diff --git a/code/controllers/subsystem.dm b/code/controllers/subsystem.dm
index 444c8e826df..dea6e9645a0 100644
--- a/code/controllers/subsystem.dm
+++ b/code/controllers/subsystem.dm
@@ -45,6 +45,8 @@
 	can_fire = 0
 
 /datum/subsystem/proc/pause()
+	if(!McTickCheck)
+		return 0
 	. = 1
 	if (!dynamic_wait)
 		Master.priority_queue += src
diff --git a/code/controllers/subsystem/air.dm b/code/controllers/subsystem/air.dm
index 12bce4e3029..6efb4ca6e40 100644
--- a/code/controllers/subsystem/air.dm
+++ b/code/controllers/subsystem/air.dm
@@ -147,7 +147,7 @@ var/datum/subsystem/air/SSair
 			thing.process()
 		else
 			networks.Remove(thing)
-		if(MC_TICK_CHECK && McTickCheck)
+		if(MC_TICK_CHECK)
 			return
 
 
@@ -162,7 +162,7 @@ var/datum/subsystem/air/SSair
 		currentrun.Cut(1, 2)
 		if(!M || (M.process_atmos(seconds) == PROCESS_KILL))
 			atmos_machinery.Remove(M)
-		if(MC_TICK_CHECK && McTickCheck)
+		if(MC_TICK_CHECK)
 			return
 
 
@@ -175,7 +175,7 @@ var/datum/subsystem/air/SSair
 		var/turf/T = currentrun[1]
 		currentrun.Cut(1, 2)
 		T.super_conduct()
-		if(MC_TICK_CHECK && McTickCheck)
+		if(MC_TICK_CHECK)
 			return
 
 /datum/subsystem/air/proc/process_hotspots(resumed = 0)
@@ -190,7 +190,7 @@ var/datum/subsystem/air/SSair
 			H.process()
 		else
 			hotspots -= H
-		if(MC_TICK_CHECK && McTickCheck)
+		if(MC_TICK_CHECK)
 			return
 
 
@@ -200,7 +200,7 @@ var/datum/subsystem/air/SSair
 		high_pressure_delta.Cut(1,2)
 		T.high_pressure_movements()
 		T.pressure_difference = 0
-		if(MC_TICK_CHECK && McTickCheck)
+		if(MC_TICK_CHECK)
 			return
 
 /datum/subsystem/air/proc/process_active_turfs(resumed = 0)
@@ -215,7 +215,7 @@ var/datum/subsystem/air/SSair
 		currentrun.Cut(1, 2)
 		if (T)
 			T.process_cell(fire_count)
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
 
 /datum/subsystem/air/proc/process_excited_groups(resumed = 0)
@@ -232,7 +232,7 @@ var/datum/subsystem/air/SSair
 			EG.self_breakdown()
 		else if(EG.dismantle_cooldown >= EXCITED_GROUP_DISMANTLE_CYCLES)
 			EG.dismantle()
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
 
 
diff --git a/code/controllers/subsystem/diseases.dm b/code/controllers/subsystem/diseases.dm
index b71d56f5d2d..71a64f45f53 100644
--- a/code/controllers/subsystem/diseases.dm
+++ b/code/controllers/subsystem/diseases.dm
@@ -25,5 +25,5 @@ var/datum/subsystem/diseases/SSdisease
 			thing.process()
 		else
 			processing.Remove(thing)
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
diff --git a/code/controllers/subsystem/events.dm b/code/controllers/subsystem/events.dm
index 81a935cd1ea..de4d4bbc86d 100644
--- a/code/controllers/subsystem/events.dm
+++ b/code/controllers/subsystem/events.dm
@@ -48,7 +48,7 @@ var/datum/subsystem/events/SSevent
 			thing.process()
 		else
 			running.Remove(thing)
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
 
