diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/ActionConstraintValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/ActionConstraintValues.cs
index 92f603bb72..1ad5791587 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/ActionConstraintValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/ActionConstraintValues.cs
@@ -47,10 +47,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// Whether the action constraint is an <see cref="IActionConstraintFactory"/>.
         /// </summary>
         public bool IsFactory { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/ActionDescriptorValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/ActionDescriptorValues.cs
index d02e1d55fc..bd0c719dda 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/ActionDescriptorValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/ActionDescriptorValues.cs
@@ -117,10 +117,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// See <see cref="ControllerActionDescriptor.ControllerTypeInfo"/>.
         /// </summary>
         public TypeInfo ControllerTypeInfo { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/ActionModelValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/ActionModelValues.cs
index 6b89f81126..47d841d333 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/ActionModelValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/ActionModelValues.cs
@@ -91,10 +91,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// Gets the set of properties associated with the action <see cref="ActionModel.Properties"/>.
         /// </summary>
         public IDictionary<object, object> Properties { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/ApiExplorerModelValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/ApiExplorerModelValues.cs
index e6431870af..0b717928ea 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/ApiExplorerModelValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/ApiExplorerModelValues.cs
@@ -29,10 +29,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// See <see cref="ApiExplorerModel.GroupName"/>.
         /// </summary>
         public string GroupName { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/AssemblyValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/AssemblyValues.cs
index 9c3a4318e1..2dd5ac8a20 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/AssemblyValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/AssemblyValues.cs
@@ -37,10 +37,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// Whether or not the assembly is dynamic. See <see cref="Assembly.IsDynamic"/>.
         /// </summary>
         public bool IsDynamic { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/AttributeRouteInfoValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/AttributeRouteInfoValues.cs
index 6f4dbd4ac6..4e8ea31cb6 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/AttributeRouteInfoValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/AttributeRouteInfoValues.cs
@@ -33,10 +33,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// The name of the route. See <see cref="AttributeRouteInfo.Name"/>.
         /// </summary>
         public string Name { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/AttributeRouteModelValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/AttributeRouteModelValues.cs
index ebe5bfb6c1..c8f3612c3b 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/AttributeRouteModelValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/AttributeRouteModelValues.cs
@@ -42,10 +42,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// Whether or not the template is absolute. See <see cref="AttributeRouteModel.IsAbsoluteTemplate"/>.
         /// </summary>
         public bool IsAbsoluteTemplate { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/ControllerModelValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/ControllerModelValues.cs
index e71fb9039c..46497cc486 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/ControllerModelValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/ControllerModelValues.cs
@@ -94,10 +94,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// Gets the set of properties associated with the controller <see cref="ControllerModel.Properties"/>.
         /// </summary>
         public IDictionary<object, object> Properties { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/FilterDescriptorValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/FilterDescriptorValues.cs
index fcb33adc8d..e23702ad75 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/FilterDescriptorValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/FilterDescriptorValues.cs
@@ -34,10 +34,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// The filter scope. See <see cref="FilterDescriptor.Scope"/>.
         /// </summary>
         public int Scope { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/FilterValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/FilterValues.cs
index 030d83dac7..8bc77e2379 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/FilterValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/FilterValues.cs
@@ -60,10 +60,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// A list of interfaces the <see cref="IFilter"/> implements.
         /// </summary>
         public IList<Type> FilterInterfaces { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/ParameterDescriptorValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/ParameterDescriptorValues.cs
index 009b1bad08..f1893574c6 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/ParameterDescriptorValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/ParameterDescriptorValues.cs
@@ -28,10 +28,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// The <see cref="Type"/> of the parameter. See <see cref="ParameterDescriptor.ParameterType"/>.
         /// </summary>
         public Type ParameterType { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/ParameterModelValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/ParameterModelValues.cs
index b08c6065f5..4a8fecc1c3 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/ParameterModelValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/ParameterModelValues.cs
@@ -30,10 +30,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// The <see cref="Type"/> of the parameter.
         /// </summary>
         public Type ParameterType { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/PropertyModelValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/PropertyModelValues.cs
index fe5d003d3d..8bf1a1dbe3 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/PropertyModelValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/PropertyModelValues.cs
@@ -30,10 +30,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// The <see cref="Type"/> of the property.
         /// </summary>
         public Type PropertyType { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/RouteConstraintProviderValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/RouteConstraintProviderValues.cs
index bef31915a4..a3035f03fd 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/RouteConstraintProviderValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/RouteConstraintProviderValues.cs
@@ -39,10 +39,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// See <see cref="IRouteConstraintProvider.BlockNonAttributedActions"/>.
         /// </summary>
         public bool BlockNonAttributedActions { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
diff --git a/src/Microsoft.AspNet.Mvc.Core/Logging/RouteDataActionConstraintValues.cs b/src/Microsoft.AspNet.Mvc.Core/Logging/RouteDataActionConstraintValues.cs
index 6ee6dc53c7..9534ff41ab 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Logging/RouteDataActionConstraintValues.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Logging/RouteDataActionConstraintValues.cs
@@ -33,10 +33,5 @@ namespace Microsoft.AspNet.Mvc.Logging
         /// The  <see cref="RouteKeyHandling"/>. See <see cref="RouteDataActionConstraint.KeyHandling"/>.
         /// </summary>
         public RouteKeyHandling KeyHandling { get; }
-
-        public override string Format()
-        {
-            return LogFormatter.FormatLogValues(this);
-        }
     }
 }
\ No newline at end of file
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs b/test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs
index 6b404b9f11..98924d7b67 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs
@@ -44,13 +44,13 @@ namespace Microsoft.AspNet.Mvc
             Assert.Equal(1, sink.Scopes.Count);
             var scope = sink.Scopes[0];
             Assert.Equal(typeof(DefaultActionSelector).FullName, scope.LoggerName);
-            Assert.Equal("DefaultActionSelector.SelectAsync", scope.Scope);
+            Assert.Equal("DefaultActionSelector.SelectAsync", scope.Scope.ToString());
 
