diff --git a/armi/settings/fwSettings/globalSettings.py b/armi/settings/fwSettings/globalSettings.py
index 4f88367ba..286557eeb 100644
--- a/armi/settings/fwSettings/globalSettings.py
+++ b/armi/settings/fwSettings/globalSettings.py
@@ -65,7 +65,6 @@
 CONF_DETAIL_ASSEM_LOCATIONS_BOL = "detailAssemLocationsBOL"
 CONF_DETAIL_ASSEM_NUMS = "detailAssemNums"
 CONF_DETAILED_AXIAL_EXPANSION = "detailedAxialExpansion"
-CONF_DO_ORIFICED_TH = "doOrificedTH"  # zones
 CONF_DUMP_SNAPSHOT = "dumpSnapshot"
 CONF_EQ_DIRECT = "eqDirect"  # fuelCycle/equilibrium coupling
 CONF_EXPLICIT_REPEAT_SHUFFLES = "explicitRepeatShuffles"
@@ -508,13 +507,6 @@ def defineSettings() -> List[setting.Setting]:
             description="List of snapshots to dump reactor physics kernel input and "
             "output files. Can be used to perform follow-on analysis.",
         ),
-        setting.Setting(
-            CONF_DO_ORIFICED_TH,
-            default=False,
-            label="Perform Core Orificing",
-            description="Perform orificed thermal hydraulics (requires bounds file "
-            "from a previous case)",
-        ),
         setting.Setting(
             CONF_EQ_DIRECT,
             default=False,