diff --git a/core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala b/core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala
index d753871d88ddb..9c072fbde2f41 100644
--- a/core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala
+++ b/core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala
@@ -33,7 +33,6 @@ import org.apache.spark.TaskState.TaskState
 import org.apache.spark.scheduler.SchedulingMode.SchedulingMode
 import org.apache.spark.util.Utils
 import org.apache.spark.executor.TaskMetrics
-import org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend
 import org.apache.spark.storage.BlockManagerId
 
 /**