world_create_cancel;" .. fgettext("Cancel") .. "]"
-end
-
-local function create_world_buttonhandler(this, fields)
-	if fields["world_create_confirm"] or
-		fields["key_enter"] then
-		local worldname = fields["te_world_name"]
-		local gameid = core.settings:get("menu_last_game")
-		local gameindex = 0
-		if gameid ~= nil then
-			local _
-			_, gameindex = pkgmgr.find_by_gameid(gameid)
-
-			if gameindex == nil then
-				gameindex = 0
-			end
-		end
-
-		if gameindex ~= 0 then
-			-- For unnamed worlds use the generated name 'World <number>',
-			-- where the number increments: it is set to 1 larger than the largest
-			-- generated name number found.
-			if worldname == "" then
-				menudata.worldlist:set_filtercriteria(nil) -- to count all existing worlds
-				local worldnum_max = 0
-				for _, world in ipairs(menudata.worldlist:get_list()) do
-					-- Match "World 1" and "World 1 a" (but not "World 1a")
-					local worldnum = world.name:match("^World (%d+)$") or world.name:match("^World (%d+) ")
-					if worldnum then
-						worldnum_max = math.max(worldnum_max, tonumber(worldnum))
-					end
-				end
-				worldname = "World " .. worldnum_max + 1
-			end
-
-			if fields["te_seed"] then
-				core.settings:set("fixed_map_seed", fields["te_seed"])
-			end
-
-			local message
-			if not menudata.worldlist:uid_exists_raw(worldname) then
-				local old_mg_flags
-				local mapgen = mapgens[tonumber(fields["dd_mapgen"])]
-				if mapgen == "superflat" then
-					core.settings:set("mg_name", "flat")
-					old_mg_flags = core.settings:get("mg_flags")
-					core.settings:set("mg_flags", "nocaves,nodungeons,nodecorations")
-				else
-					core.settings:set("mg_name", mapgen)
-				end
-				message = core.create_world(worldname,gameindex)
-
-				-- Restore the old mg_flags setting if creating a superflat world
-				if mapgen == "superflat" then
-					core.settings:set("mg_name", "superflat")
-					if old_mg_flags then
-						core.settings:set("mg_flags", old_mg_flags)
-					else
-						core.settings:remove("mg_flags")
-					end
-				end
-			else
-				message = fgettext("A world named \"$1\" already exists", worldname)
-			end
-
-			if message ~= nil then
-				gamedata.errormessage = message
-			else
-				if this.data.update_worldlist_filter then
-					menudata.worldlist:set_filtercriteria(pkgmgr.games[gameindex].id)
-				end
-				menudata.worldlist:refresh()
-				core.settings:set("mainmenu_last_selected_world",
-									menudata.worldlist:raw_index_by_uid(worldname))
-			end
-		else
-			gamedata.errormessage = fgettext("No game selected")
-		end
-
-		this:delete()
-		return true
-	end
-
-	if fields["world_create_cancel"] then
-		this:delete()
-		return true
-	end
-
-	return false
-end
-
-
-function create_create_world_default_dlg(update_worldlistfilter)
-	local retval = dialog_create("sp_create_world",
-					create_world_formspec,
-					create_world_buttonhandler,
-					nil, true)
-	retval.update_worldlist_filter = update_worldlistfilter
-
-	return retval
-end
diff --git a/builtin/mainmenu/init.lua b/builtin/mainmenu/init.lua
index 69dd10ef4..188e57aba 100644
--- a/builtin/mainmenu/init.lua
+++ b/builtin/mainmenu/init.lua
@@ -44,7 +44,6 @@ dofile(menupath .. DIR_DELIM .. "textures.lua")
 dofile(menupath .. DIR_DELIM .. "dlg_config_world.lua")
 dofile(menupath .. DIR_DELIM .. "dlg_contentstore.lua")
 dofile(menupath .. DIR_DELIM .. "dlg_create_world.lua")
-dofile(menupath .. DIR_DELIM .. "dlg_create_world_default.lua")
 dofile(menupath .. DIR_DELIM .. "dlg_delete_content.lua")
 dofile(menupath .. DIR_DELIM .. "dlg_delete_world.lua")
 dofile(menupath .. DIR_DELIM .. "dlg_rename_modpack.lua")
@@ -66,7 +65,6 @@ end
 
 tabs.content  = dofile(menupath .. DIR_DELIM .. "tab_content.lua")
 tabs.credits  = dofile(menupath .. DIR_DELIM .. "tab_credits.lua")
-tabs.local_default_game = dofile(menupath .. DIR_DELIM .. "tab_local_default.lua")
 tabs.local_game = dofile(menupath .. DIR_DELIM .. "tab_local.lua")
 tabs.play_online = dofile(menupath .. DIR_DELIM .. "tab_online.lua")
 
@@ -138,14 +136,6 @@ function menudata.init_tabs()
 		texture_prefix = "authors"
 	})
 
-	for i = 1, #pkgmgr.games do
-		if pkgmgr.games[i].id == "default" then
-			tv_main:add(tabs.local_default_game)
-			tabs.local_game.hidden = true
-			break
-		end
-	end
-
 	tv_main:add(tabs.local_game)
 	if func then
 		func(tv_main)
diff --git a/builtin/mainmenu/tab_local_default.lua b/builtin/mainmenu/tab_local_default.lua
deleted file mode 100644
index cba0d5685..000000000
--- a/builtin/mainmenu/tab_local_default.lua
+++ /dev/null
@@ -1,313 +0,0 @@
---Minetest
---Copyright (C) 2014 sapier
---
---This program is free software; you can redistribute it and/or modify
---it under the terms of the GNU Lesser General Public License as published by
---the Free Software Foundation; either version 3.0 of the License, or
---(at your option) any later version.
