diff --git a/src/Microsoft.AspNetCore.Mvc.Razor.Precompilation.Tools/project.json b/src/Microsoft.AspNetCore.Mvc.Razor.Precompilation.Tools/project.json
index 333b2f9356..214acbf9b5 100644
--- a/src/Microsoft.AspNetCore.Mvc.Razor.Precompilation.Tools/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.Razor.Precompilation.Tools/project.json
@@ -45,7 +45,6 @@
         },
         "System.Runtime.Serialization.Primitives": "4.3.0-*"
       }
-    },
-    "net451": {}
+    }
   }
 }
\ No newline at end of file