             Assert.Equal(1, sink.Writes.Count);
 
             var write = sink.Writes[0];
             Assert.Equal(typeof(DefaultActionSelector).FullName, write.LoggerName);
-            Assert.Equal("DefaultActionSelector.SelectAsync", write.Scope);
+            Assert.Equal("DefaultActionSelector.SelectAsync", write.Scope.ToString());
             var values = Assert.IsType<DefaultActionSelectorSelectAsyncValues>(write.State);
             Assert.Equal("DefaultActionSelector.SelectAsync", values.Name);
             Assert.Empty(values.ActionsMatchingRouteConstraints);
@@ -95,13 +95,13 @@ namespace Microsoft.AspNet.Mvc
             Assert.Equal(1, sink.Scopes.Count);
             var scope = sink.Scopes[0];
             Assert.Equal(typeof(DefaultActionSelector).FullName, scope.LoggerName);
-            Assert.Equal("DefaultActionSelector.SelectAsync", scope.Scope);
+            Assert.Equal("DefaultActionSelector.SelectAsync", scope.Scope.ToString());
 
             Assert.Equal(1, sink.Writes.Count);
 
             var write = sink.Writes[0];
             Assert.Equal(typeof(DefaultActionSelector).FullName, write.LoggerName);
-            Assert.Equal("DefaultActionSelector.SelectAsync", write.Scope);
+            Assert.Equal("DefaultActionSelector.SelectAsync", write.Scope.ToString());
             var values = Assert.IsType<DefaultActionSelectorSelectAsyncValues>(write.State);
             Assert.Equal("DefaultActionSelector.SelectAsync", values.Name);
             Assert.Equal<ActionDescriptor>(actions, values.ActionsMatchingRouteConstraints);
@@ -137,13 +137,13 @@ namespace Microsoft.AspNet.Mvc
             Assert.Equal(1, sink.Scopes.Count);
             var scope = sink.Scopes[0];
             Assert.Equal(typeof(DefaultActionSelector).FullName, scope.LoggerName);
-            Assert.Equal("DefaultActionSelector.SelectAsync", scope.Scope);
+            Assert.Equal("DefaultActionSelector.SelectAsync", scope.Scope.ToString());
 
