diff --git a/code/__HELPERS/path.dm b/code/__HELPERS/path.dm
index 09c1e882f4e..fb6d9c27b2b 100644
--- a/code/__HELPERS/path.dm
+++ b/code/__HELPERS/path.dm
@@ -147,6 +147,11 @@
 	SSpathfinder.currentrun -= src
 	if(on_finish)
 		on_finish.Invoke(null)
+		on_finish = null
+	avoid = null
+	id = null
+	caller = null
+	open = null
 
 /**
  * "starts" off the pathfinding, by storing the values this datum will need to work later on
diff --git a/code/_onclick/hud/radial_persistent.dm b/code/_onclick/hud/radial_persistent.dm
index 58dfa0e07ef..5fe81d005bd 100644
--- a/code/_onclick/hud/radial_persistent.dm
+++ b/code/_onclick/hud/radial_persistent.dm
@@ -49,7 +49,7 @@
 	set_choices(newchoices,tooltips, set_page = target_page)
 
 /datum/radial_menu/persistent/Destroy()
-	QDEL_NULL(select_proc_callback)
+	select_proc_callback = null
 	GLOB.radial_menus -= uniqueid
 	Reset()
 	hide()
diff --git a/code/controllers/subsystem/movement/movement_types.dm b/code/controllers/subsystem/movement/movement_types.dm
index 2c8c411e236..7067b3abbfc 100644
--- a/code/controllers/subsystem/movement/movement_types.dm
+++ b/code/controllers/subsystem/movement/movement_types.dm
@@ -405,6 +405,7 @@
 /datum/move_loop/has_target/jps/Destroy()
 	id = null //Kill me
 	avoid = null
+	on_finish_callback = null
 	return ..()
 
 /datum/move_loop/has_target/jps/proc/handle_no_id()
diff --git a/code/datums/components/ai_retaliate_advanced.dm b/code/datums/components/ai_retaliate_advanced.dm
index 1744394e8cb..ca477a0db27 100644
--- a/code/datums/components/ai_retaliate_advanced.dm
+++ b/code/datums/components/ai_retaliate_advanced.dm
@@ -16,6 +16,10 @@
 
 	ADD_TRAIT(parent, TRAIT_SUBTREE_REQUIRED_OPERATIONAL_DATUM, type)
 
+/datum/component/ai_retaliate_advanced/Destroy(force, silent)
+	post_retaliate_callback = null
+	return ..()
+
 /datum/component/ai_retaliate_advanced/RegisterWithParent()
 	RegisterSignal(parent, COMSIG_ATOM_WAS_ATTACKED, PROC_REF(on_attacked))
 
diff --git a/code/datums/components/basic_mob_attack_telegraph.dm b/code/datums/components/basic_mob_attack_telegraph.dm
index 96b417ea1d8..6467fbd7bbc 100644
--- a/code/datums/components/basic_mob_attack_telegraph.dm
+++ b/code/datums/components/basic_mob_attack_telegraph.dm
@@ -25,6 +25,13 @@
 	src.telegraph_duration = telegraph_duration
 	src.on_began_forecast = on_began_forecast
 
+/datum/component/basic_mob_attack_telegraph/Destroy(force, silent)
+	if(current_target)
+		forget_target(current_target)
+	target_overlay = null
+	on_began_forecast = null
+	return ..()
+
 /datum/component/basic_mob_attack_telegraph/RegisterWithParent()
 	. = ..()
 	RegisterSignal(parent, COMSIG_HOSTILE_PRE_ATTACKINGTARGET, PROC_REF(on_attack))
diff --git a/code/datums/components/bullet_intercepting.dm b/code/datums/components/bullet_intercepting.dm
index ffae74f381d..d8de0680665 100644
--- a/code/datums/components/bullet_intercepting.dm
+++ b/code/datums/components/bullet_intercepting.dm
@@ -26,6 +26,7 @@
 	RegisterSignal(parent, COMSIG_ITEM_PRE_UNEQUIP, PROC_REF(on_unequipped))
 