---
---This program is distributed in the hope that it will be useful,
---but WITHOUT ANY WARRANTY; without even the implied warranty of
---MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
---GNU Lesser General Public License for more details.
---
---You should have received a copy of the GNU Lesser General Public License along
---with this program; if not, write to the Free Software Foundation, Inc.,
---51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-local small_screen = (PLATFORM == "Android" or PLATFORM == "iOS") and not core.settings:get_bool("device_is_tablet")
-
-local function menu_render_worldlist()
-	local retval = {}
-
-	local creative = core.settings:get_bool("creative_mode", false)
-	local damage = core.settings:get_bool("enable_damage", true)
-
-	for _, world in ipairs(menudata.worldlist:get_list()) do
-		if world.creative_mode == nil or world.enable_damage == nil then
-			-- There's a built-in menu_worldmt function that can read from
-			-- world.mt but it would read from the file once for each setting
-			-- read
-			local world_conf = Settings(world.path .. DIR_DELIM .. "world.mt")
-			world.creative_mode = world_conf:get_bool("creative_mode", creative)
-			world.enable_damage = world_conf:get_bool("enable_damage", damage)
-		end
-
-		retval[#retval + 1] = world.creative_mode and "5" or "4"
-		retval[#retval + 1] = core.formspec_escape(world.name)
-	end
-
-	return table.concat(retval, ",")
-end
-
-local function get_formspec(this)
-	local index = filterlist.get_current_index(menudata.worldlist,
-				tonumber(core.settings:get("mainmenu_last_selected_world")))
-	if not index or index < 1 then
-		local selected = core.get_table_index("sp_worlds")
-		if selected ~= nil and selected < #menudata.worldlist:get_list() then
-			index = selected
-		else
-			index = 1
-		end
-	end
-
-	local space = small_screen and ("\n"):rep(3) or ("\n"):rep(5)
-	local c_label = utf8.gsub(fgettext("Creative mode"), "(%w)(%w+)",
-		function(a, b) return utf8.upper(a) .. b end)
-	local retval =
-			"style[world_delete,world_create;font_size=*" ..
-				(small_screen and 1.2 or 1.5) .. "]" ..
-			btn_style("world_delete", "left") ..
-			"image_button[-0.12,4.85;3.48,0.9;;world_delete;" .. fgettext("Delete") .. ";true;false]" ..
-			"image[0.1,5;0.5,0.5;" .. defaulttexturedir_esc .. "gui" .. DIR_DELIM_esc .. "world_delete.png]" ..
-
-			btn_style("world_create", "right") ..
-			"image_button[3.14,4.85;3.48,0.9;;world_create;".. fgettext("Create") .. ";true;false]" ..
-			"image[3.35,5;0.5,0.5;" .. defaulttexturedir_esc .. "gui" .. DIR_DELIM_esc .. "world_create.png]" ..
-
-			btn_style("play") ..
-			"style[play;font_size=*" .. (small_screen and 2.25 or 3) .. "]" ..
-			"image_button[6.72,1.43;4.96,1.41;;play;" .. space .. " " ..
-				fgettext("Play") .. space .. ";true;false]" ..
