diff --git a/mods/beds/api.lua b/mods/beds/api.lua
index cab2def5..d0494404 100644
--- a/mods/beds/api.lua
+++ b/mods/beds/api.lua
@@ -155,7 +155,8 @@ function beds.register_bed(name, def)
 		paramtype2 = "facedir",
 		is_ground_content = false,
 		pointable = false,
-		groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3, bed = 2},
+		groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3, bed = 2,
+				not_in_creative_inventory = 1},
 		sounds = def.sounds or default.node_sound_wood_defaults(),
 		drop = name .. "_bottom",
 		node_box = {
diff --git a/mods/default/tools.lua b/mods/default/tools.lua
index e3c974c2..44468c56 100644
--- a/mods/default/tools.lua
+++ b/mods/default/tools.lua
@@ -4,9 +4,8 @@
 local S = default.get_translator
 
 -- The hand
-minetest.register_item(":", {
-	type = "none",
-	wield_image = "wieldhand.png",
+-- Override the hand item registered in the engine in builtin/game/register.lua
+minetest.override_item("", {
 	wield_scale = {x=1,y=1,z=2.5},
 	tool_capabilities = {
 		full_punch_interval = 0.9,
diff --git a/mods/tnt/init.lua b/mods/tnt/init.lua
index 991aaf62..fd1f9e42 100644
--- a/mods/tnt/init.lua
+++ b/mods/tnt/init.lua
@@ -434,7 +434,7 @@ minetest.register_node("tnt:boom", {
 	light_source = default.LIGHT_MAX,
 	walkable = false,
 	drop = "",
-	groups = {dig_immediate = 3},
+	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
 	-- unaffected by explosions
 	on_blast = function() end,
 })
@@ -531,7 +531,8 @@ minetest.register_node("tnt:gunpowder_burning", {
 	groups = {
 		dig_immediate = 2,
 		attached_node = 1,
-		connect_to_raillike = minetest.raillike_group("gunpowder")
+		connect_to_raillike = minetest.raillike_group("gunpowder"),
+		not_in_creative_inventory = 1
 	},
 	sounds = default.node_sound_leaves_defaults(),
 	on_timer = function(pos, elapsed)
@@ -678,7 +679,7 @@ function tnt.register_tnt(def)
 		light_source = 5,
 		drop = "",
 		sounds = default.node_sound_wood_defaults(),
-		groups = {falling_node = 1},
+		groups = {falling_node = 1, not_in_creative_inventory = 1},
 		on_timer = function(pos, elapsed)
 			tnt.boom(pos, def)
 		end,