 /datum/component/bullet_intercepting/Destroy(force, silent)
+	wearer = null
 	on_intercepted = null
 	return ..()
 
diff --git a/code/datums/components/butchering.dm b/code/datums/components/butchering.dm
index 8ed9cbcc116..6aa4555f3aa 100644
--- a/code/datums/components/butchering.dm
+++ b/code/datums/components/butchering.dm
@@ -34,6 +34,10 @@
 	if(isitem(parent))
 		RegisterSignal(parent, COMSIG_ITEM_ATTACK, PROC_REF(onItemAttack))
 
+/datum/component/butchering/Destroy(force, silent)
+	butcher_callback = null
+	return ..()
+
 /datum/component/butchering/proc/onItemAttack(obj/item/source, mob/living/M, mob/living/user)
 	SIGNAL_HANDLER
 
diff --git a/code/datums/components/combo_attacks.dm b/code/datums/components/combo_attacks.dm
index 1524451b67a..33989e26682 100644
--- a/code/datums/components/combo_attacks.dm
+++ b/code/datums/components/combo_attacks.dm
@@ -32,6 +32,10 @@
 	src.leniency_time = leniency_time
 	src.can_attack_callback = can_attack_callback
 
+/datum/component/combo_attacks/Destroy(force, silent)
+	can_attack_callback = null
+	return ..()
+
 /datum/component/combo_attacks/RegisterWithParent()
 	RegisterSignal(parent, COMSIG_ATOM_EXAMINE, PROC_REF(on_examine))
 	RegisterSignal(parent, COMSIG_ATOM_EXAMINE_MORE, PROC_REF(on_examine_more))
diff --git a/code/datums/components/deadchat_control.dm b/code/datums/components/deadchat_control.dm
index 0a31cae6b88..48096e47670 100644
--- a/code/datums/components/deadchat_control.dm
+++ b/code/datums/components/deadchat_control.dm
@@ -51,6 +51,7 @@
 	ckey_to_cooldown = null
 	if(generated_point_of_interest)
 		SSpoints_of_interest.remove_point_of_interest(parent)
+	on_removal = null
 	return ..()
 
 /datum/component/deadchat_control/proc/deadchat_react(mob/source, message)
diff --git a/code/datums/components/egg_layer.dm b/code/datums/components/egg_layer.dm
index 7aceb7bd55d..a1e137de6d3 100644
--- a/code/datums/components/egg_layer.dm
+++ b/code/datums/components/egg_layer.dm
@@ -50,6 +50,7 @@
 /datum/component/egg_layer/Destroy(force, silent)
 	. = ..()
 	STOP_PROCESSING(SSobj, src)
+	egg_laid_callback = null
 
 /datum/component/egg_layer/proc/feed_food(datum/source, obj/item/food, mob/living/attacker, params)
 	SIGNAL_HANDLER
diff --git a/code/datums/components/food/golem_food.dm b/code/datums/components/food/golem_food.dm
index 01e44a5958c..79ac0a3e604 100644
--- a/code/datums/components/food/golem_food.dm
+++ b/code/datums/components/food/golem_food.dm
@@ -31,6 +31,7 @@
 
 /datum/component/golem_food/Destroy(force, silent)
 	QDEL_NULL(golem_snack)
+	snack_type = null
 	extra_validation = null
 	return ..()
 
diff --git a/code/datums/components/growth_and_differentiation.dm b/code/datums/components/growth_and_differentiation.dm
index 3132ac46255..0920344ce58 100644
--- a/code/datums/components/growth_and_differentiation.dm
+++ b/code/datums/components/growth_and_differentiation.dm
@@ -66,6 +66,8 @@
 /datum/component/growth_and_differentiation/Destroy(force, silent)
 	STOP_PROCESSING(SSdcs, src)
 	deltimer(timer_id)
+	optional_checks = null
+	optional_grow_behavior = null
 	return ..()
 
 /// Wrapper for qdel() so we can pass it in RegisterSignals(). I hate it here too.
diff --git a/code/datums/components/interaction_booby_trap.dm b/code/datums/components/interaction_booby_trap.dm
index c099eec9174..6f57e4f6b75 100644
--- a/code/datums/components/interaction_booby_trap.dm
+++ b/code/datums/components/interaction_booby_trap.dm
@@ -59,8 +59,8 @@
 /datum/component/interaction_booby_trap/Destroy(force, silent)
 	UnregisterSignal(parent, list(COMSIG_ATOM_ATTACK_HAND, COMSIG_ATOM_TOOL_ACT(defuse_tool), COMSIG_ATOM_EXAMINE_MORE) + additional_triggers)
 	QDEL_NULL(active_sound_loop)
-	QDEL_NULL(on_triggered_callback)
-	QDEL_NULL(on_defused_callback)
+	on_triggered_callback = null
+	on_defused_callback = null
 	return ..()
 
