diff --git a/code/__DEFINES/process_scheduler.dm b/code/__DEFINES/process_scheduler.dm
deleted file mode 100644
index 4bc841022f8..00000000000
--- a/code/__DEFINES/process_scheduler.dm
+++ /dev/null
@@ -1,18 +0,0 @@
-// Process status defines
-#define PROCESS_STATUS_IDLE 1
-#define PROCESS_STATUS_QUEUED 2
-#define PROCESS_STATUS_RUNNING 3
-#define PROCESS_STATUS_MAYBE_HUNG 4
-#define PROCESS_STATUS_PROBABLY_HUNG 5
-#define PROCESS_STATUS_HUNG 6
-
-// Process time thresholds
-#define PROCESS_DEFAULT_HANG_WARNING_TIME 300 // 30 seconds
-#define PROCESS_DEFAULT_HANG_ALERT_TIME   600 // 60 seconds
-#define PROCESS_DEFAULT_HANG_RESTART_TIME 900 // 90 seconds
-#define PROCESS_DEFAULT_SCHEDULE_INTERVAL 50  // 50 ticks
-#define PROCESS_DEFAULT_SLEEP_INTERVAL    20  // 20% of a tick
-#define PROCESS_DEFAULT_DEFER_USAGE       90  // 90% of a tick
-
-// Sleep check macro
-#define SCHECK if(TICK_USAGE >= next_sleep_usage) defer()
diff --git a/code/controllers/Processes/air.dm b/code/controllers/Processes/air.dm
deleted file mode 100644
index 8cc98770b91..00000000000
--- a/code/controllers/Processes/air.dm
+++ /dev/null
@@ -1,23 +0,0 @@
-/datum/controller/process/air/setup()
-	name = "air"
-	schedule_interval = 20 // every 2 seconds
-	start_delay = 4
-
-	if(!air_master)
-		air_master = new
-		air_master.Setup()
-
-/datum/controller/process/air/doWork()
-	if(!air_processing_killed)
-		if(!air_master.Tick()) //Runtimed.
-			air_master.failed_ticks++
-
-			if(air_master.failed_ticks > 5)
-				to_chat(world, "<SPAN CLASS='danger'>RUNTIMES IN ATMOS TICKER.  Killing air simulation!</SPAN>")
-				world.log << "### ZAS SHUTDOWN"
-
-				message_admins("ZASALERT: Shutting down! status: [air_master.tick_progress]")
-				log_admin("ZASALERT: Shutting down! status: [air_master.tick_progress]")
-
-				air_processing_killed = TRUE
-				air_master.failed_ticks = 0
diff --git a/code/modules/admin/view_variables/get_variables.dm b/code/modules/admin/view_variables/get_variables.dm
index 8e834e37e77..ac696e753f4 100644
--- a/code/modules/admin/view_variables/get_variables.dm
+++ b/code/modules/admin/view_variables/get_variables.dm
@@ -1,4 +1,4 @@
-/client/proc/vv_get_class(var_name, var_value)
+/proc/vv_get_class(var_name, var_value)
 	if(isnull(var_value))
 		. = VV_NULL
 
diff --git a/code/modules/atmospherics/gasmixtures/reactions.dm b/code/modules/atmospherics/gasmixtures/reactions.dm
index 637f632e0a5..108ecf37b8f 100644
--- a/code/modules/atmospherics/gasmixtures/reactions.dm
+++ b/code/modules/atmospherics/gasmixtures/reactions.dm
@@ -122,7 +122,7 @@ datum/gas_mixture/proc/check_recombustability(list/fuel_objs)
 	. = 0
 	CACHE_VSC_PROP(atmos_vsc, /atmos/fire/consumption_rate, fire_consumption_rate)
 	for(var/g in gas)
-		if(gas_data.flags[g] & XGM_GAS_OXIDIZER && QUANTIZE(gas[g] * fire_consuption_rate) >= 0.1)
+		if(gas_data.flags[g] & XGM_GAS_OXIDIZER && QUANTIZE(gas[g] * fire_consumption_rate) >= 0.1)
 			. = 1
 			break
 
@@ -134,7 +134,7 @@ datum/gas_mixture/proc/check_recombustability(list/fuel_objs)
 
 	. = 0
 	for(var/g in gas)
-		if(gas_data.flags[g] & XGM_GAS_FUEL && QUANTIZE(gas[g] * fire_consuption_rate) >= 0.005)
+		if(gas_data.flags[g] & XGM_GAS_FUEL && QUANTIZE(gas[g] * fire_consumption_rate) >= 0.005)
 			. = 1
 			break
 
diff --git a/code/modules/atmospherics/zas/Airflow.dm b/code/modules/atmospherics/zas/Airflow.dm
index 48eb53dc452..3494fa1aa20 100644
--- a/code/modules/atmospherics/zas/Airflow.dm
+++ b/code/modules/atmospherics/zas/Airflow.dm
@@ -123,7 +123,7 @@ mob/living/carbon/human/airflow_hit(atom/A)
 	if (prob(33))
 		loc:add_blood(src)
 		bloody_body(src)
-	GET_VSC_PRO(atmos_vsc, /atmos/airflow/impact_damage, impact_damage)
+	GET_VSC_PROP(atmos_vsc, /atmos/airflow/impact_damage, impact_damage)
 	var/b_loss = airflow_speed * impact_damage
 
 	var/blocked = run_armor_check(BP_HEAD,"melee")
@@ -141,10 +141,10 @@ mob/living/carbon/human/airflow_hit(atom/A)
 	GET_VSC_PROP(atmos_vsc, /atmos/airflow/impact_stun, impact_stun)
 
 	if(airflow_speed > 10)
-		Paralyse(round(airflow_speed * vsc.impact_stun))
+		Paralyse(round(airflow_speed * impact_stun))
 		Stun(paralysis + 3)
 	else
-		Stun(round(airflow_speed * vsc.impact_stun/2))
+		Stun(round(airflow_speed * impact_stun/2))
 	. = ..()
 
 zone/proc/movables()
diff --git a/code/modules/atmospherics/zas/Diagnostic.dm b/code/modules/atmospherics/zas/Diagnostic.dm
index 83537b8575e..37873d2b605 100644
--- a/code/modules/atmospherics/zas/Diagnostic.dm
+++ b/code/modules/atmospherics/zas/Diagnostic.dm
@@ -94,7 +94,7 @@ client/proc/Test_ZAS_Connection(var/turf/simulated/T as turf)
 		else
 			to_chat(mob, "both turfs can merge.")
 
-client/proc/ZASSettings()
+/client/proc/ZASSettings()
 	set category = "Debug"
 
-	vsc.SetDefault(mob)
+	atmos_vsc.request_and_set_preset(mob)
diff --git a/vorestation.dme b/vorestation.dme
index 3404e42f280..068eb4de942 100644
--- a/vorestation.dme
+++ b/vorestation.dme
@@ -66,7 +66,6 @@
 #include "code\__DEFINES\objects.dm"
 #include "code\__DEFINES\parameters_world.dm"
 #include "code\__DEFINES\planets.dm"
-#include "code\__DEFINES\process_scheduler.dm"
 #include "code\__DEFINES\qdel.dm"
 #include "code\__DEFINES\research.dm"
 #include "code\__DEFINES\roguemining_vr.dm"