diff --git a/core/src/main/scala/spark/KryoSerializer.scala b/core/src/main/scala/spark/KryoSerializer.scala
index f24196ea49e04b3b74db9ad15ddaa12aba273843..93d7327324ed3f43a7cbf6947d2ec30c0f8d0c85 100644
--- a/core/src/main/scala/spark/KryoSerializer.scala
+++ b/core/src/main/scala/spark/KryoSerializer.scala
@@ -46,8 +46,8 @@ class KryoDeserializationStream(kryo: Kryo, inStream: InputStream) extends Deser
   }
 
   def close() {
+    // Kryo's Input automatically closes the input stream it is using.
     input.close()
-    inStream.close()
   }
 }