-			"image[7,1.63;1,1;" .. defaulttexturedir_esc .. "btn_play_icon.png]" ..
-
-			"style[cb_creative_mode;content_offset=0;font_size=*" .. (small_screen and 1.2 or 1.5) ..
-				";textcolor=#53659C]" ..
-			"image_button[6.86,3.09;4.65,0.83;" .. defaulttexturedir_esc .. "creative_bg.png;cb_creative_mode;;true;false]" ..
-			"image[6.96,3.19;0.55,0.55;" .. defaulttexturedir_esc .. "gui" .. DIR_DELIM_esc ..
-				(core.settings:get_bool("creative_mode") and "checkbox_checked" or "checkbox") .. ".png]" ..
-			"image_button[7.31,3.09;4.2,0.83;;cb_creative_mode;" .. c_label .. ";true;false]" ..
-
-			"background9[0,0;6.5,4.8;" .. defaulttexturedir_esc .. "worldlist_bg.png;false;40]" ..
-			"tableoptions[background=#0000;border=false]" ..
-			"tablecolumns[" .. image_column(fgettext("Creative mode")) .. ";text]" ..
-			scrollbar_style("sp_worlds") ..
-			"table[0,0;6.28,4.64;sp_worlds;" .. menu_render_worldlist() .. ";" .. index .. "]"
-
-	local enable_server = core.settings:get_bool("enable_server")
-	if enable_server then
-		retval = retval ..
-			"checkbox[6.6,5;cb_server;".. fgettext("Create Server") ..";" ..
-				dump(enable_server) .. "]"
-	end
-
-	if enable_server then
-		if core.settings:get_bool("server_announce") then
-			retval = retval ..
-				"checkbox[9.3,5;cb_server_announce;" .. fgettext("Announce Server") .. ";true]"
-		end
-
-		retval = retval ..
-			-- Name / Password
-			"field[6.9,4.6;2.8,0.5;te_playername;" .. fgettext("Name") .. ":;" ..
-				core.formspec_escape(core.settings:get("name")) .. "]" ..
-			"pwdfield[9.6,4.6;2.8,0.5;te_passwd;" .. fgettext("Password") .. ":]"
-	end
-
-	return retval
-end
-
-local function main_button_handler(this, fields, name)
-	assert(name == "local_default")
-
-	local world_doubleclick = false
-
-	if fields["sp_worlds"] ~= nil then
-		local event = core.explode_table_event(fields["sp_worlds"])
-		local selected = core.get_table_index("sp_worlds")
-
-		if event.type == "DCL" then
-			world_doubleclick = true
-		end
-
-		if event.type == "CHG" and selected ~= nil then
-			local world = menudata.worldlist:get_list()[selected]
-			if world and world.creative_mode ~= nil and
-					world.enable_damage ~= nil then
-				core.settings:set_bool("creative_mode", world.creative_mode)
-				core.settings:set_bool("enable_damage", world.enable_damage)
-			end
-
-			core.settings:set("mainmenu_last_selected_world",
-				menudata.worldlist:get_raw_index(selected))
-			return true
-		end
-	end
-
-	if menu_handle_key_up_down(fields,"sp_worlds","mainmenu_last_selected_world") then
-		return true
-	end
-
-	if fields["cb_creative_mode"] then
-		local creative_mode = core.settings:get_bool("creative_mode", false)
-		core.settings:set_bool("creative_mode", not creative_mode)
-		core.settings:set_bool("enable_damage", creative_mode)
-
-		local selected = core.get_table_index("sp_worlds")
-		local world = menudata.worldlist:get_list()[selected]
-		if world then
-			-- Update the cached values
-			world.creative_mode = not creative_mode
-			world.enable_damage = creative_mode
-
-			-- Update the settings in world.mt
-			local world_conf = Settings(world.path .. DIR_DELIM .. "world.mt")
-			world_conf:set_bool("creative_mode", not creative_mode)
-			world_conf:set_bool("enable_damage", creative_mode)
-			world_conf:write()
-		end
-
-		return true
-	end
-
-	if fields["cb_server"] then
-		core.settings:set("enable_server", fields["cb_server"])
-
-		return true
-	end
-
-	if fields["cb_server_announce"] then
-		core.settings:set("server_announce", fields["cb_server_announce"])
-		local selected = core.get_table_index("srv_worlds")
-		menu_worldmt(selected, "server_announce", fields["cb_server_announce"])
-
-		return true
-	end
-
-	if fields["play"] ~= nil or world_doubleclick or fields["key_enter"] then
-		local selected = core.get_table_index("sp_worlds")
-		gamedata.selected_world = menudata.worldlist:get_raw_index(selected)
-		core.settings:set("maintab_LAST", "local_default")
-		core.settings:set("mainmenu_last_selected_world", gamedata.selected_world)
-
-		if core.settings:get_bool("enable_server") then
-			if selected ~= nil and gamedata.selected_world ~= 0 then
-				gamedata.playername = fields["te_playername"]
-				gamedata.password   = fields["te_passwd"]
-				gamedata.port       = fields["te_serverport"]
-				gamedata.address    = ""
-
-				core.settings:set_bool("auto_connect", false)
-				if fields["port"] ~= nil then
-					core.settings:set("port",fields["port"])
-				end
-				if fields["te_serveraddr"] ~= nil then
-					core.settings:set("bind_address",fields["te_serveraddr"])
-				end
-
-				--update last game
-				local world = menudata.worldlist:get_raw_element(gamedata.selected_world)
-				if world then
-					core.settings:set("menu_last_game", "default")
-				end
-
-				core.start()
-			else
-				gamedata.errormessage =
-					fgettext("No world created or selected!")
