diff --git a/core/src/main/scala/org/apache/spark/util/JsonProtocol.scala b/core/src/main/scala/org/apache/spark/util/JsonProtocol.scala
index 414bc49a57f8a..8e0e41ad3782e 100644
--- a/core/src/main/scala/org/apache/spark/util/JsonProtocol.scala
+++ b/core/src/main/scala/org/apache/spark/util/JsonProtocol.scala
@@ -32,7 +32,6 @@ import org.apache.spark.executor._
 import org.apache.spark.scheduler._
 import org.apache.spark.storage._
 import org.apache.spark._
-import org.apache.hadoop.hdfs.web.JsonUtil
 
 /**
  * Serializes SparkListener events to/from JSON.  This protocol provides strong backwards-