diff --git a/core/src/main/java/org/apache/spark/shuffle/sort/BypassMergeSortShuffleWriter.java b/core/src/main/java/org/apache/spark/shuffle/sort/BypassMergeSortShuffleWriter.java
index 434286175e415..c35ab8aeaebe7 100644
--- a/core/src/main/java/org/apache/spark/shuffle/sort/BypassMergeSortShuffleWriter.java
+++ b/core/src/main/java/org/apache/spark/shuffle/sort/BypassMergeSortShuffleWriter.java
@@ -186,10 +186,6 @@ public void write(Iterator<Product2<K, V>> records) throws IOException {
       }
       throw e;
     }
-    mapStatus = MapStatus$.MODULE$.apply(
-        blockManager.shuffleServerId(),
-        DefaultMapShuffleLocations.get(blockManager.shuffleServerId()),
-        partitionLengths);
   }
 
   @VisibleForTesting