 //checks if we should select a random event yet, and reschedules if necessary
diff --git a/code/controllers/subsystem/fastprocess.dm b/code/controllers/subsystem/fastprocess.dm
index 85983f490d6..e3f136ac3a0 100644
--- a/code/controllers/subsystem/fastprocess.dm
+++ b/code/controllers/subsystem/fastprocess.dm
@@ -33,5 +33,5 @@ var/datum/subsystem/fastprocess/SSfastprocess
 			thing.process(wait)
 		else
 			SSfastprocess.processing -= thing
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
diff --git a/code/controllers/subsystem/garbage.dm b/code/controllers/subsystem/garbage.dm
index 8b7bc0ea990..bbc9ac5afde 100644
--- a/code/controllers/subsystem/garbage.dm
+++ b/code/controllers/subsystem/garbage.dm
@@ -62,7 +62,7 @@ var/datum/subsystem/garbage_collector/SSgarbage
 /datum/subsystem/garbage_collector/proc/HandleToBeQueued(time_to_stop)
 	var/list/tobequeued = src.tobequeued
 	while(tobequeued.len && world.timeofday < time_to_stop)
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			break
 		var/ref = tobequeued[1]
 		Queue(ref)
@@ -74,7 +74,7 @@ var/datum/subsystem/garbage_collector/SSgarbage
 	var/time_to_kill = world.time - collection_timeout // Anything qdel() but not GC'd BEFORE this time needs to be manually del()
 	var/list/queue = src.queue
 	while(queue.len && world.timeofday < time_to_stop)
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			break
 		var/refID = queue[1]
 		if (!refID)
diff --git a/code/controllers/subsystem/icon_smooth.dm b/code/controllers/subsystem/icon_smooth.dm
index e9ba1d01f71..37d13a710cc 100644
--- a/code/controllers/subsystem/icon_smooth.dm
+++ b/code/controllers/subsystem/icon_smooth.dm
@@ -13,7 +13,7 @@ var/datum/subsystem/icon_smooth/SSicon_smooth
 	for(var/atom in smooth_queue)
 		ss_smooth_icon(atom)
 		smooth_queue -= atom
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
 
 /datum/subsystem/icon_smooth/Initialize()
diff --git a/code/controllers/subsystem/lighting.dm b/code/controllers/subsystem/lighting.dm
index 3a447c9ccd1..dc6dee36d1a 100644
--- a/code/controllers/subsystem/lighting.dm
+++ b/code/controllers/subsystem/lighting.dm
@@ -41,7 +41,7 @@ var/datum/subsystem/lighting/SSlighting
 		var/datum/light_source/LS = changed_lights[1]
 		changed_lights.Cut(1, 2)
 		LS.check()
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
 
 	var/list/changed_turfs = src.changed_turfs
@@ -52,7 +52,7 @@ var/datum/subsystem/lighting/SSlighting
 		changed_turfs.Cut(1, 2)
 		if(T.lighting_changed)
 			T.redraw_lighting()
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
 
 //same as above except it attempts to shift ALL turfs in the world regardless of lighting_changed status
diff --git a/code/controllers/subsystem/machines.dm b/code/controllers/subsystem/machines.dm
index 47cd52fc3f2..8491da09678 100644
--- a/code/controllers/subsystem/machines.dm
+++ b/code/controllers/subsystem/machines.dm
@@ -52,7 +52,7 @@ var/datum/subsystem/machines/SSmachine
 				thing:auto_use_power() //add back the power state
 		else
 			processing.Remove(thing)
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
 
 /datum/subsystem/machines/proc/setup_template_powernets(list/cables)
diff --git a/code/controllers/subsystem/mobs.dm b/code/controllers/subsystem/mobs.dm
index 4e458b0a2da..aa7910c0af3 100644
--- a/code/controllers/subsystem/mobs.dm
+++ b/code/controllers/subsystem/mobs.dm
@@ -30,5 +30,5 @@ var/datum/subsystem/mobs/SSmob
 			M.Life(seconds)
 		else
 			mob_list.Remove(M)
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
\ No newline at end of file
diff --git a/code/controllers/subsystem/objects.dm b/code/controllers/subsystem/objects.dm
index 7c8576f091c..981724a8d84 100644
--- a/code/controllers/subsystem/objects.dm
+++ b/code/controllers/subsystem/objects.dm
@@ -52,7 +52,7 @@ var/datum/subsystem/objects/SSobj
 			thing.process(wait)
 		else
 			SSobj.processing.Remove(thing)
-		if (MC_TICK_CHECK && McTickCheck)
+		if (MC_TICK_CHECK)
 			return
 
 	for(var/obj/burningobj in SSobj.burning)