diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ChallengeResultTest.cs b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ChallengeResultTest.cs
index 145fd4afa6..13c691e467 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ChallengeResultTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ChallengeResultTest.cs
@@ -18,7 +18,6 @@ namespace Microsoft.AspNet.Mvc.Core.Test.ActionResults
             httpContext.Setup(o => o.Response).Returns(httpResponse.Object);
 
             var routeData = new RouteData();
-            routeData.Values = new Dictionary<string, object>();
             routeData.Routers.Add(Mock.Of<IRouter>());
 
             var actionContext = new ActionContext(httpContext.Object,
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/RedirectResultTest.cs b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/RedirectResultTest.cs
index c0996575a4..d01d433ba7 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/RedirectResultTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/RedirectResultTest.cs
@@ -97,10 +97,7 @@ namespace Microsoft.AspNet.Mvc.Core.Test
 
         private static ActionContext GetActionContext(HttpContext httpContext)
         {
-            var routeData = new RouteData()
-            {
-                Values = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase),
-            };
+            var routeData = new RouteData();
             routeData.Routers.Add(new Mock<IRouter>().Object);
 
             return new ActionContext(httpContext,
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/BodyModelBinderTests.cs b/test/Microsoft.AspNet.Mvc.Core.Test/BodyModelBinderTests.cs
index 155b71735f..caa52ec240 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/BodyModelBinderTests.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/BodyModelBinderTests.cs
@@ -137,7 +137,6 @@ namespace Microsoft.AspNet.Mvc
         private static IContextAccessor<ActionContext> CreateActionContext(HttpContext context, IRouter router)
         {
             var routeData = new RouteData();
-            routeData.Values = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);
             routeData.Routers.Add(router);
 
             var actionContext = new ActionContext(context,
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs b/test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs
index d315a3bceb..c78ee3da3c 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs
@@ -608,11 +608,8 @@ namespace Microsoft.AspNet.Mvc
         {
             // Arrange
             var routeContext = new RouteContext(GetHttpContext(verb));
-            routeContext.RouteData.Values = new Dictionary<string, object>
-            {
-                { "controller", "HttpMethodAttributeTests_RestOnly" },
-                { "action", "Patch" }
-            };
+            routeContext.RouteData.Values.Add("controller", "HttpMethodAttributeTests_RestOnly");
+            routeContext.RouteData.Values.Add("action", "Patch");
 
             // Act
             var result = await InvokeActionSelector(routeContext);
@@ -631,11 +628,8 @@ namespace Microsoft.AspNet.Mvc
         {
             // Arrange
             var routeContext = new RouteContext(GetHttpContext(verb));
-            routeContext.RouteData.Values = new Dictionary<string, object>()
-            {
-                { "controller", "HttpMethodAttributeTests_RestOnly" },
-                { "action", "Put" }
-            };
+            routeContext.RouteData.Values.Add("controller", "HttpMethodAttributeTests_RestOnly");
+            routeContext.RouteData.Values.Add("action", "Put");
 
             // Act
             var result = await InvokeActionSelector(routeContext);
@@ -652,10 +646,7 @@ namespace Microsoft.AspNet.Mvc
             // Arrange
             // Note no action name is passed, hence should return a null action descriptor.
             var routeContext = new RouteContext(GetHttpContext(verb));
-            routeContext.RouteData.Values = new Dictionary<string, object>()
-            {
-                { "controller", "HttpMethodAttributeTests_RestOnly" },
-            };
+            routeContext.RouteData.Values.Add("controller", "HttpMethodAttributeTests_RestOnly");
 
             // Act
             var result = await InvokeActionSelector(routeContext);
@@ -694,11 +685,8 @@ namespace Microsoft.AspNet.Mvc
         {
             // Arrange
             var routeContext = new RouteContext(GetHttpContext(verb));
-            routeContext.RouteData.Values = new Dictionary<string, object>
-            {
-                { "controller", "ActionName" },
-                { "action", "RPCMethodWithHttpGet" }
-            };
+            routeContext.RouteData.Values.Add("controller", "ActionName");
+            routeContext.RouteData.Values.Add("action", "RPCMethodWithHttpGet");
 