 /// Called when someone touches the parent atom with their hands, we want to blow up
diff --git a/code/datums/components/jetpack.dm b/code/datums/components/jetpack.dm
index dbc22d4ce5a..f7e1fca70e6 100644
--- a/code/datums/components/jetpack.dm
+++ b/code/datums/components/jetpack.dm
@@ -63,7 +63,7 @@
 	if(trail && trail.effect_type != effect_type)
 		setup_trail(trail.holder)
 
-/datum/component/jetpack/Destroy()
+/datum/component/jetpack/Destroy(force, silent)
 	if(trail)
 		QDEL_NULL(trail)
 	check_on_move = null
diff --git a/code/datums/components/keep_me_secure.dm b/code/datums/components/keep_me_secure.dm
index 903d3bf1d5d..9bce3ab5e86 100644
--- a/code/datums/components/keep_me_secure.dm
+++ b/code/datums/components/keep_me_secure.dm
@@ -22,6 +22,11 @@
 	src.secured_callback = secured_callback
 	src.unsecured_callback = unsecured_callback
 
+/datum/component/keep_me_secure/Destroy(force, silent)
+	secured_callback = null
+	unsecured_callback = null
+	return ..()
+
 /datum/component/keep_me_secure/RegisterWithParent()
 	last_move = world.time
 	if (secured_callback || unsecured_callback)
diff --git a/code/datums/components/lock_on_cursor.dm b/code/datums/components/lock_on_cursor.dm
index 1811a13aa9b..0ccac6ee2f9 100644
--- a/code/datums/components/lock_on_cursor.dm
+++ b/code/datums/components/lock_on_cursor.dm
@@ -62,12 +62,14 @@
 	mouse_tracker.assign_to_mob(owner)
 	START_PROCESSING(SSfastprocess, src)
 
-/datum/component/lock_on_cursor/Destroy()
+/datum/component/lock_on_cursor/Destroy(force, silent)
 	clear_visuals()
 	STOP_PROCESSING(SSfastprocess, src)
 	mouse_tracker = null
 	var/mob/owner = parent
 	owner.clear_fullscreen("lock_on")
+	on_lock = null
+	can_target_callback = null
 	return ..()
 
 /// Adds overlays to all targets
diff --git a/code/datums/components/nuclear_bomb_operator.dm b/code/datums/components/nuclear_bomb_operator.dm
index 2224f95803b..da6e8b0cab1 100644
--- a/code/datums/components/nuclear_bomb_operator.dm
+++ b/code/datums/components/nuclear_bomb_operator.dm
@@ -50,6 +50,8 @@
 
 /datum/component/nuclear_bomb_operator/Destroy(force, silent)
 	QDEL_NULL(disky)
+	on_disk_collected = null
+	add_disk_overlays = null
 	return ..()
 
 /// Drop the disk on the floor, if we have it
diff --git a/code/datums/components/on_hit_effect.dm b/code/datums/components/on_hit_effect.dm
index 062c335a7ee..38610395248 100644
--- a/code/datums/components/on_hit_effect.dm
+++ b/code/datums/components/on_hit_effect.dm
@@ -18,6 +18,11 @@
 	if(!(ismachinery(parent) || isstructure(parent) || isgun(parent) || isprojectilespell(parent) || isitem(parent) || isanimal_or_basicmob(parent) || isprojectile(parent)))
 		return ELEMENT_INCOMPATIBLE
 
