diff --git a/lignumis/data.lua b/lignumis/data.lua
index eca0755..6508692 100644
--- a/lignumis/data.lua
+++ b/lignumis/data.lua
@@ -38,8 +38,6 @@ end
 
 require("__cf-lib__/util")
 
-require("logo")
-require("menu-simulations")
 require("prototypes/content/data")
 require("prototypes/integrations/data")
 require("prototypes/compatibility/data")
\ No newline at end of file
diff --git a/lignumis/logo.lua b/lignumis/logo.lua
deleted file mode 100644
index bb346ff..0000000
--- a/lignumis/logo.lua
+++ /dev/null
@@ -1,16 +0,0 @@
-data:extend({
-    {
-        type = "simple-entity",
-        name = "lignumis-logo",
-        picture = {
-            filename = "__lignumis-assets__/title.png",
-            width = 575,
-            height = 181,
-            scale = 1,
-            draw_as_glow = true
-        },
-        collision_mask = { layers = {} },
-        render_layer = "air-object",
-        hidden_in_factoriopedia = true
-    }
-})
\ No newline at end of file
diff --git a/lignumis/menu-simulations.lua b/lignumis/menu-simulations.lua
deleted file mode 100644
index 7f47f20..0000000
--- a/lignumis/menu-simulations.lua
+++ /dev/null
@@ -1,19 +0,0 @@
-local main_menu_simulations = data.raw["utility-constants"]["default"].main_menu_simulations
-main_menu_simulations.lignumis_early = {
-    checkboard = false,
-    planet = "lignumis",
-    save = "__lignumis-assets__/menu-simulations/lignumis1.zip",
-    length = 60 * 20,
-    mods = { "lignumis" },
-    game_view_settings = { default_show_value = false },
-    init = [[
-        game.simulation.camera_surface_index = game.surfaces["lignumis"].index -- Surface of camera
-        game.simulation.camera_position = {-6, 10} -- Position of camera
-        game.simulation.camera_zoom = 0.75 -- Zoom of camera
-        game.tick_paused = false
-        game.surfaces["lignumis"].daytime = 0.3
-        game.players[1].game_view_settings.show_controller_gui = false
-        game.players[1].game_view_settings.show_quickbar = false
-        game.players[1].game_view_settings.show_shortcut_bar = false
-    ]]
-}
\ No newline at end of file
diff --git a/lignumis/prototypes/content/active-noise-cancelling-tower.lua b/lignumis/prototypes/content/active-noise-cancelling-tower.lua
index 5a3f29c..294e5f5 100644
--- a/lignumis/prototypes/content/active-noise-cancelling-tower.lua
+++ b/lignumis/prototypes/content/active-noise-cancelling-tower.lua
@@ -117,11 +117,9 @@ data:extend({
         ingredients = {},
         results = {},
         category = "active-noise-cancelling",
-        surface_conditions = { { property = "pollutant-type", min = 3, max = 3 } },
         hide_from_stats = true,
         hide_from_player_crafting = true,
-        hide_from_signal_gui = true,
-        hidden_in_factoriopedia = true
+        surface_conditions = { { property = "pollutant-type", min = 3, max = 3 } }
     },
     {
         type = "technology",