diff --git a/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala b/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala
index c717e7c621a8f..619c7894aa1e0 100644
--- a/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala
+++ b/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala
@@ -333,4 +333,6 @@ private[spark] class MesosSchedulerBackend(
 
   // TODO: query Mesos for number of cores
   override def defaultParallelism() = sc.conf.getInt("spark.default.parallelism", 8)
+  
+  override def killTask(taskId: Long, executorId: String, interruptThread: Boolean) {}
 }