             Assert.Equal(1, sink.Writes.Count);
 
             var write = sink.Writes[0];
             Assert.Equal(typeof(DefaultActionSelector).FullName, write.LoggerName);
-            Assert.Equal("DefaultActionSelector.SelectAsync", write.Scope);
+            Assert.Equal("DefaultActionSelector.SelectAsync", write.Scope.ToString());
             var values = Assert.IsType<DefaultActionSelectorSelectAsyncValues>(write.State);
             Assert.Equal("DefaultActionSelector.SelectAsync", values.Name);
             Assert.Equal<ActionDescriptor>(actions, values.ActionsMatchingRouteConstraints);
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/Logging/NullLogger.cs b/test/Microsoft.AspNet.Mvc.Core.Test/Logging/NullLogger.cs
index 3d5c87925e..f6a304d3e7 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/Logging/NullLogger.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/Logging/NullLogger.cs
@@ -10,7 +10,7 @@ namespace Microsoft.AspNet.Mvc
     {
         public static NullLogger Instance = new NullLogger();
 
-        public IDisposable BeginScope(object state)
+        public IDisposable BeginScopeImpl(object state)
         {
             return NullDisposable.Instance;
         }
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/Logging/TestLogger.cs b/test/Microsoft.AspNet.Mvc.Core.Test/Logging/TestLogger.cs
index b862a53ff6..3984aa308f 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/Logging/TestLogger.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/Logging/TestLogger.cs
@@ -20,7 +20,7 @@ namespace Microsoft.AspNet.Mvc
 
         public string Name { get; set; }
 
-        public IDisposable BeginScope(object state)
+        public IDisposable BeginScopeImpl(object state)
         {
             _scope = state;
 
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/MvcRouteHandlerTests.cs b/test/Microsoft.AspNet.Mvc.Core.Test/MvcRouteHandlerTests.cs
index 4ef10959a4..efd5199f35 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/MvcRouteHandlerTests.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/MvcRouteHandlerTests.cs
@@ -34,11 +34,11 @@ namespace Microsoft.AspNet.Mvc
             // Assert
             var scope = Assert.Single(sink.Scopes);
             Assert.Equal(typeof(MvcRouteHandler).FullName, scope.LoggerName);
-            Assert.Equal("MvcRouteHandler.RouteAsync", scope.Scope);
+            Assert.Equal("MvcRouteHandler.RouteAsync", scope.Scope.ToString());
 
             var write = Assert.Single(sink.Writes);
             Assert.Equal(typeof(MvcRouteHandler).FullName, write.LoggerName);
-            Assert.Equal("MvcRouteHandler.RouteAsync", write.Scope);
+            Assert.Equal("MvcRouteHandler.RouteAsync", write.Scope.ToString());
             var values = Assert.IsType<MvcRouteHandlerRouteAsyncValues>(write.State);
             Assert.Equal("MvcRouteHandler.RouteAsync", values.Name);
             Assert.True(values.ActionSelected);
@@ -69,11 +69,11 @@ namespace Microsoft.AspNet.Mvc
             // Assert
             var scope = Assert.Single(sink.Scopes);
             Assert.Equal(typeof(MvcRouteHandler).FullName, scope.LoggerName);
-            Assert.Equal("MvcRouteHandler.RouteAsync", scope.Scope);
+            Assert.Equal("MvcRouteHandler.RouteAsync", scope.Scope.ToString());
 
             var write = Assert.Single(sink.Writes);
             Assert.Equal(typeof(MvcRouteHandler).FullName, write.LoggerName);
-            Assert.Equal("MvcRouteHandler.RouteAsync", write.Scope);
+            Assert.Equal("MvcRouteHandler.RouteAsync", write.Scope.ToString());
             var values = Assert.IsType<MvcRouteHandlerRouteAsyncValues>(write.State);
             Assert.Equal("MvcRouteHandler.RouteAsync", values.Name);
             Assert.False(values.ActionSelected);
@@ -105,13 +105,13 @@ namespace Microsoft.AspNet.Mvc
             // Assert
             var scope = Assert.Single(sink.Scopes);
             Assert.Equal(typeof(MvcRouteHandler).FullName, scope.LoggerName);
-            Assert.Equal("MvcRouteHandler.RouteAsync", scope.Scope);
+            Assert.Equal("MvcRouteHandler.RouteAsync", scope.Scope.ToString());
 
