diff --git a/src/Microsoft.Dnx.Watcher.Core/project.json b/src/Microsoft.Dnx.Watcher.Core/project.json
index e88a593bb6..f723d1341c 100644
--- a/src/Microsoft.Dnx.Watcher.Core/project.json
+++ b/src/Microsoft.Dnx.Watcher.Core/project.json
@@ -27,7 +27,6 @@
       "dependencies": {
         "System.Diagnostics.Process": "4.1.0-*",
         "System.Linq": "4.0.1-*",
-        "System.Runtime.Extensions": "4.0.11-*",
         "System.Threading.Thread": "4.0.0-*"
       }
     }