-			end
-		else
-			if selected ~= nil and gamedata.selected_world ~= 0 then
-				gamedata.singleplayer = true
-				core.settings:set_bool("auto_connect", true)
-				core.settings:set("connect_time", os.time())
-				core.start()
-			else
-				gamedata.errormessage =
-					fgettext("No world created or selected!")
-			end
-			return true
-		end
-	end
-
-	if fields["world_create"] ~= nil then
-		core.settings:set("menu_last_game", "default")
-		local create_world_dlg = create_create_world_default_dlg(true)
-		create_world_dlg:set_parent(this)
-		this:hide()
-		create_world_dlg:show()
-		return true
-	end
-
-	if fields["world_delete"] ~= nil then
-		local selected = core.get_table_index("sp_worlds")
-		if selected ~= nil and
-			selected <= menudata.worldlist:size() then
-			local world = menudata.worldlist:get_list()[selected]
-			if world ~= nil and
-				world.name ~= nil and
-				world.name ~= "" then
-				local index = menudata.worldlist:get_raw_index(selected)
-				local delete_world_dlg = create_delete_world_dlg(world.name,index)
-				delete_world_dlg:set_parent(this)
-				this:hide()
-				delete_world_dlg:show()
-			end
-		end
-
-		return true
-	end
-
-	if fields["switch_local"] then
-		this:set_tab("local")
-		return true
-	end
-
---[[if fields["world_configure"] ~= nil then
-		local selected = core.get_table_index("sp_worlds")
-		if selected ~= nil then
-			local configdialog =
-				create_configure_world_dlg(
-						menudata.worldlist:get_raw_index(selected))
-
-			if (configdialog ~= nil) then
-				configdialog:set_parent(this)
-				this:hide()
-				configdialog:show()
-			end
-		end
-
-		return true
-	end]]
-end
-
-local function on_change(type, _, _, this)
-	if (type == "ENTER") then
-		local gameid = core.settings:get("menu_last_game")
-
-		local game = pkgmgr.find_by_gameid(gameid)
-		if game then
-			if gameid ~= "default"  then
-				this:set_tab("local")
-			else
-				mm_texture.update("singleplayer",game)
-				menudata.worldlist:set_filtercriteria("default")
-
-				-- Update creative_mode and enable_damage settings
-				local index = filterlist.get_current_index(menudata.worldlist,
-						tonumber(core.settings:get("mainmenu_last_selected_world")))
-				local world = menudata.worldlist:get_list()[index] or menudata.worldlist:get_list()[1]
-				if world then
-					if world.creative_mode == nil or world.enable_damage == nil then
-						local world_conf = Settings(world.path .. DIR_DELIM .. "world.mt")
-						world.creative_mode = world_conf:get_bool("creative_mode")
-						world.enable_damage = world_conf:get_bool("enable_damage")
-					end
-
-					core.settings:set_bool("creative_mode", world.creative_mode)
-					core.settings:set_bool("enable_damage", world.enable_damage)
-				end
-			end
-		end
-	end
-end
-
---------------------------------------------------------------------------------
-return {
-	name = "local_default",
-	caption = fgettext("Singleplayer"),
-	cbf_formspec = get_formspec,
-	cbf_button_handler = main_button_handler,
-	on_change = on_change
-}