diff --git a/data/gui/window/campaign_settings.cfg b/data/gui/window/campaign_settings.cfg
deleted file mode 100644
index 586ac7faedc7..000000000000
--- a/data/gui/window/campaign_settings.cfg
+++ /dev/null
@@ -1,333 +0,0 @@
-#textdomain wesnoth-lib
-
-[window]
-    id = "campaign_settings"
-    description = "Singleplayer advanced settings dialog."
-
-    [resolution]
-        definition = "default"
-
-        maximum_width = 800
-
-        automatic_placement = true
-        vertical_placement = "center"
-        horizontal_placement = "center"
-
-        [linked_group]
-            id = "era"
-            fixed_width = true
-        [/linked_group]
-
-        [linked_group]
-            id = "mod"
-            fixed_width = true
-        [/linked_group]
-
-        [tooltip]
-            id = "tooltip"
-        [/tooltip]
-
-        [helptip]
-            id = "tooltip"
-        [/helptip]
-
-        [grid]
-
-            [row]
-                grow_factor = 0
-
-                [column]
-                    grow_factor = 1
-
-                    border = "all"
-                    border_size = 5
-                    horizontal_alignment = "left"
-                    [label]
-                        definition = "title"
-
-                        label = _ "Advanced Settings"
-                    [/label]
-
-                [/column]
-
-                [column]
-
-                    horizontal_grow = true
-                    vertical_grow = true
-
-                    [spacer]
-                    [/spacer]
-
-                [/column]
-
-            [/row]
-
-            [row]
-
-                [column]
-                    grow_factor = 1
-
-                    border = "all"
-                    border_size = 5
-                    horizontal_alignment = "left"
-
-                    [label]
-                        definition = "default"
-
-                        label = _ "Additional dialogs:"
-                    [/label]
-
-                [/column]
-
-                [column]
-
-                    [spacer]
-                    [/spacer]
-
-                [/column]
-
-            [/row]
-
-            [row]
-
-                [column]
-                    grow_factor = 1
-
-                    border = "all"
-                    border_size = 5
-                    horizontal_alignment = "left"
-
-                    [spacer]
-                    [/spacer]
-
-                [/column]
-
-                [column]
-                    grow_factor = 1
-
-                    border = "all"
-                    border_size = 5
-                    horizontal_alignment = "left"
-
-                    [toggle_button]
-                        definition = "default"
-                        id = "mp_connect"
-
-                        label = _ "Configure sides"
-                    [/toggle_button]
-
-                [/column]
-
-            [/row]
-
-            [row]
-                [column]
-                    [spacer]
-                        height = 5
-                    [/spacer]
-                [/column]
-                [column]
-                    [spacer]
-                        height = 5
-                    [/spacer]
-                [/column]
-            [/row]
-
-            [row]
-
-                [column]
-
-                    horizontal_grow = true
-                    vertical_grow = true
-
-                    [grid]
-
-                        [row]
-                            grow_factor = 0
-
-                            [column]
-                                border = "all"
-                                border_size = 5
-                                horizontal_grow = true
-
-                                [label]
-                                    definition = "default"
-                                    id = "era_label"
-
-                                    label = _ "Era:"
-                                [/label]
-
-                            [/column]
-
-                        [/row]
-
-                        [row]
-                            grow_factor = 1
-
-                            [column]
-                                border = "all"
-                                border_size = 5
-
-                                horizontal_grow = true
-                                vertical_grow = true
-
-                                [listbox]
-                                    id = "era_list"
-                                    definition = "default"
-
-                                    [list_definition]
-
-                                        [row]
-
-                                            [column]
