diff --git a/core/src/main/scala/spark/deploy/master/MasterWebUI.scala b/core/src/main/scala/spark/deploy/master/MasterWebUI.scala
index a96b55d6f32ca2f9773f5f74a94641afb689f1f8..580014ef3f495621c033a8656480da80caf7f6e8 100644
--- a/core/src/main/scala/spark/deploy/master/MasterWebUI.scala
+++ b/core/src/main/scala/spark/deploy/master/MasterWebUI.scala
@@ -8,11 +8,12 @@ import akka.util.duration._
 import cc.spray.Directives
 import cc.spray.directives._
 import cc.spray.typeconversion.TwirlSupport._
-import spark.deploy._
 import cc.spray.http.MediaTypes
-import JsonProtocol._
 import cc.spray.typeconversion.SprayJsonSupport._
 
+import spark.deploy._
+import spark.deploy.JsonProtocol._
+
 private[spark]
 class MasterWebUI(val actorSystem: ActorSystem, master: ActorRef) extends Directives {
   val RESOURCE_DIR = "spark/deploy/master/webui"
diff --git a/core/src/main/scala/spark/deploy/worker/WorkerWebUI.scala b/core/src/main/scala/spark/deploy/worker/WorkerWebUI.scala
index 84b6c16bd6279694bdb389f08383139608d98786..f9489d99fc13fe2e70a9cda105fd22ce9fa6e3b4 100644
--- a/core/src/main/scala/spark/deploy/worker/WorkerWebUI.scala
+++ b/core/src/main/scala/spark/deploy/worker/WorkerWebUI.scala
@@ -7,11 +7,12 @@ import akka.util.Timeout
 import akka.util.duration._
 import cc.spray.Directives
 import cc.spray.typeconversion.TwirlSupport._
-import spark.deploy.{JsonProtocol, WorkerState, RequestWorkerState}
 import cc.spray.http.MediaTypes
-import JsonProtocol._
 import cc.spray.typeconversion.SprayJsonSupport._
 
+import spark.deploy.{WorkerState, RequestWorkerState}
+import spark.deploy.JsonProtocol._
+
 private[spark]
 class WorkerWebUI(val actorSystem: ActorSystem, worker: ActorRef) extends Directives {
   val RESOURCE_DIR = "spark/deploy/worker/webui"