diff --git a/code/controllers/subsystem/icon_smooth.dm b/code/controllers/subsystem/icon_smooth.dm
index b046ce5d046..eaa80ad42cf 100644
--- a/code/controllers/subsystem/icon_smooth.dm
+++ b/code/controllers/subsystem/icon_smooth.dm
@@ -1,6 +1,4 @@
-var/datum/controller/subsystem/icon_smooth/SSicon_smooth
-
-/datum/controller/subsystem/icon_smooth
+SUBSYSTEM_DEF(icon_smooth)
 	name = "Icon Smoothing"
 	init_order = -5
 	wait = 1
@@ -9,9 +7,6 @@ var/datum/controller/subsystem/icon_smooth/SSicon_smooth
 
 	var/list/smooth_queue = list()
 
-/datum/controller/subsystem/icon_smooth/New()
-	NEW_SS_GLOBAL(SSicon_smooth)
-
 /datum/controller/subsystem/icon_smooth/fire()
 	while(smooth_queue.len)
 		var/atom/A = smooth_queue[smooth_queue.len]
@@ -33,5 +28,5 @@ var/datum/controller/subsystem/icon_smooth/SSicon_smooth
 			continue
 		smooth_icon(A)
 		CHECK_TICK
-		
+
 	..()