diff --git a/src/csharp/Grpc.Auth/project.json b/src/csharp/Grpc.Auth/project.json
index 19691cf9fa1..595e29f50af 100644
--- a/src/csharp/Grpc.Auth/project.json
+++ b/src/csharp/Grpc.Auth/project.json
@@ -28,13 +28,8 @@
   "frameworks": {
     "net45": { },
     "netstandard1.5": {
-      "imports": [
-        "portable-net45"
-      ],
       "dependencies": {
-        "Microsoft.NETCore.Portable.Compatibility": "1.0.1",
-        "NETStandard.Library": "1.6.0",
-        "System.Threading.Tasks": "4.0.11"
+        "NETStandard.Library": "1.6.0"
       }
     }
   }
diff --git a/src/csharp/Grpc.Core/project.json b/src/csharp/Grpc.Core/project.json
index 4e996562730..938db0ffc77 100644
--- a/src/csharp/Grpc.Core/project.json
+++ b/src/csharp/Grpc.Core/project.json
@@ -36,9 +36,6 @@
   "frameworks": {
     "net45": { },
     "netstandard1.5": {
-      "imports": [
-        "portable-net45"
-      ],
       "dependencies": {
         "NETStandard.Library": "1.6.0",
         "System.Threading.Thread": "4.0.0"
diff --git a/src/csharp/Grpc.Examples.MathClient/project.json b/src/csharp/Grpc.Examples.MathClient/project.json
index ad319478ab0..c0725a1468d 100644
--- a/src/csharp/Grpc.Examples.MathClient/project.json
+++ b/src/csharp/Grpc.Examples.MathClient/project.json
@@ -56,9 +56,6 @@
   "frameworks": {
     "net45": { },
     "netcoreapp1.0": {
-      "imports": [
-        "portable-net45"
-      ],
       "dependencies": {
         "Microsoft.NETCore.App": "1.0.0",
         "NETStandard.Library": "1.6.0"
diff --git a/src/csharp/Grpc.Examples.MathServer/project.json b/src/csharp/Grpc.Examples.MathServer/project.json
index ad319478ab0..c0725a1468d 100644
--- a/src/csharp/Grpc.Examples.MathServer/project.json
+++ b/src/csharp/Grpc.Examples.MathServer/project.json
@@ -56,9 +56,6 @@
   "frameworks": {
     "net45": { },
     "netcoreapp1.0": {
-      "imports": [
-        "portable-net45"
-      ],
       "dependencies": {
         "Microsoft.NETCore.App": "1.0.0",
         "NETStandard.Library": "1.6.0"
diff --git a/src/csharp/Grpc.Examples/project.json b/src/csharp/Grpc.Examples/project.json
index 76236d6b3dc..ce0cfa860dc 100644
--- a/src/csharp/Grpc.Examples/project.json
+++ b/src/csharp/Grpc.Examples/project.json
@@ -21,9 +21,6 @@
       }
     },
     "netcoreapp1.0": {
-      "imports": [
-        "portable-net45"
-      ],
       "dependencies": {
         "Microsoft.NETCore.App": "1.0.0",
         "NETStandard.Library": "1.6.0"
diff --git a/src/csharp/Grpc.HealthCheck/project.json b/src/csharp/Grpc.HealthCheck/project.json
index 75aa5135bfb..9d631229d8e 100644
--- a/src/csharp/Grpc.HealthCheck/project.json
+++ b/src/csharp/Grpc.HealthCheck/project.json
@@ -33,9 +33,6 @@
       }
     },
     "netstandard1.5": {
-      "imports": [
-        "portable-net45"
-      ],
       "dependencies": {
         "NETStandard.Library": "1.6.0"
       }
diff --git a/templates/src/csharp/Grpc.Auth/project.json.template b/templates/src/csharp/Grpc.Auth/project.json.template
index 39b201ffb18..939a0c8d280 100644
--- a/templates/src/csharp/Grpc.Auth/project.json.template
+++ b/templates/src/csharp/Grpc.Auth/project.json.template
@@ -30,13 +30,8 @@
     "frameworks": {
       "net45": { },
       "netstandard1.5": {
-        "imports": [
-          "portable-net45"
-        ],
         "dependencies": {
-          "Microsoft.NETCore.Portable.Compatibility": "1.0.1",
-          "NETStandard.Library": "1.6.0",
-          "System.Threading.Tasks": "4.0.11"
+          "NETStandard.Library": "1.6.0"
         }
       }
     }
diff --git a/templates/src/csharp/Grpc.Core/project.json.template b/templates/src/csharp/Grpc.Core/project.json.template
index e6f8290200e..ed5d6499365 100644
--- a/templates/src/csharp/Grpc.Core/project.json.template
+++ b/templates/src/csharp/Grpc.Core/project.json.template
@@ -38,9 +38,6 @@
     "frameworks": {
       "net45": { },
       "netstandard1.5": {
-        "imports": [
-          "portable-net45"
-        ],
         "dependencies": {
           "NETStandard.Library": "1.6.0",
           "System.Threading.Thread": "4.0.0"
diff --git a/templates/src/csharp/Grpc.Examples.MathClient/project.json.template b/templates/src/csharp/Grpc.Examples.MathClient/project.json.template
index 67151dbcfa8..f0fc4b97da7 100644
--- a/templates/src/csharp/Grpc.Examples.MathClient/project.json.template
+++ b/templates/src/csharp/Grpc.Examples.MathClient/project.json.template
@@ -10,9 +10,6 @@
     "frameworks": {
       "net45": { },
       "netcoreapp1.0": {
-        "imports": [
-          "portable-net45"
-        ],
         "dependencies": {
           "Microsoft.NETCore.App": "1.0.0",
           "NETStandard.Library": "1.6.0"
diff --git a/templates/src/csharp/Grpc.Examples.MathServer/project.json.template b/templates/src/csharp/Grpc.Examples.MathServer/project.json.template
index 67151dbcfa8..f0fc4b97da7 100644
--- a/templates/src/csharp/Grpc.Examples.MathServer/project.json.template
+++ b/templates/src/csharp/Grpc.Examples.MathServer/project.json.template
@@ -10,9 +10,6 @@
     "frameworks": {
       "net45": { },
       "netcoreapp1.0": {
-        "imports": [
-          "portable-net45"
-        ],
         "dependencies": {
           "Microsoft.NETCore.App": "1.0.0",
           "NETStandard.Library": "1.6.0"
diff --git a/templates/src/csharp/Grpc.Examples/project.json.template b/templates/src/csharp/Grpc.Examples/project.json.template
index ac532fa914e..1e79c717101 100644
--- a/templates/src/csharp/Grpc.Examples/project.json.template
+++ b/templates/src/csharp/Grpc.Examples/project.json.template
@@ -16,9 +16,6 @@
         }
       },
       "netcoreapp1.0": {
-        "imports": [
-          "portable-net45"
-        ],
         "dependencies": {
           "Microsoft.NETCore.App": "1.0.0",
           "NETStandard.Library": "1.6.0"
diff --git a/templates/src/csharp/Grpc.HealthCheck/project.json.template b/templates/src/csharp/Grpc.HealthCheck/project.json.template
index 2bd8481d4ac..46307dda002 100644
--- a/templates/src/csharp/Grpc.HealthCheck/project.json.template
+++ b/templates/src/csharp/Grpc.HealthCheck/project.json.template
@@ -35,9 +35,6 @@
         }
       },
       "netstandard1.5": {
-        "imports": [
-          "portable-net45"
-        ],
         "dependencies": {
           "NETStandard.Library": "1.6.0"
         }