diff --git a/code/modules/reagents/chemistry/recipes.dm b/code/modules/reagents/chemistry/recipes.dm
index 9e73f12f10..a4167a19df 100644
--- a/code/modules/reagents/chemistry/recipes.dm
+++ b/code/modules/reagents/chemistry/recipes.dm
@@ -9,7 +9,6 @@
 	var/atom/required_container = null // the container required for the reaction to happen
 	var/required_other = 0 // an integer required for the reaction to happen
 
-	var/secondary = 0 // set to nonzero if secondary reaction
 	var/mob_react = TRUE //Determines if a chemical reaction can occur inside a mob
 
 	var/required_temp = 0
diff --git a/code/modules/reagents/chemistry/recipes/pyrotechnics.dm b/code/modules/reagents/chemistry/recipes/pyrotechnics.dm
index a430d93fba..0fa4ddd479 100644
--- a/code/modules/reagents/chemistry/recipes/pyrotechnics.dm
+++ b/code/modules/reagents/chemistry/recipes/pyrotechnics.dm
@@ -268,7 +268,6 @@
 	id = "smoke_powder_smoke"
 	required_reagents = list("smoke_powder" = 1)
 	required_temp = 374
-	secondary = 1
 	mob_react = FALSE
 
 /datum/chemical_reaction/smoke_powder_smoke/on_reaction(datum/reagents/holder, created_volume)