diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 494a4cb1..bfc0898e 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -1360,7 +1360,7 @@ minetest.register_node("default:lava_source", {
 	liquid_renewable = false,
 	damage_per_second = 4 * 2,
 	post_effect_color = {a = 191, r = 255, g = 64, b = 0},
-	groups = {lava = 3, liquid = 2, hot = 3, igniter = 1},
+	groups = {lava = 3, liquid = 2, igniter = 1},
 })
 
 minetest.register_node("default:lava_flowing", {
@@ -1406,7 +1406,7 @@ minetest.register_node("default:lava_flowing", {
 	liquid_renewable = false,
 	damage_per_second = 4 * 2,
 	post_effect_color = {a = 191, r = 255, g = 64, b = 0},
-	groups = {lava = 3, liquid = 2, hot = 3, igniter = 1,
+	groups = {lava = 3, liquid = 2, igniter = 1,
 		not_in_creative_inventory = 1},
 })
 
@@ -1862,7 +1862,7 @@ minetest.register_node("default:rail", {
                 -- but how to specify the dimensions for curved and sideways rails?
                 fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
 	},
-	groups = {bendy = 2, dig_immediate = 2, attached_node = 1,
+	groups = {dig_immediate = 2, attached_node = 1,
 		connect_to_raillike = minetest.raillike_group("rail")},
 })
 
diff --git a/mods/doors/init.lua b/mods/doors/init.lua
index 343a7772..913f7cf2 100644
--- a/mods/doors/init.lua
+++ b/mods/doors/init.lua
@@ -432,7 +432,7 @@ doors.register("door_steel", {
 		description = "Steel Door",
 		inventory_image = "doors_item_steel.png",
 		protected = true,
-		groups = { snappy = 1, bendy = 2, cracky = 1, melty = 2, level = 2 },
+		groups = { snappy = 1, cracky = 1, level = 2 },
 		sounds = default.node_sound_stone_defaults(),
 		sound_open = "doors_steel_door_open",
 		sound_close = "doors_steel_door_close",
@@ -633,7 +633,7 @@ doors.register_trapdoor("doors:trapdoor_steel", {
 	sounds = default.node_sound_stone_defaults(),
 	sound_open = "doors_steel_door_open",
 	sound_close = "doors_steel_door_close",
-	groups = {snappy=1, bendy=2, cracky=1, melty=2, level=2, door=1},
+	groups = {snappy=1, cracky=1, level=2, door=1},
 })
 
 minetest.register_craft({