-                                                horizontal_grow = true
-                                                vertical_grow = true
-
-                                                [toggle_panel]
-                                                    definition = "default"
-
-                                                    [grid]
-
-                                                        [row]
-
-                                                            [column]
-                                                                horizontal_grow = true
-                                                                vertical_grow = true
-                                                                border = "all"
-                                                                border_size = 5
-
-                                                                [label]
-                                                                    id = "era"
-                                                                    linked_group = "era"
-                                                                    definition = "default"
-                                                                [/label]
-
-                                                            [/column]
-
-                                                        [/row]
-
-                                                    [/grid]
-
-                                                [/toggle_panel]
-
-                                            [/column]
-
-                                        [/row]
-
-                                    [/list_definition]
-
-                                [/listbox]
-
-                            [/column]
-
-                        [/row]
-
-                    [/grid]
-
-                [/column]
-
-                [column]
-                    horizontal_grow = true
-                    vertical_grow = true
-
-                    [grid]
-
-                        [row]
-
-                            [column]
-                                border = "all"
-                                border_size = 5
-                                horizontal_grow = true
-
-                                [label]
-                                    definition = "default"
-                                    id = "mod_label"
-
-                                    label = _ "Modifications:"
-                                [/label]
-
-                            [/column]
-
-                        [/row]
-
-                        [row]
-
-                            [column]
-                                border = "all"
-                                border_size = 5
-
-                                horizontal_grow = true
-                                vertical_grow = true
-
-                                [listbox]
-                                    id = "modification_list"
-                                    definition = "default"
-                                    has_minimum = false
-                                    has_maximum = false
-
-                                    [list_definition]
-
-                                        [row]
-
-                                            [column]
-                                                horizontal_grow = true
-                                                vertical_grow = true
-                                                border = "all"
-                                                border_size = 5
-
-                                                [toggle_button]
-                                                    id = "mod"
-                                                    linked_group = "mod"
-                                                    definition = "default"
-                                                [/toggle_button]
-
-                                            [/column]
-
-                                        [/row]
-
-                                    [/list_definition]
-
-                                [/listbox]
-
-                            [/column]
-
-                        [/row]
-
-                    [/grid]
-
-                [/column]
-
-            [/row]
-
-            [row]
-                grow_factor = 0
-
-                [column]
-
-                    [spacer]
-                    [/spacer]
-
-                [/column]
-
-                [column]
-                    border = "all"
-                    border_size = 5
-
-                    horizontal_alignment = "right"
-
-                    [button]
-                        id = "ok"
