How do I kill mobs using /kill without them dropping loot?

Question

I have a spawn area I am hoping to make a safe haven, so I have a command block on a clock that kills each hostile mob type. This works to keep the place free of any hostile mobs, however every night I see rotten flesh, bones, arrows, and string everywhere.

I would like to add something to my command blocks so that they are killed without dropping loot. How can I accomplish this?

Note that I want mobs to drop loot generally elsewhere in the world, so /gamerule doMobLoot false will not do the trick for me. I'm hoping for a command that only applies to the mobs killed by the command block, and not anything else.

Sumurai8 · Accepted Answer

You can simply teleport all hostile mobs in a certain radius 256 blocks down. May they, and their drops, rest in peace in the void below the world.

Skylinerw · Answer

The DeathLootTable string tag can modify which loot table the mob will use when killed. The "empty" loot table will cause it to drop nothing:

1.12 and lower:

/entitydata @e[type=Zombie,r=40] {DeathLootTable:"minecraft:empty"}

1.13:

/execute as @e[type=zombie,distance=..40] run data merge entity @s {DeathLootTable:"minecraft:empty"}

iDoomfull · Answer

I have a not so compact idea, but it will fit for your needs:

First you will need to give a score for each item you don't need to be on ground. I added the r selector, the number depending of your spawn radius

/scoreboard objectives add trash dummy - Add the scoreboard

Now these command in a clock / repeating command block:

/scoreboard players set @e[type=Item,r=50] trash 1 {Item:{id:"minecraft:bone"}}

/scoreboard players set @e[type=Item,r=50] trash 2 {Item:{id:"minecraft:rotten_flesh"}}

Explanation : Each type of item will have their own number in the scoreboard to diffetentiate them later. I wrote only some examples above. You can continue the list

Now that all your "trash" has their own "recognize ID" just simply run this command in a repeating command block.

/kill @e[score_trash_min=1,score_trash=#]

Explanation : Where I put the # mark , you need to put the maximum number of item you put on your "kill list". So I pretend I choose 6 type of items to be erased, so I will put put 6 instead of #.

rhbvkleef · Answer

You should teleport the entity into the void. That will drop the items, but in the void too.

/tp @e[selector] ~ -100000 ~

This will take a few gameticks to kill the mob, but with the amount of natural spawns, this does not matter.

Simon Richter · Answer

The old-fashioned way would be to build a structure that keeps mobs out (a fence is sufficient) and adequate lighting inside.

How do I kill mobs using /kill without them dropping loot?

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