diff --git a/code/defines/gases.dm b/code/defines/gases.dm
index b1c4cced57e..74cb0d93797 100644
--- a/code/defines/gases.dm
+++ b/code/defines/gases.dm
@@ -18,24 +18,6 @@
 	specific_heat = 30	// J/(mol*K)
 	molar_mass = 0.044	// kg/mol
 
-//R-UST port
-/decl/xgm_gas/fuel
-	id = GAS_FUEL
-	name = "Fuel"
-
-	//Note that this has a significant impact on TTV yield.
-	//Because it is so high, any leftover phoron soaks up a lot of heat and drops the yield pressure.
-	specific_heat = 200	// J/(mol*K)
-
-	//Hypothetical group 14 (same as carbon), period 8 element.
-	//Using multiplicity rule, it's atomic number is 162
-	//and following a N/Z ratio of 1.5, the molar mass of a monatomic gas is:
-	molar_mass = 0.405	// kg/mol
-
-	tile_overlay = "gas_dense"
-	overlay_limit = 0.7
-	flags = XGM_GAS_FUEL | XGM_GAS_CONTAMINANT | XGM_GAS_FUSION_FUEL
-
 /decl/xgm_gas/phoron
 	id = "phoron"
 	name = "Phoron"
@@ -51,7 +33,7 @@
 
 	tile_overlay = "phoron"
 	overlay_limit = 0.7
-	flags = XGM_GAS_FUEL | XGM_GAS_CONTAMINANT
+	flags = XGM_GAS_FUEL | XGM_GAS_CONTAMINANT | XGM_GAS_FUSION_FUEL //R-UST port, adding XGM_GAS_FUSION_FUEL flag.
 
 /decl/xgm_gas/volatile_fuel
 	id = "volatile_fuel"