diff --git a/Source/Game/Scenarios/InstanceScenario.cs b/Source/Game/Scenarios/InstanceScenario.cs
index 5f79fb1cb..119f8cfc2 100644
--- a/Source/Game/Scenarios/InstanceScenario.cs
+++ b/Source/Game/Scenarios/InstanceScenario.cs
@@ -178,6 +178,5 @@ namespace Game.Scenarios
         }
 
         Map _map;
-        Dictionary<byte, Dictionary<uint, CriteriaProgress>> _stepCriteriaProgress = new();
     }
 }