-                        definition = "default"
-
-                        label = _ "OK"
-                    [/button]
-
-                [/column]
-
-            [/row]
-
-        [/grid]
-
-    [/resolution]
-
-[/window]
diff --git a/projectfiles/CodeBlocks/wesnoth.cbp b/projectfiles/CodeBlocks/wesnoth.cbp
index 786123fc3a0d..0af01f38a3b0 100644
--- a/projectfiles/CodeBlocks/wesnoth.cbp
+++ b/projectfiles/CodeBlocks/wesnoth.cbp
@@ -532,8 +532,6 @@
 		<Unit filename="../../src/gui/dialogs/campaign_difficulty.hpp" />
 		<Unit filename="../../src/gui/dialogs/campaign_selection.cpp" />
 		<Unit filename="../../src/gui/dialogs/campaign_selection.hpp" />
-		<Unit filename="../../src/gui/dialogs/campaign_settings.cpp" />
-		<Unit filename="../../src/gui/dialogs/campaign_settings.hpp" />
 		<Unit filename="../../src/gui/dialogs/chat_log.cpp" />
 		<Unit filename="../../src/gui/dialogs/chat_log.hpp" />
 		<Unit filename="../../src/gui/dialogs/core_selection.cpp" />
diff --git a/source_lists/wesnoth b/source_lists/wesnoth
index 50ca444aa1eb..5f0c81ecbd83 100644
--- a/source_lists/wesnoth
+++ b/source_lists/wesnoth
@@ -170,7 +170,6 @@ gui/dialogs/advanced_graphics_options.cpp
 gui/dialogs/attack_predictions.cpp
 gui/dialogs/campaign_difficulty.cpp
 gui/dialogs/campaign_selection.cpp
-gui/dialogs/campaign_settings.cpp
 gui/dialogs/chat_log.cpp
 gui/dialogs/core_selection.cpp
 gui/dialogs/debug_clock.cpp
diff --git a/src/gui/dialogs/campaign_selection.cpp b/src/gui/dialogs/campaign_selection.cpp
index edf80c06538e..1d77894f1471 100644
--- a/src/gui/dialogs/campaign_selection.cpp
+++ b/src/gui/dialogs/campaign_selection.cpp
@@ -20,7 +20,6 @@
 #include "game_preferences.hpp"
 #include "gui/auxiliary/find_widget.hpp"
 #include "gui/dialogs/helper.hpp"
-#include "gui/dialogs/campaign_settings.hpp"
 #include "gui/widgets/button.hpp"
 #include "gui/widgets/image.hpp"
 #ifdef GUI2_EXPERIMENTAL_LISTBOX
@@ -106,11 +105,6 @@ void campaign_selection::campaign_selected(window& window)
 
 }
 
-void campaign_selection::show_settings(CVideo& video) {
-	campaign_settings settings_dlg(engine_);
-	settings_dlg.show(video);
-}
-
 void campaign_selection::pre_show(window& window)
 {
 	/***** Setup campaign tree. *****/
@@ -189,14 +183,6 @@ void campaign_selection::pre_show(window& window)
 	}
 
 	campaign_selected(window);
-
-	/***** Setup advanced settings button *****/
-	button* advanced_settings_button =
-			find_widget<button>(&window, "advanced_settings", false, false);
-	if(advanced_settings_button) {
-		advanced_settings_button->connect_click_handler(
-			std::bind(&campaign_selection::show_settings, this, std::ref(window.video())));
-	}
 }
 
 void campaign_selection::post_show(window& window)
diff --git a/src/gui/dialogs/campaign_selection.hpp b/src/gui/dialogs/campaign_selection.hpp
index 7d180bd7c9f7..9d269bbe8ab5 100644
--- a/src/gui/dialogs/campaign_selection.hpp
+++ b/src/gui/dialogs/campaign_selection.hpp
@@ -57,8 +57,6 @@ class campaign_selection : public modal_dialog
 	/** Inherited from modal_dialog, implemented by REGISTER_DIALOG. */
 	virtual const std::string& window_id() const override;
 
-	void show_settings(CVideo& video);
-
 	/** Inherited from modal_dialog. */
 	virtual void pre_show(window& window) override;
 
diff --git a/src/gui/dialogs/campaign_settings.cpp b/src/gui/dialogs/campaign_settings.cpp
deleted file mode 100644
index 9f9840d91ebb..000000000000
--- a/src/gui/dialogs/campaign_settings.cpp
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
-   Copyright (C) 2014 - 2017 by Nathan Walker <nathan.b.walker@vanderbilt.edu>
-   Part of the Battle for Wesnoth Project http://www.wesnoth.org/
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 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.
-
-   See the COPYING file for more details.
-*/
-
-#define GETTEXT_DOMAIN "wesnoth-lib"
-
-#include "saved_game.hpp"
-#include "gettext.hpp"
-#include "gui/auxiliary/find_widget.hpp"
-#include "gui/dialogs/campaign_settings.hpp"
-#include "gui/widgets/button.hpp"
-#include "gui/widgets/label.hpp"
-#ifdef GUI2_EXPERIMENTAL_LISTBOX
-#include "gui/widgets/list.hpp"
-#else
-#include "gui/widgets/listbox.hpp"
-#endif
-#include "gui/widgets/settings.hpp"
-#include "gui/widgets/toggle_button.hpp"
-#include "gui/widgets/window.hpp"
-
-#include "utils/functional.hpp"
-
-namespace gui2
-{
-namespace dialogs
-{
-
-/*WIKI
- * @page = GUIWindowDefinitionWML
- * @order = 2_campaign_settings
- *
- * == Campaign settings ==
- *
- * This shows the dialog which allows the user to select an era
- * and modifications for the selected campaign, and to show
- * dialogs for additional level configuration.
