diff --git a/code/modules/atmospherics/gasmixtures/gas_mixture.dm b/code/modules/atmospherics/gasmixtures/gas_mixture.dm
index 3c6a06a0e3..4ec12382a9 100644
--- a/code/modules/atmospherics/gasmixtures/gas_mixture.dm
+++ b/code/modules/atmospherics/gasmixtures/gas_mixture.dm
@@ -49,14 +49,6 @@ GLOBAL_LIST_INIT(meta_gas_fusions, meta_gas_fusion_list())
 
 /datum/gas_mixture/proc/heat_capacity() //joules per kelvin
 
-/datum/gas_mixture/turf/archived_heat_capacity() // Same as above except vacuums return HEAT_CAPACITY_VACUUM
-	var/list/cached_gases = gas_archive
-	var/list/cached_gasheats = GLOB.meta_gas_specific_heats
-	for(var/id in cached_gases)
-		. += cached_gases[id] * cached_gasheats[id]
-	if(!.)
-		. += HEAT_CAPACITY_VACUUM //we want vacuums in turfs to have the same heat capacity as space
-
 /datum/gas_mixture/proc/total_moles()
 
 /datum/gas_mixture/proc/return_pressure() //kilopascals
@@ -82,10 +74,6 @@ GLOBAL_LIST_INIT(meta_gas_fusions, meta_gas_fusion_list())
 
 /datum/gas_mixture/proc/thermal_energy() //joules
 
-/datum/gas_mixture/proc/archive()
-	//Update archived versions of variables
-	//Returns: 1 in all cases
-
 /datum/gas_mixture/proc/archive()
 	//Update archived versions of variables
 	//Returns: 1 in all cases
@@ -138,11 +126,6 @@ GLOBAL_LIST_INIT(meta_gas_fusions, meta_gas_fusion_list())
 	//Performs various reactions such as combustion or fusion (LOL)
 	//Returns: 1 if any reaction took place; 0 otherwise
 
-/datum/gas_mixture/archive()
-	temperature_archived = temperature
-	gas_archive = gases.Copy()
-	return 1
-
 /datum/gas_mixture/proc/__remove()
 /datum/gas_mixture/remove(amount)
 	var/datum/gas_mixture/removed = new type