             Assert.Equal(1, sink.Writes.Count);
 
             var write = sink.Writes[0];
             Assert.Equal(typeof(MvcRouteHandler).FullName, write.LoggerName);
-            Assert.Equal("MvcRouteHandler.RouteAsync", write.Scope);
+            Assert.Equal("MvcRouteHandler.RouteAsync", write.Scope.ToString());
             var values = Assert.IsType<MvcRouteHandlerRouteAsyncValues>(write.State);
             Assert.Equal("MvcRouteHandler.RouteAsync", values.Name);
             Assert.True(values.ActionSelected);
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/Routing/InnerAttributeRouteTest.cs b/test/Microsoft.AspNet.Mvc.Core.Test/Routing/InnerAttributeRouteTest.cs
index 9f86fc4694..3bf33bf61d 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/Routing/InnerAttributeRouteTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/Routing/InnerAttributeRouteTest.cs
@@ -926,13 +926,13 @@ namespace Microsoft.AspNet.Mvc.Routing
             Assert.Equal(1, sink.Scopes.Count);
             var scope = sink.Scopes[0];
             Assert.Equal(typeof(AttributeRoute).FullName, scope.LoggerName);
-            Assert.Equal("AttributeRoute.RouteAsync", scope.Scope);
+            Assert.Equal("AttributeRoute.RouteAsync", scope.Scope.ToString());
 
             Assert.Equal(1, sink.Writes.Count);
 
             var write = sink.Writes[0];
             Assert.Equal(typeof(AttributeRoute).FullName, write.LoggerName);
-            Assert.Equal("AttributeRoute.RouteAsync", write.Scope);
+            Assert.Equal("AttributeRoute.RouteAsync", write.Scope.ToString());
             var values = Assert.IsType<AttributeRouteRouteAsyncValues>(write.State);
             Assert.Equal("AttributeRoute.RouteAsync", values.Name);
             Assert.True(values.Handled);
@@ -957,13 +957,13 @@ namespace Microsoft.AspNet.Mvc.Routing
             Assert.Equal(1, sink.Scopes.Count);
             var scope = sink.Scopes[0];
             Assert.Equal(typeof(AttributeRoute).FullName, scope.LoggerName);
-            Assert.Equal("AttributeRoute.RouteAsync", scope.Scope);
+            Assert.Equal("AttributeRoute.RouteAsync", scope.Scope.ToString());
 
             Assert.Equal(1, sink.Writes.Count);
 
             var write = sink.Writes[0];
             Assert.Equal(typeof(AttributeRoute).FullName, write.LoggerName);
-            Assert.Equal("AttributeRoute.RouteAsync", write.Scope);
+            Assert.Equal("AttributeRoute.RouteAsync", write.Scope.ToString());
             var values = Assert.IsType<AttributeRouteRouteAsyncValues>(write.State);
             Assert.Equal("AttributeRoute.RouteAsync", values.Name);
             Assert.False(values.Handled);
diff --git a/test/Microsoft.AspNet.Mvc.FunctionalTests/Logging/LoggingActionSelectionTest.cs b/test/Microsoft.AspNet.Mvc.FunctionalTests/Logging/LoggingActionSelectionTest.cs
index 7a44c89fc8..464326708f 100644
--- a/test/Microsoft.AspNet.Mvc.FunctionalTests/Logging/LoggingActionSelectionTest.cs
+++ b/test/Microsoft.AspNet.Mvc.FunctionalTests/Logging/LoggingActionSelectionTest.cs
@@ -75,6 +75,7 @@ namespace Microsoft.AspNet.Mvc.FunctionalTests
             // Assert
             Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
 
