diff --git a/src/JasperFx.Core.Tests/CacheTests.cs b/src/JasperFx.Core.Tests/CacheTests.cs
index 3b74128..c0a065c 100644
--- a/src/JasperFx.Core.Tests/CacheTests.cs
+++ b/src/JasperFx.Core.Tests/CacheTests.cs
@@ -80,19 +80,6 @@ public void get_enumerator()
             cache.ShouldContain(42);
         }
 
-        [Fact]
-        public void set_OnAddition()
-        {
-            ICallback callback = Substitute.For<ICallback>();
-            cache["firstKey"] = 0;
-            callback.DidNotReceive().OnAdditionCallback(42);
-            //callback.AssertWasNotCalled(c => c.OnAdditionCallback(42));
-            cache.OnAddition = callback.OnAdditionCallback;
-            cache[Key] = 42;
-            callback.Received().OnAdditionCallback(42);
-            //callback.AssertWasCalled(c=>c.OnAdditionCallback(42));
-        }
-
         [Fact]
         public void can_remove()
         {