diff --git a/code/controllers/subsystem/fluids.dm b/code/controllers/subsystem/fluids.dm
index 76273abe4cc..111e2f3af1b 100644
--- a/code/controllers/subsystem/fluids.dm
+++ b/code/controllers/subsystem/fluids.dm
@@ -242,11 +242,3 @@ FLUID_SUBSYSTEM_DEF(smoke)
 	name = "Smoke"
 	spread_wait = 0.1 SECONDS
 	effect_wait = 2.0 SECONDS
-/*
-/// The subsystem responsible for processing foam propagation and effects.
-FLUID_SUBSYSTEM_DEF(foam)
-	name = "Foam"
-	wait = 0.1 SECONDS // Makes effect bubbling work with foam.
-	spread_wait = 0.2 SECONDS
-	effect_wait = 0.2 SECONDS
-*/ // Not used