diff --git a/samples/CookieSample/project.json b/samples/CookieSample/project.json
index 954c366434..aa38029d98 100644
--- a/samples/CookieSample/project.json
+++ b/samples/CookieSample/project.json
@@ -14,9 +14,6 @@
   "frameworks": {
     "net451": {},
     "netcoreapp1.0": {
-      "imports": [
-        "dnxcore50"
-      ],
       "dependencies": {
         "Microsoft.NETCore.App": {
           "version": "1.0.0-*",
@@ -31,10 +28,7 @@
     ]
   },
   "tools": {
-    "Microsoft.AspNetCore.Server.IISIntegration.Tools": {
-      "version": "1.0.0-*",
-      "imports": "portable-net45+wp80+win8+wpa81+dnxcore50"
-    }
+    "Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-*"
   },
   "scripts": {
     "postpublish": "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%"
diff --git a/samples/CookieSessionSample/project.json b/samples/CookieSessionSample/project.json
index a3626218c4..fb8d16c023 100644
--- a/samples/CookieSessionSample/project.json
+++ b/samples/CookieSessionSample/project.json
@@ -15,9 +15,6 @@
   "frameworks": {
     "net451": {},
     "netcoreapp1.0": {
-      "imports": [
-        "dnxcore50"
-      ],
       "dependencies": {
         "Microsoft.NETCore.App": {
           "version": "1.0.0-*",
@@ -32,10 +29,7 @@
     ]
   },
   "tools": {
-    "Microsoft.AspNetCore.Server.IISIntegration.Tools": {
-      "version": "1.0.0-*",
-      "imports": "portable-net45+wp80+win8+wpa81+dnxcore50"
-    }
+    "Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-*"
   },
   "scripts": {
     "postpublish": "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%"
diff --git a/samples/JwtBearerSample/project.json b/samples/JwtBearerSample/project.json
index a82778a76e..5bf0a928a9 100644
--- a/samples/JwtBearerSample/project.json
+++ b/samples/JwtBearerSample/project.json
@@ -15,9 +15,6 @@
   "frameworks": {
     "net451": {},
     "netcoreapp1.0": {
-      "imports": [
-        "dnxcore50"
-      ],
       "dependencies": {
         "Microsoft.NETCore.App": {
           "version": "1.0.0-*",
@@ -35,10 +32,7 @@
   },
   "userSecretsId": "aspnet5-JwtBearerSample-20151210102827",
   "tools": {
-    "Microsoft.AspNetCore.Server.IISIntegration.Tools": {
-      "version": "1.0.0-*",
-      "imports": "portable-net45+wp80+win8+wpa81+dnxcore50"
-    }
+    "Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-*"
   },
   "scripts": {
     "postpublish": "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%"
diff --git a/samples/OpenIdConnect.AzureAdSample/project.json b/samples/OpenIdConnect.AzureAdSample/project.json
index 7727c0ba31..ff03a5584b 100644
--- a/samples/OpenIdConnect.AzureAdSample/project.json
+++ b/samples/OpenIdConnect.AzureAdSample/project.json
@@ -13,9 +13,6 @@
   "frameworks": {
     "net451": { },
     "netcoreapp1.0": {
-      "imports": [
-        "dnxcore50"
-      ],
       "dependencies": {
         "Microsoft.NETCore.App": {
           "version": "1.0.0-*",
@@ -35,10 +32,7 @@
   },
   "userSecretsId": "aspnet5-OpenIdConnectSample-20151210110318",
   "tools": {
-    "Microsoft.AspNetCore.Server.IISIntegration.Tools": {
-      "version": "1.0.0-*",
-      "imports": "portable-net45+wp80+win8+wpa81+dnxcore50"
-    }
+    "Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-*"
   },
   "scripts": {
     "postpublish": "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%"
diff --git a/samples/OpenIdConnectSample/project.json b/samples/OpenIdConnectSample/project.json
index c507160fec..7e0aa0e5f1 100644
--- a/samples/OpenIdConnectSample/project.json
+++ b/samples/OpenIdConnectSample/project.json
@@ -15,9 +15,6 @@
   "frameworks": {
     "net451": {},
     "netcoreapp1.0": {
-      "imports": [
-        "dnxcore50"
-      ],
       "dependencies": {
         "Microsoft.NETCore.App": {
           "version": "1.0.0-*",
@@ -37,10 +34,7 @@
   },
   "userSecretsId": "aspnet5-OpenIdConnectSample-20151210110318",
   "tools": {
-    "Microsoft.AspNetCore.Server.IISIntegration.Tools": {
-      "version": "1.0.0-*",
-      "imports": "portable-net45+wp80+win8+wpa81+dnxcore50"
-    }
+    "Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-*"
   },
   "scripts": {
     "postpublish": "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%"
diff --git a/samples/SocialSample/project.json b/samples/SocialSample/project.json
index fb19d3ec2a..98ff9263aa 100644
--- a/samples/SocialSample/project.json
+++ b/samples/SocialSample/project.json
@@ -21,9 +21,6 @@
