diff --git a/code/modules/mob/living/silicon/robot/robot.dm b/code/modules/mob/living/silicon/robot/robot.dm
index 611243f654..1c29abd372 100644
--- a/code/modules/mob/living/silicon/robot/robot.dm
+++ b/code/modules/mob/living/silicon/robot/robot.dm
@@ -1160,7 +1160,9 @@
 		if(module.type == /obj/item/weapon/robot_module/janitor)
 			var/turf/tile = loc
 			if(isturf(tile))
-				tile.clean_blood()
+				if (istype(tile, /turf/simulated))
+					var/turf/simulated/S = tile
+					S.dirt = 0
 				for(var/A in tile)
 					if(istype(A, /obj/effect))
 						if(istype(A, /obj/effect/rune) || istype(A, /obj/effect/decal/cleanable) || istype(A, /obj/effect/overlay))
diff --git a/code/modules/reagents/Chemistry-Reagents.dm b/code/modules/reagents/Chemistry-Reagents.dm
index ab7915dec0..80672b358e 100644
--- a/code/modules/reagents/Chemistry-Reagents.dm
+++ b/code/modules/reagents/Chemistry-Reagents.dm
@@ -906,6 +906,9 @@ datum
 
 					for(var/mob/living/carbon/slime/M in T)
 						M.adjustToxLoss(rand(5,10))
+			reaction_turf(var/turf/simulated/S, var/volume)
+				if(volume >= 1)
+					S.dirt = 0
 
 			reaction_mob(var/mob/M, var/method=TOUCH, var/volume)
 				if(iscarbon(M))