- *
- * @begin{table}{dialog_widgets}
- *
- * title & & label & m &
- *         Dialog title label. $
- *
- * mp_configure & & toggle_button & m &
- *         Option to show the multiplayer configure dialog. $
- *
- * mp_connect & & toggle_button & m &
- *         Option to show the multiplayer connect dialog. $
- *
- * era_label & & label & m &
- *         The label for the era list. $
- *
- * era_list & & listbox & m &
- *         List of available eras. $
- *
- * -era & & label & o &
- *         The name of the era. One can be selected at a time. $
- *
- * mod_label & & label & m &
- *         The label for the modification list. $
- *
- * modification_list & & listbox & m &
- *         List of available modifications. $
- *
- * -mod & & toggle_button & o &
- *         The name of the modification. Each can be enabled or disabled. $
- *
- * @end{table}
- */
-
-REGISTER_DIALOG(campaign_settings)
-
-campaign_settings::campaign_settings(ng::create_engine& eng)
-		: engine_(eng)
-{ }
-
-
-void campaign_settings::change_era(window& window)
-{
-	listbox& list = find_widget<listbox>(&window, "era_list", false);
-	engine_.set_current_era_index(list.get_selected_row());
-}
-
-void campaign_settings::change_mod(size_t index, window&)
-{
-	engine_.set_current_mod_index(index);
-	// force toggle mod.
-	engine_.toggle_current_mod(true);
-}
-
-void campaign_settings::update_lists(window& window)
-{
-	listbox& era_list = find_widget<listbox>(&window, "era_list", false);
-	listbox& mod_list = find_widget<listbox>(&window, "modification_list", false);
-	label& era_label = find_widget<label>(&window, "era_label", false);
-	label& mod_label = find_widget<label>(&window, "mod_label", false);
-
-	era_list.clear();
-
-	if (engine_.current_level().allow_era_choice()) {
-		for (std::string era : engine_.extras_menu_item_names(ng::create_engine::ERA)) {
-			std::map<std::string, string_map> row;
-			string_map column;
-
-			column["label"] = era;
-			row.emplace("era", column);
-
-			era_list.add_row(row);
-		}
-		era_list.select_row(engine_.current_era_index());
-	}
-	else {
-		era_label.set_label(_("Era:\n\nNot allowed."));
-		era_list.set_active(false);
-	}
-
-	mod_list.clear();
-
-	{
-		int i = 0;
-		for (const ng::create_engine::extras_metadata_ptr mod : engine_.get_const_extras_by_type(ng::create_engine::MOD)) {
-			std::map<std::string, string_map> row;
-			string_map column;
-
-			column["label"] = mod->name;
-			row.emplace("mod", column);
-
-			mod_list.add_row(row);
-
-			std::vector<std::string> enabled = engine_.active_mods();
-			mod_list.select_row(i,
-				std::find(enabled.begin(), enabled.end(), mod->id)
-				!= enabled.end());
-
-			++i;
-		}
-		if (i == 0) {
-			mod_label.set_label(_("Modifications:\n\nNone found."));
-			mod_list.set_active(false);
-		}
-	}
-}
-
-void campaign_settings::pre_show(window& window)
-{
-	find_widget<toggle_button>(&window, "mp_connect", false).set_value(
-		engine_.get_state().mp_settings().show_connect);
-
-	update_lists(window);
-
-	listbox& era_list = find_widget<listbox>(&window, "era_list", false);
-	listbox& mod_list = find_widget<listbox>(&window, "modification_list", false);
-
-	toggle_button& connect_toggle = find_widget<toggle_button>(&window, "mp_connect", false);
-
-	const config::attribute_value& show_connect = engine_.current_level().data()["show_connect"];
-	if (show_connect.blank() || show_connect.str() == "user") {
-		connect_toggle.set_active(true);
-	} else {
-		connect_toggle.set_value(show_connect.to_bool());
-		connect_toggle.set_active(false);
-	}
-
-	era_list.set_callback_item_change(
-			std::bind(&campaign_settings::change_era, this, std::ref(window)));
-	mod_list.set_callback_item_change(
-			std::bind(&campaign_settings::change_mod, this, _1, std::ref(window)));
-}
-
-void campaign_settings::post_show(window& window)
-{
-	engine_.get_state().mp_settings().show_connect =
-		find_widget<toggle_button>(&window, "mp_connect", false).get_value_bool();
-}
-
-} // namespace dialogs
-} // namespace gui2
diff --git a/src/gui/dialogs/campaign_settings.hpp b/src/gui/dialogs/campaign_settings.hpp
deleted file mode 100644
index 8607afd20055..000000000000
--- a/src/gui/dialogs/campaign_settings.hpp
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-   Copyright (C) 2014 - 2017 by Nathan Walker <nathan.b.walker@vanderbilt.edu>
-   Part of the Battle for Wesnoth Project http://www.wesnoth.org/
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 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.
