moarrr

code/game/objects/effects/decals/cleanable.dm

@@ -1,9 +1,8 @@
 /obj/effect/decal/cleanable
 	var/list/random_icon_states = list()
-	var/targeted_by = null			// Used so cleanbots can't claim a mess.
 	var/noscoop = 0   //if it has this, don't let it be scooped up
 	var/noclear = 0    //if it has this, don't delete it when its' scooped up
-	
+
 /obj/effect/decal/cleanable/proc/can_bloodcrawl_in()
 	return FALSE
 

code/game/objects/items/devices/radio/headset.dm

@@ -32,12 +32,8 @@
 	recalculateChannels(1)
 
 /obj/item/device/radio/headset/Destroy()
-	if(keyslot1)
-		qdel(keyslot1)
-	if(keyslot2)
-		qdel(keyslot2)
-	keyslot1 = null
-	keyslot2 = null
+	QDEL_NULL(keyslot1)
+	QDEL_NULL(keyslot2)
 	return ..()
 
 /obj/item/device/radio/headset/list_channels(var/mob/user)
@@ -63,7 +59,7 @@
 		return RADIO_CONNECTION_FAIL
 
 	return ..()
-	
+
 /obj/item/device/radio/headset/is_listening()
 	if(ishuman(loc))
 		var/mob/living/carbon/human/H = loc
@@ -71,7 +67,7 @@
 			return ..()
 	else if(isanimal(loc) || isAI(loc))
 		return ..()
-	
+
 	return FALSE
 
 /obj/item/device/radio/headset/alt

code/game/objects/items/devices/radio/radio.dm

@@ -30,7 +30,6 @@ var/global/list/default_medbay_channels = list(
 	var/frequency = PUB_FREQ //common chat
 	var/traitor_frequency = 0 //tune to frequency to unlock traitor supplies
 	var/canhear_range = 3 // the range which mobs can hear this radio from
-	var/obj/item/device/radio/patch_link = null
 	var/datum/wires/radio/wires = null
 	var/b_stat = 0
 	var/broadcasting = 0
@@ -54,14 +53,14 @@ var/global/list/default_medbay_channels = list(
 
 	var/list/internal_channels
 
-/obj/item/device/radio
 	var/datum/radio_frequency/radio_connection
 	var/list/datum/radio_frequency/secure_radio_connections = new
 
-	proc/set_frequency(new_frequency)
-		radio_controller.remove_object(src, frequency)
-		frequency = new_frequency
-		radio_connection = radio_controller.add_object(src, frequency, RADIO_CHAT)
+
+/obj/item/device/radio/proc/set_frequency(new_frequency)
+	radio_controller.remove_object(src, frequency)
+	frequency = new_frequency
+	radio_connection = radio_controller.add_object(src, frequency, RADIO_CHAT)
 
 
 /obj/item/device/radio/New()
@@ -74,14 +73,13 @@ var/global/list/default_medbay_channels = list(
 	global_radios |= src
 
 /obj/item/device/radio/Destroy()
-	qdel(wires)
-	wires = null
+	QDEL_NULL(wires)
 	if(radio_controller)
 		radio_controller.remove_object(src, frequency)
 		for(var/ch_name in channels)
 			radio_controller.remove_object(src, radiochannels[ch_name])
-	patch_link = null
 	global_radios -= src
+	follow_target = null
 	return ..()