diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/SortMergeResultPartition.java b/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/SortMergeResultPartition.java
index <HASH>..<HASH> 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/SortMergeResultPartition.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/SortMergeResultPartition.java
@@ -317,7 +317,6 @@ public class SortMergeResultPartition extends ResultPartition {
 				availabilityListener,
 				resultFile);
 			readers.add(reader);
-			availabilityListener.notifyDataAvailable();
 
 			return reader;
 		}
[hotfix][network] Remove redundant data availability notification in SortMergeResultPartition

Remove redundant data availability notification in SortMergeResultPartition for FLINK-<I> has moved the notification to the requester.

This closes #<I>.