diff --git a/src/Microsoft.AspNet.Buffering/project.json b/src/Microsoft.AspNet.Buffering/project.json
index 6bc54431a3..7d1964e378 100644
--- a/src/Microsoft.AspNet.Buffering/project.json
+++ b/src/Microsoft.AspNet.Buffering/project.json
@@ -13,9 +13,7 @@
     "Microsoft.AspNet.Http.Abstractions": "1.0.0-*"
   },
   "frameworks": {
-    "net451": {},
-    "dotnet5.4": {
-      "dependencies": {}
-    }
+    "net451": { },
+    "dotnet5.4": { }
   }
 }
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.HttpOverrides/project.json b/src/Microsoft.AspNet.HttpOverrides/project.json
index 860acdb1b0..93c184ad7a 100644
--- a/src/Microsoft.AspNet.HttpOverrides/project.json
+++ b/src/Microsoft.AspNet.HttpOverrides/project.json
@@ -13,13 +13,7 @@
     "Microsoft.AspNet.Http.Extensions": "1.0.0-*"
   },
   "frameworks": {
-    "net451": {},
-    "dotnet5.4": {
-      "dependencies": {
-        "System.Collections": "4.0.10-*",
-        "System.Linq": "4.0.0-*",
-        "System.Threading": "4.0.10-*"
-      }
-    }
+    "net451": { },
+    "dotnet5.4": { }
   }
 }
\ No newline at end of file
diff --git a/test/Microsoft.AspNet.Buffering.Tests/project.json b/test/Microsoft.AspNet.Buffering.Tests/project.json
index 516bc624f1..3b87e6bb8a 100644
--- a/test/Microsoft.AspNet.Buffering.Tests/project.json
+++ b/test/Microsoft.AspNet.Buffering.Tests/project.json
@@ -1,5 +1,8 @@
 {
   "version": "1.0.0-*",
+  "compilationOptions": {
+    "warningsAsErrors": true
+  },
   "dependencies": {
     "Microsoft.AspNet.Buffering": "1.0.0-*",
     "Microsoft.AspNet.TestHost": "1.0.0-*",
@@ -11,12 +14,6 @@
 
   "frameworks": {
     "dnx451": { },
-    "dnxcore50": {
-      "dependencies": {
-        "System.Collections": "4.0.10-*",
-        "System.Linq": "4.0.0-*",
-        "System.Threading": "4.0.10-*"
-      }
-    }
+    "dnxcore50": {}
   }
 }
diff --git a/test/Microsoft.AspNet.HttpOverrides.Tests/project.json b/test/Microsoft.AspNet.HttpOverrides.Tests/project.json
index e33d3add90..6aa7d8aac9 100644
--- a/test/Microsoft.AspNet.HttpOverrides.Tests/project.json
+++ b/test/Microsoft.AspNet.HttpOverrides.Tests/project.json
@@ -1,5 +1,8 @@
 {
   "version": "1.0.0-*",
+  "compilationOptions": {
+    "warningsAsErrors": true
+  },
   "dependencies": {
     "Microsoft.AspNet.HttpOverrides": "1.0.0-*",
     "Microsoft.AspNet.TestHost": "1.0.0-*",