diff --git a/core/src/main/scala/org/apache/spark/ui/exec/ExecutorsPage.scala b/core/src/main/scala/org/apache/spark/ui/exec/ExecutorsPage.scala
index 02df4e8fe61afcf0ac198e691b17299c6218282a..b0e3bb3b552fddb31f3785900e93ae2d7a6ea806 100644
--- a/core/src/main/scala/org/apache/spark/ui/exec/ExecutorsPage.scala
+++ b/core/src/main/scala/org/apache/spark/ui/exec/ExecutorsPage.scala
@@ -21,7 +21,6 @@ import javax.servlet.http.HttpServletRequest
 
 import scala.xml.Node
 
-import org.apache.spark.storage.StorageLevel
 import org.apache.spark.ui.{ToolTips, UIUtils, WebUIPage}
 import org.apache.spark.util.Utils
 
diff --git a/core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala b/core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala
index f7f918fd521a9a5e5bceda0f35f7ff38d08b204e..eaeb861f59e5a38ee58b3f57d6da22b8dd864198 100644
--- a/core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala
+++ b/core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala
@@ -17,7 +17,7 @@
 
 package org.apache.spark.ui.jobs
 
-import scala.collection.mutable.{HashMap, ListBuffer, Map}
+import scala.collection.mutable.{HashMap, ListBuffer}
 
 import org.apache.spark._
 import org.apache.spark.annotation.DeveloperApi