             // Act
             var result = await InvokeActionSelector(routeContext);
@@ -727,11 +715,8 @@ namespace Microsoft.AspNet.Mvc
         {
             // Arrange
             var routeContext = new RouteContext(GetHttpContext(verb));
-            routeContext.RouteData.Values = new Dictionary<string, object>
-            {
-                { "controller", "ActionName" },
-                { "action", actionName }
-            };
+            routeContext.RouteData.Values.Add("controller", "ActionName");
+            routeContext.RouteData.Values.Add("action", actionName);
 
             // Act
             var result = await InvokeActionSelector(routeContext);
@@ -865,11 +850,7 @@ namespace Microsoft.AspNet.Mvc
 
         private static RouteContext CreateRouteContext(string httpMethod)
         {
-            var routeData = new RouteData()
-            {
-                Values = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase),
-            };
-
+            var routeData = new RouteData();
             routeData.Routers.Add(new Mock<IRouter>(MockBehavior.Strict).Object);
 
             var httpContext = new Mock<HttpContext>(MockBehavior.Strict);
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/UrlHelperTest.cs b/test/Microsoft.AspNet.Mvc.Core.Test/UrlHelperTest.cs
index a2baf9ca62..dcfd3410dc 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/UrlHelperTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/UrlHelperTest.cs
@@ -569,7 +569,6 @@ namespace Microsoft.AspNet.Mvc.Core.Test
         private static IContextAccessor<ActionContext> CreateActionContext(HttpContext context, IRouter router)
         {
             var routeData = new RouteData();
-            routeData.Values = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);
             routeData.Routers.Add(router);
 
             var actionContext = new ActionContext(context,
diff --git a/test/Microsoft.AspNet.Mvc.Razor.Test/DefaultViewLocationCacheTest.cs b/test/Microsoft.AspNet.Mvc.Razor.Test/DefaultViewLocationCacheTest.cs
index ed9fbc6919..4fa3d1d2da 100644
--- a/test/Microsoft.AspNet.Mvc.Razor.Test/DefaultViewLocationCacheTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Razor.Test/DefaultViewLocationCacheTest.cs
@@ -115,10 +115,7 @@ namespace Microsoft.AspNet.Mvc.Razor
         public static ActionContext GetActionContext(string controller = "mycontroller",
                                                      string area = null)
         {
-            var routeData = new RouteData
-            {
-                Values = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase)
-            };
+            var routeData = new RouteData();
             routeData.Values["controller"] = controller;
             if (area != null)
             {
diff --git a/test/Microsoft.AspNet.Mvc.Razor.Test/RazorViewEngineTest.cs b/test/Microsoft.AspNet.Mvc.Razor.Test/RazorViewEngineTest.cs
index 9dea394ec9..b8602d9238 100644
--- a/test/Microsoft.AspNet.Mvc.Razor.Test/RazorViewEngineTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Razor.Test/RazorViewEngineTest.cs
@@ -461,7 +461,13 @@ namespace Microsoft.AspNet.Mvc.Razor.Test
                            .Returns(razorView ?? Mock.Of<IRazorView>());
 
             httpContext.RequestServices = serviceProvider.Object;
-            var routeData = new RouteData { Values = routeValues };
+
+            var routeData = new RouteData();
+            foreach (var kvp in routeValues)
+            {
+                routeData.Values.Add(kvp.Key, kvp.Value);
+            }
+
             return new ActionContext(httpContext, routeData, new ActionDescriptor());
         }
 
diff --git a/test/Microsoft.AspNet.Mvc.WebApiCompatShimTest/OverloadActionConstraintTest.cs b/test/Microsoft.AspNet.Mvc.WebApiCompatShimTest/OverloadActionConstraintTest.cs
index c76012ca7b..1f520c3c36 100644
--- a/test/Microsoft.AspNet.Mvc.WebApiCompatShimTest/OverloadActionConstraintTest.cs
+++ b/test/Microsoft.AspNet.Mvc.WebApiCompatShimTest/OverloadActionConstraintTest.cs
@@ -511,10 +511,12 @@ namespace Microsoft.AspNet.Mvc.WebApiCompatShim
             }
 
             var routeContext = new RouteContext(httpContext);
-            routeContext.RouteData = new RouteData()
+            routeContext.RouteData = new RouteData();
+
+            foreach (var kvp in new RouteValueDictionary(routeValues))
             {
-                Values = new RouteValueDictionary(routeValues),
-            };
+                routeContext.RouteData.Values.Add(kvp.Key, kvp.Value);
+            }
 
             return routeContext;
         }