+/datum/component/on_hit_effect/Destroy(force, silent)
+	on_hit_callback = null
+	extra_check_callback = null
+	return ..()
+
 /datum/component/on_hit_effect/RegisterWithParent()
 	if(ismachinery(parent) || isstructure(parent) || isgun(parent) || isprojectilespell(parent))
 		RegisterSignal(parent, COMSIG_PROJECTILE_ON_HIT, PROC_REF(on_projectile_hit))
diff --git a/code/datums/components/puzzgrid.dm b/code/datums/components/puzzgrid.dm
index 0f54fce9929..8a7620b06e3 100644
--- a/code/datums/components/puzzgrid.dm
+++ b/code/datums/components/puzzgrid.dm
@@ -55,6 +55,12 @@
 		addtimer(CALLBACK(src, PROC_REF(out_of_time)), timer)
 		time_to_finish = world.time + timer
 
+/datum/component/puzzgrid/Destroy(force, silent)
+	puzzgrid = null
+	on_victory_callback = null
+	on_fail_callback = null
+	return ..()
+
 /datum/component/puzzgrid/RegisterWithParent()
 	RegisterSignal(parent, COMSIG_ATOM_ATTACK_HAND, PROC_REF(on_attack_hand))
 
diff --git a/code/datums/components/reagent_refiller.dm b/code/datums/components/reagent_refiller.dm
index ae223488bc0..4e2da58c79b 100644
--- a/code/datums/components/reagent_refiller.dm
+++ b/code/datums/components/reagent_refiller.dm
@@ -28,6 +28,10 @@
 
 	return ..()
 
+/datum/component/reagent_refiller/Destroy(force, silent)
+	power_draw_callback = null
+	return ..()
+
 /datum/component/reagent_refiller/RegisterWithParent()
 	RegisterSignal(parent, COMSIG_ITEM_AFTERATTACK, PROC_REF(refill))
 	RegisterSignal(parent, COMSIG_ATOM_EXITED, PROC_REF(delete_self))
diff --git a/code/datums/components/reflection.dm b/code/datums/components/reflection.dm
index cb411720f7f..80532ca2a61 100644
--- a/code/datums/components/reflection.dm
+++ b/code/datums/components/reflection.dm
@@ -55,9 +55,10 @@
 	var/list/reflect_update_signals = list(COMSIG_MOVABLE_MOVED) + update_signals
 	RegisterSignals(parent, reflect_update_signals, PROC_REF(get_reflection_targets))
 
-/datum/component/reflection/Destroy()
+/datum/component/reflection/Destroy(force, silent)
 	QDEL_LIST_ASSOC_VAL(reflected_movables)
 	QDEL_NULL(reflection_holder)
+	can_reflect = null
 	return ..()
 
 ///Called when the parent changes its direction.
diff --git a/code/datums/components/religious_tool.dm b/code/datums/components/religious_tool.dm
index 2571f0c13d4..fabed36595c 100644
--- a/code/datums/components/religious_tool.dm
+++ b/code/datums/components/religious_tool.dm
@@ -28,6 +28,13 @@
 	if(override_catalyst_type)
 		catalyst_type = override_catalyst_type
 
+/datum/component/religious_tool/Destroy(force, silent)
+	easy_access_sect = null
+	performing_rite = null
+	catalyst_type = null
+	after_sect_select_cb = null
+	return ..()
+
 /datum/component/religious_tool/RegisterWithParent()
 	RegisterSignal(parent, COMSIG_ATOM_ATTACKBY, PROC_REF(AttemptActions))
 	RegisterSignal(parent, COMSIG_ATOM_EXAMINE, PROC_REF(on_examine))
diff --git a/code/datums/components/rotation.dm b/code/datums/components/rotation.dm
index e47a47f595d..4bcfa8b01c9 100644
--- a/code/datums/components/rotation.dm
+++ b/code/datums/components/rotation.dm
@@ -32,7 +32,7 @@
 
 /datum/component/simple_rotation/RegisterWithParent()
 	AddSignals()
-	. = ..()
+	return ..()
 
 /datum/component/simple_rotation/PostTransfer()
 	//Because of the callbacks which we don't track cleanly we can't transfer this
@@ -42,12 +42,12 @@
 
 /datum/component/simple_rotation/UnregisterFromParent()
 	RemoveSignals()
-	. = ..()
+	return ..()
 
 /datum/component/simple_rotation/Destroy()
 	AfterRotation = null
 	//Signals + verbs removed via UnRegister
-	. = ..()
+	return ..()
 
