diff --git a/core/src/main/scala/spark/scheduler/cluster/TaskSetManager.scala b/core/src/main/scala/spark/scheduler/cluster/TaskSetManager.scala
index 584cfdff45a1d0dafab96c93f6723e34ad40bc2e..3dabdd76b1aa55404ef660199d05e5e699775038 100644
--- a/core/src/main/scala/spark/scheduler/cluster/TaskSetManager.scala
+++ b/core/src/main/scala/spark/scheduler/cluster/TaskSetManager.scala
@@ -43,7 +43,6 @@ private[spark] class TaskSetManager(sched: ClusterScheduler, val taskSet: TaskSe
   val numFailures = new Array[Int](numTasks)
   val taskAttempts = Array.fill[List[TaskInfo]](numTasks)(Nil)
   var tasksFinished = 0
-  val creationTime = System.currentTimeMillis
 
   // Last time when we launched a preferred task (for delay scheduling)
   var lastPreferredLaunchTime = System.currentTimeMillis