diff --git a/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json b/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json
index 813d943a1d..c59d052b87 100644
--- a/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json
+++ b/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json
@@ -12,8 +12,7 @@
   "frameworks": {
     "dnxcore50": {
       "dependencies": {
-        "dotnet-test-xunit": "1.0.0-dev-*",
-        "System.Runtime": "4.0.21-*"
+        "dotnet-test-xunit": "1.0.0-dev-*"
       },
       "imports": "portable-net451+win8"
     },
diff --git a/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json b/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json
index 50b51e8de2..4890f97d94 100644
--- a/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json
+++ b/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json
@@ -10,8 +10,7 @@
   "frameworks": {
     "dnxcore50": {
       "dependencies": {
-        "dotnet-test-xunit": "1.0.0-dev-*",
-        "System.Runtime": "4.0.21-*"
+        "dotnet-test-xunit": "1.0.0-dev-*"
       },
       "imports": "portable-net451+win8"
     },
diff --git a/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json b/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json
index c0af6a9b47..19a40be6b1 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json
@@ -10,8 +10,7 @@
     "dnxcore50": {
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
-        "dotnet-test-xunit": "1.0.0-dev-*",
-        "System.Runtime": "4.0.21-*"
+        "dotnet-test-xunit": "1.0.0-dev-*"
       },
       "imports": "portable-net451+win8"
     },
diff --git a/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json b/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json
index eab04dbdd0..9e9837614a 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json
@@ -14,8 +14,7 @@
     "dnxcore50": {
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
-        "dotnet-test-xunit": "1.0.0-dev-*",
-        "System.Runtime": "4.0.21-*"
+        "dotnet-test-xunit": "1.0.0-dev-*"
       },
       "imports": "portable-net451+win8"
     },
diff --git a/test/Microsoft.AspNetCore.DataProtection.Test.Shared/project.json b/test/Microsoft.AspNetCore.DataProtection.Test.Shared/project.json
index 79dc1c3472..480e2a26fe 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Test.Shared/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Test.Shared/project.json
@@ -2,7 +2,6 @@
   "frameworks": {
     "dnxcore50": {
       "dependencies": {
-        "System.Runtime": "4.0.21-*",
         "dotnet-test-xunit": "1.0.0-dev-*",
         "Microsoft.NETCore.Platforms": "1.0.1-*"
       },
diff --git a/test/Microsoft.AspNetCore.DataProtection.Test/project.json b/test/Microsoft.AspNetCore.DataProtection.Test/project.json
index d952ddc84e..3bb294137b 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Test/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Test/project.json
@@ -14,8 +14,7 @@
     "dnxcore50": {
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
-        "dotnet-test-xunit": "1.0.0-dev-*",
-        "System.Runtime": "4.0.21-*"
+        "dotnet-test-xunit": "1.0.0-dev-*"
       },
       "imports": "portable-net451+win8"
     },