 /datum/component/simple_rotation/ClearFromParent()
 	return ..()
diff --git a/code/datums/components/sitcomlaughter.dm b/code/datums/components/sitcomlaughter.dm
index 04a190d15f0..8ca335eb8b5 100644
--- a/code/datums/components/sitcomlaughter.dm
+++ b/code/datums/components/sitcomlaughter.dm
@@ -22,6 +22,9 @@
 	if(laugh_delay)
 		src.laugh_delay = laugh_delay
 
+/datum/component/wearertargeting/sitcomlaughter/Destroy(force, silent)
+	post_comedy_callback = null
+	return ..()
 
 ///Play the laugh track if any of the signals related to comedy have been sent.
 /datum/component/wearertargeting/sitcomlaughter/proc/EngageInComedy(datum/source)
diff --git a/code/datums/components/slippery.dm b/code/datums/components/slippery.dm
index d0add3b77eb..be1d674eb4d 100644
--- a/code/datums/components/slippery.dm
+++ b/code/datums/components/slippery.dm
@@ -58,6 +58,12 @@
 	else
 		RegisterSignal(parent, COMSIG_ATOM_ENTERED, PROC_REF(Slip))
 
+/datum/component/slippery/Destroy(force, silent)
+	can_slip_callback = null
+	on_slip_callback = null
+	holder = null
+	return ..()
+
 /datum/component/slippery/proc/apply_fantasy_bonuses(obj/item/source, bonus)
 	SIGNAL_HANDLER
 	knockdown_time = source.modify_fantasy_variable("knockdown_time", knockdown_time, bonus)
diff --git a/code/datums/components/squashable.dm b/code/datums/components/squashable.dm
index a79a1802f04..5fc489873bf 100644
--- a/code/datums/components/squashable.dm
+++ b/code/datums/components/squashable.dm
@@ -29,6 +29,10 @@
 
 	AddComponent(/datum/component/connect_loc_behalf, parent, loc_connections)
 
+/datum/component/squashable/Destroy(force, silent)
+	on_squash_callback = null
+	return ..()
+
 ///Handles the squashing of the mob
 /datum/component/squashable/proc/on_entered(turf/source_turf, atom/movable/crossing_movable)
 	SIGNAL_HANDLER
diff --git a/code/datums/components/subtype_picker.dm b/code/datums/components/subtype_picker.dm
index 5ab4785e7a7..2bc429f9b70 100644
--- a/code/datums/components/subtype_picker.dm
+++ b/code/datums/components/subtype_picker.dm
@@ -22,6 +22,10 @@
 	src.on_picked_callback = on_picked_callback
 	build_radial_list()
 
+/datum/component/subtype_picker/Destroy(force, silent)
+	on_picked_callback = null
+	return ..()
+
 /datum/component/subtype_picker/RegisterWithParent()
 	. = ..()
 	RegisterSignal(parent, COMSIG_ITEM_ATTACK_SELF, PROC_REF(on_attack_self))
diff --git a/code/datums/components/supermatter_crystal.dm b/code/datums/components/supermatter_crystal.dm
index 6337b729923..65c11ce2417 100644
--- a/code/datums/components/supermatter_crystal.dm
+++ b/code/datums/components/supermatter_crystal.dm
@@ -21,6 +21,11 @@
 	src.tool_act_callback = tool_act_callback
 	src.consume_callback = consume_callback
 
+/datum/component/supermatter_crystal/Destroy(force, silent)
+	tool_act_callback = null
+	consume_callback = null
+	return ..()
+
 /datum/component/supermatter_crystal/UnregisterFromParent(force, silent)
 	var/list/signals_to_remove = list(
 		COMSIG_ATOM_BLOB_ACT,
diff --git a/code/datums/components/swabbing.dm b/code/datums/components/swabbing.dm
index 056f97cf98b..fa649a5e018 100644
--- a/code/datums/components/swabbing.dm
+++ b/code/datums/components/swabbing.dm
@@ -32,12 +32,12 @@ This component is used in vat growing to swab for microbiological samples which
 	src.update_icons = update_icons
 	src.update_overlays = update_overlays
 
-/datum/component/swabbing/Destroy()
-	. = ..()
+/datum/component/swabbing/Destroy(force, silent)
 	for(var/swabbed in swabbed_items)
 		qdel(swabbed)
 	update_icons = null
 	update_overlays = null
+	return ..()
 
