diff --git a/code/controllers/subsystem/icon_smooth.dm b/code/controllers/subsystem/icon_smooth.dm
index 6f4040299a..bd676bacec 100644
--- a/code/controllers/subsystem/icon_smooth.dm
+++ b/code/controllers/subsystem/icon_smooth.dm
@@ -3,7 +3,6 @@ SUBSYSTEM_DEF(icon_smooth)
 	init_order = INIT_ORDER_ICON_SMOOTHING
 	wait = 1
 	priority = FIRE_PRIOTITY_SMOOTHING
-	flags = SS_TICKER
 
 	var/list/smooth_queue = list()
 	var/list/deferred = list()
diff --git a/code/controllers/subsystem/lighting.dm b/code/controllers/subsystem/lighting.dm
index 12b467b624..c6e6a84bcf 100644
--- a/code/controllers/subsystem/lighting.dm
+++ b/code/controllers/subsystem/lighting.dm
@@ -6,7 +6,6 @@ SUBSYSTEM_DEF(lighting)
 	name = "Lighting"
 	wait = 2
 	init_order = INIT_ORDER_LIGHTING
-	flags = SS_TICKER
 
 /datum/controller/subsystem/lighting/stat_entry()
 	..("L:[GLOB.lighting_update_lights.len]|C:[GLOB.lighting_update_corners.len]|O:[GLOB.lighting_update_objects.len]")
@@ -85,4 +84,4 @@ SUBSYSTEM_DEF(lighting)
 
 /datum/controller/subsystem/lighting/Recover()
 	initialized = SSlighting.initialized
-	..()
\ No newline at end of file
+	..()
diff --git a/code/controllers/subsystem/processing/flightpacks.dm b/code/controllers/subsystem/processing/flightpacks.dm
index a462e2b645..fc994d5061 100644
--- a/code/controllers/subsystem/processing/flightpacks.dm
+++ b/code/controllers/subsystem/processing/flightpacks.dm
@@ -3,7 +3,7 @@ PROCESSING_SUBSYSTEM_DEF(flightpacks)
 	priority = FIRE_PRIORITY_FLIGHTPACKS
 	wait = 2
 	stat_tag = "FM"
-	flags = SS_NO_INIT|SS_TICKER|SS_KEEP_TIMING
+	flags = SS_NO_INIT|SS_KEEP_TIMING
 
 	var/flightsuit_processing = FLIGHTSUIT_PROCESSING_FULL