diff --git a/Sia.Reactors/Aggregator/Aggregator.cs b/Sia.Reactors/Aggregator/Aggregator.cs
index 4ff4ad8..299a346 100644
--- a/Sia.Reactors/Aggregator/Aggregator.cs
+++ b/Sia.Reactors/Aggregator/Aggregator.cs
@@ -7,8 +7,6 @@ namespace Sia.Reactors;
 public abstract class AggregatorBase<TId> : ReactorBase<TypeUnion<Sid<TId>>>
     where TId : notnull, IEquatable<TId>
 {
-    public bool AutoCreateAggregation { get; set; } = false;
-
     [AllowNull]
     private IReactiveEntityQuery _aggregationQuery;
     private readonly Dictionary<TId, EntityRef> _aggrs = [];