 
 ///Changes examine based on your sample
diff --git a/code/datums/components/takes_reagent_appearance.dm b/code/datums/components/takes_reagent_appearance.dm
index 59bd17adb87..6505290b4cb 100644
--- a/code/datums/components/takes_reagent_appearance.dm
+++ b/code/datums/components/takes_reagent_appearance.dm
@@ -43,7 +43,7 @@
 
 	src.base_container_type = base_container_type || parent.type
 
-/datum/component/takes_reagent_appearance/Destroy()
+/datum/component/takes_reagent_appearance/Destroy(force, silent)
 	on_icon_changed = null
 	on_icon_reset = null
 	return ..()
diff --git a/code/datums/components/tameable.dm b/code/datums/components/tameable.dm
index 2799934c2cb..81228b2c3cc 100644
--- a/code/datums/components/tameable.dm
+++ b/code/datums/components/tameable.dm
@@ -32,6 +32,10 @@
 	RegisterSignal(parent, COMSIG_SIMPLEMOB_SENTIENCEPOTION, PROC_REF(on_tame)) //Instantly succeeds
 	RegisterSignal(parent, COMSIG_SIMPLEMOB_TRANSFERPOTION, PROC_REF(on_tame)) //Instantly succeeds
 
+/datum/component/tameable/Destroy(force, silent)
+	after_tame = null
+	return ..()
+
 /datum/component/tameable/proc/try_tame(datum/source, obj/item/food, mob/living/attacker, params)
 	SIGNAL_HANDLER
 	if(!is_type_in_list(food, food_types))
diff --git a/code/datums/components/thermite.dm b/code/datums/components/thermite.dm
index 2ae5071ad58..7ab8b755ca1 100644
--- a/code/datums/components/thermite.dm
+++ b/code/datums/components/thermite.dm
@@ -58,7 +58,7 @@
 		deltimer(burn_timer)
 		burn_timer = null
 	if(burn_callback)
-		QDEL_NULL(burn_callback)
+		burn_callback = null
 	if(fakefire)
 		QDEL_NULL(fakefire)
 	return ..()
diff --git a/code/datums/components/toggle_attached_clothing.dm b/code/datums/components/toggle_attached_clothing.dm
index 805b289e618..f8197b1f086 100644
--- a/code/datums/components/toggle_attached_clothing.dm
+++ b/code/datums/components/toggle_attached_clothing.dm
@@ -82,6 +82,7 @@
 	unequip_deployable()
 	QDEL_NULL(deployable)
 	QDEL_NULL(toggle_action)
+	undeployed_overlay = null
 	pre_creation_check = null
 	on_created = null
 	on_deployed = null
diff --git a/code/datums/components/twohanded.dm b/code/datums/components/twohanded.dm
index de2347546ed..3b015c95383 100644
--- a/code/datums/components/twohanded.dm
+++ b/code/datums/components/twohanded.dm
@@ -56,6 +56,12 @@
 	if(require_twohands)
 		ADD_TRAIT(parent, TRAIT_NEEDS_TWO_HANDS, ABSTRACT_ITEM_TRAIT)
 
+/datum/component/two_handed/Destroy(force, silent)
+	offhand_item = null
+	wield_callback = null
+	unwield_callback = null
+	return ..()
+
 // Inherit the new values passed to the component
 /datum/component/two_handed/InheritComponent(datum/component/two_handed/new_comp, original, require_twohands, wieldsound, unwieldsound, \
 											force_multiplier, force_wielded, force_unwielded, icon_wielded, \
diff --git a/code/datums/components/udder.dm b/code/datums/components/udder.dm
index a72d67e0c9f..bd622a944d7 100644
--- a/code/datums/components/udder.dm
+++ b/code/datums/components/udder.dm
@@ -22,6 +22,7 @@
 
 /datum/component/udder/UnregisterFromParent()
 	QDEL_NULL(udder)
+	on_milk_callback = null
 	UnregisterSignal(parent, list(COMSIG_ATOM_EXAMINE, COMSIG_ATOM_ATTACKBY))
 
 ///signal called on parent being examined
@@ -82,6 +83,7 @@
 	. = ..()
 	STOP_PROCESSING(SSobj, src)
 	udder_mob = null
+	on_generate_callback = null
 
