diff --git a/core/src/main/scala/org/apache/spark/rpc/netty/NettyRpcEnv.scala b/core/src/main/scala/org/apache/spark/rpc/netty/NettyRpcEnv.scala
index a2b28c524df9c9c884e723aae8221e609e445d3d..e01cf1a29e95b873016d957223256b73112cbd6b 100644
--- a/core/src/main/scala/org/apache/spark/rpc/netty/NettyRpcEnv.scala
+++ b/core/src/main/scala/org/apache/spark/rpc/netty/NettyRpcEnv.scala
@@ -308,7 +308,7 @@ private[netty] class NettyRpcEnvFactory extends RpcEnvFactory with Logging {
   }
 }
 
-private[netty] class NettyRpcEndpointRef(@transient conf: SparkConf)
+private[netty] class NettyRpcEndpointRef(@transient private val conf: SparkConf)
   extends RpcEndpointRef(conf) with Serializable with Logging {
 
   @transient @volatile private var nettyEnv: NettyRpcEnv = _
diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala
index 4d8a3f728e6b5cebd3e679ce7927898615e09cb2..38c195bc7db0e95cae2a7364c9ddf281a8e54a41 100644
--- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala
+++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala
@@ -89,9 +89,9 @@ private[hive] case class CurrentDatabase(ctx: HiveContext)
 class HiveContext private[hive](
     sc: SparkContext,
     cacheManager: CacheManager,
-    @transient listener: SQLListener,
-    @transient execHive: ClientWrapper,
-    @transient metaHive: ClientInterface,
+    listener: SQLListener,
+    @transient private val execHive: ClientWrapper,
+    @transient private val metaHive: ClientInterface,
     isRootContext: Boolean)
   extends SQLContext(sc, cacheManager, listener, isRootContext) with Logging {
   self =>