diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/FileResultTest.cs b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/FileResultTest.cs
index 3b3bb0bc3e..edbc091f5c 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/FileResultTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/FileResultTest.cs
@@ -130,7 +130,6 @@ namespace Microsoft.AspNet.Mvc
                     { "&", "attachment; filename=&; filename*=UTF-8''&" },
                     { "+", "attachment; filename=+; filename*=UTF-8''+" },
                     { "!", "attachment; filename=!; filename*=UTF-8''!" },
-                    { "#", "attachment; filename=#; filename*=UTF-8''#" },
                     { "^", "attachment; filename=^; filename*=UTF-8''^" },
                     { "`", "attachment; filename=`; filename*=UTF-8''`" },
                     { "|", "attachment; filename=|; filename*=UTF-8''|" },
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ObjectResultTests.cs b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ObjectResultTests.cs
index ef886a8e37..ffafd9620f 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ObjectResultTests.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ObjectResultTests.cs
@@ -530,15 +530,11 @@ namespace Microsoft.AspNet.Mvc.Core.Test.ActionResults
 
         [Theory]
         [InlineData("text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
-            "application/json; charset=utf-8")] //Chrome
+            "application/json; charset=utf-8")] // Chrome & Opera
         [InlineData("text/html, application/xhtml+xml, */*",
             "application/json; charset=utf-8")] //IE
         [InlineData("text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
-            "application/json; charset=utf-8")] //Firefox
-        [InlineData("text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
-            "application/json; charset=utf-8")] //Safari
-        [InlineData("text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
-            "application/json; charset=utf-8")] //Opera
+            "application/json; charset=utf-8")] // Firefox & Safari
         [InlineData("*/*", @"application/json; charset=utf-8")]
         [InlineData("text/html,*/*;q=0.8,application/xml;q=0.9",
             "application/json; charset=utf-8")]
@@ -570,15 +566,11 @@ namespace Microsoft.AspNet.Mvc.Core.Test.ActionResults
 
         [Theory]
         [InlineData("text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
-            "application/xml; charset=utf-8")] //Chrome
+            "application/xml; charset=utf-8")] // Chrome & Opera
         [InlineData("text/html, application/xhtml+xml, */*",
             "application/json; charset=utf-8")] //IE
         [InlineData("text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
-            "application/xml; charset=utf-8")] //Firefox
-        [InlineData("text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
-            "application/xml; charset=utf-8")] //Safari
-        [InlineData("text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
-            "application/xml; charset=utf-8")] //Opera
+            "application/xml; charset=utf-8")] // Firefox & Safari
         [InlineData("*/*",
             "application/json; charset=utf-8")]
         [InlineData("text/html,*/*;q=0.8,application/xml;q=0.9",
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/Filters/FormatFilterTest.cs b/test/Microsoft.AspNet.Mvc.Core.Test/Filters/FormatFilterTest.cs
index 51ad320cbf..04bc302e23 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/Filters/FormatFilterTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/Filters/FormatFilterTest.cs
@@ -265,8 +265,6 @@ namespace Microsoft.AspNet.Mvc
         [Theory]
         [InlineData("", FormatSource.RouteData)]
         [InlineData(null, FormatSource.QueryData)]
-        [InlineData("", FormatSource.RouteData)]
-        [InlineData(null, FormatSource.QueryData)]
         public void FormatFilter_ContextContainsFormat_Invalid(
             string format,
             FormatSource place)
diff --git a/test/Microsoft.AspNet.Mvc.TagHelpers.Test/Internal/FileVersionProviderTest.cs b/test/Microsoft.AspNet.Mvc.TagHelpers.Test/Internal/FileVersionProviderTest.cs
index e5e01826c1..53494792b3 100644
--- a/test/Microsoft.AspNet.Mvc.TagHelpers.Test/Internal/FileVersionProviderTest.cs
+++ b/test/Microsoft.AspNet.Mvc.TagHelpers.Test/Internal/FileVersionProviderTest.cs
@@ -130,7 +130,6 @@ namespace Microsoft.AspNet.Mvc.TagHelpers.Internal
         [Theory]
         [InlineData("/hello/world", "/hello/world", null)]
         [InlineData("/testApp/hello/world", "/hello/world", "/testApp")]
-        [InlineData("/hello/world", "/hello/world", null)]
         public void SetsValueInCache(string filePath, string watchPath, string requestPathBase)
         {
             // Arrange