 /obj/item/udder/process(seconds_per_tick)
 	if(udder_mob.stat != DEAD)
diff --git a/code/datums/forced_movement.dm b/code/datums/forced_movement.dm
index 93371f0430b..407f258281c 100644
--- a/code/datums/forced_movement.dm
+++ b/code/datums/forced_movement.dm
@@ -33,6 +33,7 @@
 		STOP_PROCESSING(SSfastprocess, src)
 	victim = null
 	target = null
+	on_step = null
 	return ..()
 
 //Todo: convert
diff --git a/code/game/machinery/computer/communications.dm b/code/game/machinery/computer/communications.dm
index 8f41de45229..6de510be91a 100644
--- a/code/game/machinery/computer/communications.dm
+++ b/code/game/machinery/computer/communications.dm
@@ -927,6 +927,10 @@
 	if(new_possible_answers)
 		possible_answers = new_possible_answers
 
+/datum/comm_message/Destroy()
+	answer_callback = null
+	return ..()
+
 #undef IMPORTANT_ACTION_COOLDOWN
 #undef EMERGENCY_ACCESS_COOLDOWN
 #undef STATE_BUYING_SHUTTLE
diff --git a/code/modules/admin/greyscale_modify_menu.dm b/code/modules/admin/greyscale_modify_menu.dm
index c81d61cc933..55b2ffeb8da 100644
--- a/code/modules/admin/greyscale_modify_menu.dm
+++ b/code/modules/admin/greyscale_modify_menu.dm
@@ -83,6 +83,8 @@
 /datum/greyscale_modify_menu/Destroy()
 	target = null
 	user = null
+	apply_callback = null
+	config = null
 	return ..()
 
 /datum/greyscale_modify_menu/ui_state(mob/user)
diff --git a/code/modules/antagonists/heretic/status_effects/ghoul.dm b/code/modules/antagonists/heretic/status_effects/ghoul.dm
index 079acda6596..5c19fb1bf9a 100644
--- a/code/modules/antagonists/heretic/status_effects/ghoul.dm
+++ b/code/modules/antagonists/heretic/status_effects/ghoul.dm
@@ -16,8 +16,8 @@
 
 /datum/status_effect/ghoul/Destroy()
 	master_mind = null
-	QDEL_NULL(on_made_callback)
-	QDEL_NULL(on_lost_callback)
+	on_made_callback = null
+	on_lost_callback = null
 	return ..()
 
 /datum/status_effect/ghoul/on_creation(
diff --git a/code/modules/escape_menu/home_page.dm b/code/modules/escape_menu/home_page.dm
index 344dec9828c..48e6147a33b 100644
--- a/code/modules/escape_menu/home_page.dm
+++ b/code/modules/escape_menu/home_page.dm
@@ -83,7 +83,7 @@
 
 /atom/movable/screen/escape_menu/home_button/Destroy()
 	escape_menu = null
-	QDEL_NULL(on_click_callback)
+	on_click_callback = null
 
 	return ..()
 
diff --git a/code/modules/escape_menu/leave_body.dm b/code/modules/escape_menu/leave_body.dm
index 3dd4c69ad78..428afe899df 100644
--- a/code/modules/escape_menu/leave_body.dm
+++ b/code/modules/escape_menu/leave_body.dm
@@ -101,7 +101,7 @@
 	screen_loc = "CENTER:[pixel_offset],CENTER-1"
 
 /atom/movable/screen/escape_menu/leave_body_button/Destroy()
-	QDEL_NULL(on_click_callback)
+	on_click_callback = null
 
 	return ..()
 
diff --git a/code/modules/mod/mod_link.dm b/code/modules/mod/mod_link.dm
index 42d2f664a82..451e540d0f9 100644
--- a/code/modules/mod/mod_link.dm
+++ b/code/modules/mod/mod_link.dm
@@ -367,6 +367,10 @@
 	GLOB.mod_link_ids -= id
 	if(link_call)
 		end_call()
+	get_user_callback = null
+	make_visual_callback = null
+	get_visual_callback = null
+	delete_visual_callback = null
 	return ..()
 
 /datum/mod_link/proc/get_other()