diff --git a/code/ZAS/Airflow.dm b/code/ZAS/Airflow.dm
index a9bda2a2b16..2d1b72b89db 100644
--- a/code/ZAS/Airflow.dm
+++ b/code/ZAS/Airflow.dm
@@ -83,7 +83,7 @@ vs_control/var
 	airflow_mob_slowdown_NAME = "Airflow Slowdown"
 	airflow_mob_slowdown_DESC = "Time in tenths of a second to add as a delay to each movement by a mob if they are fighting the pull of the airflow."
 
-mob/var/last_airflow_stun = 0
+mob/var/tmp/last_airflow_stun = 0
 mob/proc/airflow_stun()
 	if(stat == 2)
 		return 0
@@ -250,10 +250,10 @@ proc/AirflowSpace(zone/A)
 					//Sometimes shit breaks, and M isn't there after the spawn.
 
 atom/movable
-	var/turf/airflow_dest
-	var/airflow_speed = 0
-	var/airflow_time = 0
-	var/last_airflow = 0
+	var/tmp/turf/airflow_dest
+	var/tmp/airflow_speed = 0
+	var/tmp/airflow_time = 0
+	var/tmp/last_airflow = 0
 
 	proc/GotoAirflowDest(n)
 		if(!airflow_dest) return
diff --git a/code/defines/obj/decal.dm b/code/defines/obj/decal.dm
index 92a66b79b07..885efaa6653 100644
--- a/code/defines/obj/decal.dm
+++ b/code/defines/obj/decal.dm
@@ -90,7 +90,7 @@
 	layer = 2
 	icon = 'drip.dmi'
 	icon_state = "1"
-	track_amt = 0
+//	track_amt = 0
 
 /obj/effect/decal/cleanable/mucus
 	name = "mucus"
diff --git a/code/game/atom_procs.dm b/code/game/atom_procs.dm
index 0e3c6eaef59..96e1da18da9 100644
--- a/code/game/atom_procs.dm
+++ b/code/game/atom_procs.dm
@@ -228,7 +228,7 @@
 		//if there isn't a blood decal already, make one.
 		var/obj/effect/decal/cleanable/blood/newblood = new /obj/effect/decal/cleanable/blood(T)
 		newblood.blood_DNA[M.dna.unique_enzymes] = M.dna.b_type
-		newblood.blood_owner = M
+//		newblood.blood_owner = M
 		newblood.virus2 = M.virus2
 		for(var/datum/disease/D in M.viruses)
 			var/datum/disease/newDisease = new D.type
diff --git a/code/modules/DetectiveWork/footprints_and_rag.dm b/code/modules/DetectiveWork/footprints_and_rag.dm
index 83e49347897..d9f767e9304 100644
--- a/code/modules/DetectiveWork/footprints_and_rag.dm
+++ b/code/modules/DetectiveWork/footprints_and_rag.dm
@@ -15,7 +15,7 @@ obj/item/clothing/gloves/var
 	mob/living/carbon/human/bloody_hands_mob
 
 
-obj/effect/decal/cleanable/var
+/*obj/effect/decal/cleanable/var
 	track_amt = 3
 	mob/blood_owner
 
@@ -145,7 +145,7 @@ proc/get_tracks(mob/M)
 		else if(istype(M,/mob/living/carbon/alien/larva))
 			. = "small alien feet"
 		else
-			. = "an unknown creature"
+			. = "an unknown creature"*/
 
 
 proc/blood_incompatible(donor,receiver)
diff --git a/code/modules/mob/living/carbon/human/human.dm b/code/modules/mob/living/carbon/human/human.dm
index b0252637717..b5601b68578 100644
--- a/code/modules/mob/living/carbon/human/human.dm
+++ b/code/modules/mob/living/carbon/human/human.dm
@@ -188,7 +188,7 @@
 	this.icon_state = pick(iconL)
 	this.blood_DNA = list()
 	this.blood_DNA[dna.unique_enzymes] = dna.b_type
-	this.blood_owner = src
+//	this.blood_owner = src
 
 	if(virus2)
 		this.virus2 = virus2.getcopy()