diff --git a/server/src/main/java/org/opensearch/search/aggregations/bucket/BucketsAggregator.java b/server/src/main/java/org/opensearch/search/aggregations/bucket/BucketsAggregator.java
index eef427754f535..5420d8c7f6dbf 100644
--- a/server/src/main/java/org/opensearch/search/aggregations/bucket/BucketsAggregator.java
+++ b/server/src/main/java/org/opensearch/search/aggregations/bucket/BucketsAggregator.java
@@ -221,10 +221,6 @@ protected final InternalAggregations[] buildSubAggsForBuckets(long[] bucketOrdsT
         }
         InternalAggregations[] result = new InternalAggregations[bucketOrdsToCollect.length];
         for (int ord = 0; ord < bucketOrdsToCollect.length; ord++) {
-            InternalAggregation[] slice = new InternalAggregation[subAggregators.length];
-            for (int i = 0; i < subAggregators.length; i++) {
-                slice[i] = aggregations[i][ord];
-            }
             final int thisOrd = ord;
             result[ord] = InternalAggregations.from(new AbstractList<InternalAggregation>() {
                 @Override