diff --git a/Rx.NET/Source/src/System.Reactive/Linq/Observable/Scan.cs b/Rx.NET/Source/src/System.Reactive/Linq/Observable/Scan.cs
index 202d162b86..74d347897a 100644
--- a/Rx.NET/Source/src/System.Reactive/Linq/Observable/Scan.cs
+++ b/Rx.NET/Source/src/System.Reactive/Linq/Observable/Scan.cs
@@ -75,8 +75,6 @@ public _(Func<TSource, TSource, TSource> accumulator, IObserver<TSource> observe
                 : base(observer)
             {
                 _accumulator = accumulator;
-                _accumulation = default(TSource);
-                _hasAccumulation = false;
             }
 
             public override void OnNext(TSource value)