diff --git a/code/game/objects/items/melee/misc.dm b/code/game/objects/items/melee/misc.dm
index 2992edcff8098..6d4c517ea8efe 100644
--- a/code/game/objects/items/melee/misc.dm
+++ b/code/game/objects/items/melee/misc.dm
@@ -327,10 +327,6 @@
 
 			add_fingerprint(user)
 
-			if(!iscarbon(user))
-				target.LAssailant = null
-			else
-				target.LAssailant = WEAKREF(user)
 			cooldown_check = world.time + cooldown
 		else
 			var/wait_desc = get_wait_description()
@@ -514,10 +510,6 @@
 
 		add_fingerprint(user)
 
-		if(!iscarbon(user))
-			target.LAssailant = null
-		else
-			target.LAssailant = WEAKREF(user)
 		COOLDOWN_START(src, cooldown_check, cooldown)
 
 //Telescopic Baton
@@ -743,10 +735,6 @@
 
 			target.visible_message(desc["visible"], desc["local"])
 
-			if(!iscarbon(user))
-				target.LAssailant = null
-			else
-				target.LAssailant = user
 			cooldown_check = world.time + cooldown
 		else
 			var/wait_desc = get_wait_description()
@@ -1085,9 +1073,4 @@
 		var/turf/throw_at = get_ranged_target_turf(target, throw_dir, knockbackpower)
 		target.throw_at(throw_at, throw_range, 3)
 
-		if(!iscarbon(user))
-			target.LAssailant = null
-		else
-			target.LAssailant = user
-
 		cooldown = world.time + 15
diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index caf4b857864ca..c63839b88e9ce 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -324,10 +324,6 @@
 				M.visible_message("<span class='warning'>[src] grabs [M] [(is_zone_selected(BODY_ZONE_L_ARM) || is_zone_selected(BODY_ZONE_R_ARM))? "by their hands":"passively"]!</span>", \
 								"<span class='warning'>[src] grabs you [(is_zone_selected(BODY_ZONE_L_ARM) || is_zone_selected(BODY_ZONE_R_ARM))? "by your hands":"passively"]!</span>", null, null, src) //Message sent to area, Message sent to grabbee
 				to_chat(src, "<span class='notice'>You grab [M] [(is_zone_selected(BODY_ZONE_L_ARM) || is_zone_selected(BODY_ZONE_R_ARM))? "by their hands":"passively"]!</span>") //Message sent to grabber
-		if(!iscarbon(src))
-			M.LAssailant = null
-		else
-			M.LAssailant = WEAKREF(usr)
 		if(isliving(M))
 			var/mob/living/L = M
 			//Share diseases that are spread by touch
diff --git a/code/modules/mob/living/simple_animal/slime/life.dm b/code/modules/mob/living/simple_animal/slime/life.dm
index 5a1bb1e264b51..f55105ec71a94 100644
--- a/code/modules/mob/living/simple_animal/slime/life.dm
+++ b/code/modules/mob/living/simple_animal/slime/life.dm
@@ -6,6 +6,7 @@
 	var/attack_cooldown = 0
 	var/attack_cooldown_time = 20 //How long, in deciseconds, the cooldown of attacks is
 
+
 /mob/living/simple_animal/slime/Life()
 	set invisibility = 0
 	if(notransform)
@@ -144,10 +145,6 @@
 	if(M.stat == DEAD)
 		if(client)
 			to_chat(src, "<i>This subject does not have a strong enough life energy anymore...</i>")
-		else if(!rabid && !attacked)
-			var/mob/last_to_hurt = M.LAssailant?.resolve()
-			if(last_to_hurt && last_to_hurt != M && prob(50))
-				add_friendship(last_to_hurt, 1)
 		//we go rabid after finishing to feed on a human with a client.
 		if(M.client && ishuman(M))
 			rabid = 1
diff --git a/code/modules/mob/mob_defines.dm b/code/modules/mob/mob_defines.dm
index 97f9b47330cce..90b7b70b2be9f 100644
--- a/code/modules/mob/mob_defines.dm
+++ b/code/modules/mob/mob_defines.dm
@@ -160,9 +160,6 @@
 	/// Can this mob enter shuttles
 	var/move_on_shuttle = 1
 
-	///A weakref to the last mob/living/carbon to push/drag/grab this mob (exclusively used by slimes friend recognition)
-	var/datum/weakref/LAssailant = null
-
 	/**
 	  * construct spells and mime spells.
 	  *
diff --git a/code/modules/recycling/disposal/bin.dm b/code/modules/recycling/disposal/bin.dm
index b279a252b4716..9096d84b85e79 100644
--- a/code/modules/recycling/disposal/bin.dm
+++ b/code/modules/recycling/disposal/bin.dm
@@ -139,7 +139,6 @@
 		else
 			target.visible_message("<span class='danger'>[user] has placed [target] in [src].</span>", "<span class='userdanger'>[user] has placed you in [src].</span>")
 			log_combat(user, target, "stuffed", addition="into [src]")
-			target.LAssailant = WEAKREF(user)
 			. = TRUE
 		update_appearance()
 
diff --git a/code/modules/research/xenobiology/xenobio_camera.dm b/code/modules/research/xenobiology/xenobio_camera.dm
index 7ab05ae3f0c17..4fc8f5587dd4b 100644
--- a/code/modules/research/xenobiology/xenobio_camera.dm
+++ b/code/modules/research/xenobiology/xenobio_camera.dm
@@ -250,7 +250,6 @@ DEFINE_BUFFER_HANDLER(/obj/machinery/computer/camera_advanced/xenobio)
 		if(X.monkeys >= 1)
 			var/mob/living/carbon/monkey/food = new /mob/living/carbon/monkey(remote_eye.loc, TRUE, owner)
 			if (!QDELETED(food))
-				food.LAssailant = WEAKREF(C)
 				X.monkeys--
 				X.monkeys = round(X.monkeys, 0.1)		//Prevents rounding errors
 				to_chat(owner, "[X] now has [X.monkeys] monkeys stored.")
@@ -462,7 +461,6 @@ DEFINE_BUFFER_HANDLER(/obj/machinery/computer/camera_advanced/xenobio)
 		if(X.monkeys >= 1)
 			var/mob/living/carbon/monkey/food = new /mob/living/carbon/monkey(T, TRUE, C)
 			if (!QDELETED(food))
-				food.LAssailant = WEAKREF(C)
 				X.monkeys--
 				X.monkeys = round(X.monkeys, 0.1)		//Prevents rounding errors
 				to_chat(C, "[X] now has [X.monkeys] monkeys stored.")