diff --git a/tools/engine-port/ClosureAnalyzer/Program.cs b/tools/engine-port/ClosureAnalyzer/Program.cs
index e1ff7580..15e00649 100644
--- a/tools/engine-port/ClosureAnalyzer/Program.cs
+++ b/tools/engine-port/ClosureAnalyzer/Program.cs
@@ -14,7 +14,6 @@ public static class Program
         "SVSim.BattleEngine.Rng.HeadlessBattleMgr",
         "SVSim.BattleEngine.Rng.HeadlessNetworkBattleMgr",
         "Wizard.Battle.Mulligan.MulliganMgrBase",
-        "SVSim.BattleEngine.Ambient.BattleAmbientContext",
     };
 
     private static readonly HashSet<string> NUnitAttributeNames = new(StringComparer.Ordinal)