-
-   See the COPYING file for more details.
-*/
-
-#ifndef GUI_DIALOGS_CAMPAIGN_SETTINGS_HPP_INCLUDED
-#define GUI_DIALOGS_CAMPAIGN_SETTINGS_HPP_INCLUDED
-
-#include "gui/dialogs/modal_dialog.hpp"
-
-#include "addon/validation.hpp"
-#include "addon/state.hpp"
-
-#include "game_initialization/create_engine.hpp"
-
-namespace gui2
-{
-namespace dialogs
-{
-
-class campaign_settings : public modal_dialog
-{
-public:
-	campaign_settings(ng::create_engine& eng);
-
-	// whether configure is enabled
-	bool enable_configure();
-
-	// whether connect is enabled
-	bool enable_connect();
-
-private:
-	ng::create_engine& engine_;
-
-	// called on era change
-	// sets era via create_engine
-	void change_era(window& window);
-
-	// called on mod change
-	// sets mod via create_engine
-	void change_mod(size_t index, window& window);
-
-	// populate era and mod lists
-	void update_lists(window& window);
-
-	/** Inherited from modal_dialog, implemented by REGISTER_DIALOG. */
-	virtual const std::string& window_id() const override;
-
-	/** Inherited from modal_dialog. */
-	virtual void pre_show(window& window) override;
-
-	/** Inherited from modal_dialog. */
-	virtual void post_show(window& window) override;
-
-};
-
-} // namespace dialogs
-} // end namespace gui2
-#endif
diff --git a/src/tests/gui/test_gui2.cpp b/src/tests/gui/test_gui2.cpp
index 0999975e9713..ef81f8a7b722 100644
--- a/src/tests/gui/test_gui2.cpp
+++ b/src/tests/gui/test_gui2.cpp
@@ -39,7 +39,6 @@
 #include "gui/dialogs/attack_predictions.hpp"
 #include "gui/dialogs/campaign_difficulty.hpp"
 #include "gui/dialogs/campaign_selection.hpp"
-#include "gui/dialogs/campaign_settings.hpp"
 #include "gui/dialogs/chat_log.hpp"
 #include "gui/dialogs/core_selection.hpp"
 #include "gui/dialogs/debug_clock.hpp"
@@ -399,7 +398,6 @@ BOOST_AUTO_TEST_CASE(test_gui2)
 	//test<attack_predictions>();
 	test<campaign_difficulty>();
 	test<campaign_selection>();
-	test<campaign_settings>();
 	test<chat_log>();
 	test<core_selection>();
 	test<custom_tod>();
@@ -599,20 +597,6 @@ struct dialog_tester<campaign_selection>
 	}
 };
 
-template<>
-struct dialog_tester<campaign_settings>
-{
-	saved_game state;
-	ng::create_engine ng;
-	dialog_tester() : state(config_of("campaign_type", "scenario")), ng(test_utils::get_fake_display(-1, -1).video(), state)
-	{
-	}
-	campaign_settings* create()
-	{
-		return new campaign_settings(ng);
-	}
-};
-
 template<>
 struct dialog_tester<chat_log>
 {