   "frameworks": {
     "net451": { },
     "netcoreapp1.0": {
-      "imports": [
-        "dnxcore50"
-      ],
       "dependencies": {
         "Microsoft.NETCore.App": {
           "version": "1.0.0-*",
@@ -41,10 +38,7 @@
     ]
   },
   "tools": {
-    "Microsoft.AspNetCore.Server.IISIntegration.Tools": {
-      "version": "1.0.0-*",
-      "imports": "portable-net45+wp80+win8+wpa81+dnxcore50"
-    }
+    "Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-*"
   },
   "scripts": {
     "postpublish": "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%"
diff --git a/src/Microsoft.AspNetCore.Authentication.Facebook/project.json b/src/Microsoft.AspNetCore.Authentication.Facebook/project.json
index 27b5f34eaf..35fedfada5 100644
--- a/src/Microsoft.AspNetCore.Authentication.Facebook/project.json
+++ b/src/Microsoft.AspNetCore.Authentication.Facebook/project.json
@@ -26,9 +26,6 @@
   "frameworks": {
     "net451": {},
     "netstandard1.3": {
-      "imports": [
-        "portable-net451+win8"
-      ]
     }
   }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Authentication.Google/project.json b/src/Microsoft.AspNetCore.Authentication.Google/project.json
index 3051e5fa7d..37d91ba542 100644
--- a/src/Microsoft.AspNetCore.Authentication.Google/project.json
+++ b/src/Microsoft.AspNetCore.Authentication.Google/project.json
@@ -26,9 +26,6 @@
   "frameworks": {
     "net451": {},
     "netstandard1.3": {
-      "imports": [
-        "portable-net451+win8"
-      ]
     }
   }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Authentication.JwtBearer/project.json b/src/Microsoft.AspNetCore.Authentication.JwtBearer/project.json
index f0c04896ec..2863967e29 100644
--- a/src/Microsoft.AspNetCore.Authentication.JwtBearer/project.json
+++ b/src/Microsoft.AspNetCore.Authentication.JwtBearer/project.json
@@ -27,9 +27,6 @@
   "frameworks": {
     "net451": {},
     "netstandard1.4": {
-      "imports": [
-        "portable-net451+win8"
-      ]
     }
   }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Authentication.MicrosoftAccount/project.json b/src/Microsoft.AspNetCore.Authentication.MicrosoftAccount/project.json
index 3a7b5e03e5..81f34b7361 100644
--- a/src/Microsoft.AspNetCore.Authentication.MicrosoftAccount/project.json
+++ b/src/Microsoft.AspNetCore.Authentication.MicrosoftAccount/project.json
@@ -26,9 +26,6 @@
   "frameworks": {
     "net451": {},
     "netstandard1.3": {
-      "imports": [
-        "portable-net451+win8"
-      ]
     }
   }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Authentication.OAuth/project.json b/src/Microsoft.AspNetCore.Authentication.OAuth/project.json
index af3f17a99b..971a8d6960 100644
--- a/src/Microsoft.AspNetCore.Authentication.OAuth/project.json
+++ b/src/Microsoft.AspNetCore.Authentication.OAuth/project.json
@@ -29,10 +29,7 @@
     "netstandard1.3": {
       "dependencies": {
         "System.Runtime.Serialization.Primitives": "4.1.1-*"
-      },
-      "imports": [
-        "portable-net451+win8"
-      ]
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/project.json b/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/project.json
index 11d887e5c2..b80faf063f 100644
--- a/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/project.json
+++ b/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/project.json
@@ -27,9 +27,6 @@
   "frameworks": {
     "net451": {},
     "netstandard1.4": {
-      "imports": [
-        "portable-net451+win8"
-      ]
     }
   }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Authentication.Twitter/project.json b/src/Microsoft.AspNetCore.Authentication.Twitter/project.json
index 1789475252..7d830ad8c1 100644
--- a/src/Microsoft.AspNetCore.Authentication.Twitter/project.json
+++ b/src/Microsoft.AspNetCore.Authentication.Twitter/project.json
@@ -27,9 +27,6 @@
   "frameworks": {
     "net451": {},
     "netstandard1.3": {
-      "imports": [
-        "portable-net451+win8"
-      ]
     }
   }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Authentication/project.json b/src/Microsoft.AspNetCore.Authentication/project.json
index e5107da8fc..dc56181a71 100644
--- a/src/Microsoft.AspNetCore.Authentication/project.json
+++ b/src/Microsoft.AspNetCore.Authentication/project.json
@@ -41,10 +41,7 @@
     "netstandard1.3": {
       "dependencies": {
         "System.Net.Http": "4.1.0-*"
-      },
-      "imports": [
-        "portable-net451"
-      ]
+      }
     }
   }
 }
\ No newline at end of file