diff --git a/test/Microsoft.AspNetCore.Html.Abstractions.Test/project.json b/test/Microsoft.AspNetCore.Html.Abstractions.Test/project.json
index 2d2e1345d4..f27a4cd094 100644
--- a/test/Microsoft.AspNetCore.Html.Abstractions.Test/project.json
+++ b/test/Microsoft.AspNetCore.Html.Abstractions.Test/project.json
@@ -22,7 +22,6 @@
     },
     "dnxcore50": {
       "dependencies": {
-        "System.Runtime": "4.0.21-*",
         "xunit.runner.aspnet": "2.0.0-aspnet-*"
       },
       "imports": "portable-net451+win8"