+
             var logs = await GetLogsAsync(client, requestTraceId);
             var scopeNode = logs.FindScope(nameof(MvcRouteHandler) + ".RouteAsync");
 
diff --git a/test/Microsoft.AspNet.Mvc.FunctionalTests/TagHelperSampleTest.cs b/test/Microsoft.AspNet.Mvc.FunctionalTests/TagHelperSampleTest.cs
index fe6490e7b9..1b9d5a7e78 100644
--- a/test/Microsoft.AspNet.Mvc.FunctionalTests/TagHelperSampleTest.cs
+++ b/test/Microsoft.AspNet.Mvc.FunctionalTests/TagHelperSampleTest.cs
@@ -82,7 +82,7 @@ namespace Microsoft.AspNet.Mvc.FunctionalTests
                 return false;
             }
 
-            public IDisposable BeginScope(object scope)
+            public IDisposable BeginScopeImpl(object scope)
             {
                 return new TestDisposable();
             }
diff --git a/test/Microsoft.AspNet.Mvc.TagHelpers.Test/ScriptTagHelperTest.cs b/test/Microsoft.AspNet.Mvc.TagHelpers.Test/ScriptTagHelperTest.cs
index 54e713e313..0ec353b137 100644
--- a/test/Microsoft.AspNet.Mvc.TagHelpers.Test/ScriptTagHelperTest.cs
+++ b/test/Microsoft.AspNet.Mvc.TagHelpers.Test/ScriptTagHelperTest.cs
@@ -367,7 +367,7 @@ namespace Microsoft.AspNet.Mvc.TagHelpers
             Assert.Equal(LogLevel.Verbose, logger.Logged[1].LogLevel);
             Assert.IsAssignableFrom<ILogValues>(logger.Logged[1].State);
             Assert.StartsWith("Skipping processing for Microsoft.AspNet.Mvc.TagHelpers.ScriptTagHelper",
-                ((ILogValues)logger.Logged[1].State).Format());
+                ((ILogValues)logger.Logged[1].State).ToString());
         }
 
         [Fact]
@@ -422,7 +422,7 @@ namespace Microsoft.AspNet.Mvc.TagHelpers
             Assert.Equal(LogLevel.Verbose, logger.Logged[0].LogLevel);
             Assert.IsAssignableFrom<ILogValues>(logger.Logged[0].State);
             Assert.StartsWith("Skipping processing for Microsoft.AspNet.Mvc.TagHelpers.ScriptTagHelper",
-                ((ILogValues)logger.Logged[0].State).Format());
+                ((ILogValues)logger.Logged[0].State).ToString());
         }
 
         [Fact]
diff --git a/test/Microsoft.AspNet.Mvc.TagHelpers.Test/TagHelperLogger.cs b/test/Microsoft.AspNet.Mvc.TagHelpers.Test/TagHelperLogger.cs
index a73ad3ed64..2cbaf9dc52 100644
--- a/test/Microsoft.AspNet.Mvc.TagHelpers.Test/TagHelperLogger.cs
+++ b/test/Microsoft.AspNet.Mvc.TagHelpers.Test/TagHelperLogger.cs
@@ -11,7 +11,7 @@ namespace Microsoft.AspNet.Mvc.TagHelpers
     {
         public List<LoggerData> Logged { get; } = new List<LoggerData>();
 
-        public IDisposable BeginScope(object state)
+        public IDisposable BeginScopeImpl(object state)
         {
             return null;
         }
diff --git a/test/WebSites/LoggingWebSite/ElmLogSerializerMiddleware.cs b/test/WebSites/LoggingWebSite/ElmLogSerializerMiddleware.cs
index c791991dfd..fe8e02bc6f 100644
--- a/test/WebSites/LoggingWebSite/ElmLogSerializerMiddleware.cs
+++ b/test/WebSites/LoggingWebSite/ElmLogSerializerMiddleware.cs
@@ -97,7 +97,7 @@ namespace LoggingWebSite
         private void CopyScopeNodeTree(ScopeNode root, ScopeNodeDto rootDto)
         {
             rootDto.LoggerName = root.Name;
-            rootDto.State = root.State;
+            rootDto.State = root.State?.ToString();
             rootDto.StateType = root.State?.GetType();
 
             foreach (var logInfo in root.Messages)