diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index ebcfed1..91ede3e 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -59,13 +59,6 @@ minetest.register_node("default:stone_with_diamond", {
 	sounds = default.node_sound_stone_defaults(),
 })
 
-minetest.register_node("default:stonebrick", {
-	description = S("stone brick"),
-	tiles = {"default_stone_brick.png"},
-	groups = {cracky=2, stone=1},
-	sounds = default.node_sound_stone_defaults(),
-})
-
 minetest.register_node("default:dirt_with_grass", {
 	description = S("dirt with grass"),
 	tiles = {"default_grass.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
diff --git a/mods/tutorial/mapdata/sector_1.meta b/mods/tutorial/mapdata/sector_1.meta
index a9f8f61..a031220 100644
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diff --git a/mods/tutorial/mapdata/sector_2.meta b/mods/tutorial/mapdata/sector_2.meta
index c15862a..1477667 100644
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diff --git a/mods/tutorial/mapdata/sector_2.mts b/mods/tutorial/mapdata/sector_2.mts
index a87f7d2..c6d0b80 100644
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diff --git a/mods/tutorial/mapdata/sector_24.mts b/mods/tutorial/mapdata/sector_24.mts
index ac7265c..9f9700f 100644
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diff --git a/mods/tutorial/mapdata/sector_7.meta b/mods/tutorial/mapdata/sector_7.meta
index 031cf5e..45d6976 100644
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diff --git a/mods/tutorial/mapdata/sector_7.mts b/mods/tutorial/mapdata/sector_7.mts
index 4910a54..7c58a56 100644
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diff --git a/mods/tutorial/mapdata/sector_8.meta b/mods/tutorial/mapdata/sector_8.meta
index 1d28ed3..ccf08e8 100644
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diff --git a/mods/tutorial/mapdata/sector_8.mts b/mods/tutorial/mapdata/sector_8.mts
index 7bbc3ed..faa3495 100644
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