diff --git a/Pattern/Injection/Annotation/Optional.cs b/Pattern/Injection/Annotation/Optional.cs
index 8646718..52aa8f4 100644
--- a/Pattern/Injection/Annotation/Optional.cs
+++ b/Pattern/Injection/Annotation/Optional.cs
@@ -27,28 +27,5 @@ namespace Injection.Optional
             Assert.IsNotNull(instance);
             Assert.AreEqual(expected, instance.Value);
         }
-
-        protected override void Assert_ThrowsWhenNotRegistered(Type type, InjectionMember member, object @default, object expected)
-        {
-            // Inject
-            Container.RegisterType(null, type, null, null, member);
-
-            // Act
-            var instance = Container.Resolve(type, null) as PatternBaseType;
-
-            // Validate
-            Assert.IsNotNull(instance);
-            Assert.AreEqual(@default, instance.Value);
-
-            // Register missing types
-            RegisterTypes();
-
-            // Act
-            instance = Container.Resolve(type, null) as PatternBaseType;
-
-            // Validate
-            Assert.IsNotNull(instance);
-            Assert.AreEqual(expected, instance.Value);
-        }
     }
 }
diff --git a/Pattern/Injection/ByValue.cs b/Pattern/Injection/ByValue.cs
index dd2a237..1b59bca 100644
--- a/Pattern/Injection/ByValue.cs
+++ b/Pattern/Injection/ByValue.cs
@@ -42,9 +42,8 @@ namespace Injection
         public virtual void Inject_WithType(string test, Type type, object defaultValue, object defaultAttr,
                                             object registered, object named, object injected, object overridden,
                                             object @default)
-            => Assert_ThrowsWhenNotRegistered(
-                BaselineTestType.MakeGenericType(type),
-                InjectionMember_Value(type), @default, registered);
+            => Assert_Injection(BaselineTestType.MakeGenericType(type),
+                                InjectionMember_Value(type), @default, registered);
 
 #if BEHAVIOR_V4 || BEHAVIOR_V5
         [Ignore("https://github.com/unitycontainer/container/issues/235")]