diff --git a/core/src/main/scala/org/apache/spark/status/api/v1/ApiRootResource.scala b/core/src/main/scala/org/apache/spark/status/api/v1/ApiRootResource.scala
index bfd9726705b5e..256555c2a3d52 100644
--- a/core/src/main/scala/org/apache/spark/status/api/v1/ApiRootResource.scala
+++ b/core/src/main/scala/org/apache/spark/status/api/v1/ApiRootResource.scala
@@ -20,12 +20,13 @@ import java.util.zip.ZipOutputStream
 import javax.servlet.ServletContext
 import javax.servlet.http.HttpServletRequest
 import javax.ws.rs._
-import javax.ws.rs.core.{Context, MediaType, Response}
+import javax.ws.rs.core.{Context, Response}
 
 import org.eclipse.jetty.server.handler.ContextHandler
 import org.eclipse.jetty.servlet.{ServletContextHandler, ServletHolder}
 import org.glassfish.jersey.server.ServerProperties
 import org.glassfish.jersey.servlet.ServletContainer
+
 import org.apache.spark.SecurityManager
 import org.apache.spark.ui.{SparkUI, UIUtils}