diff --git a/x-pack/qa/rolling-upgrade/src/test/java/org/elasticsearch/upgrades/DataStreamsUpgradeIT.java b/x-pack/qa/rolling-upgrade/src/test/java/org/elasticsearch/upgrades/DataStreamsUpgradeIT.java
index 9016f594b5b47..8a05eff36481e 100644
--- a/x-pack/qa/rolling-upgrade/src/test/java/org/elasticsearch/upgrades/DataStreamsUpgradeIT.java
+++ b/x-pack/qa/rolling-upgrade/src/test/java/org/elasticsearch/upgrades/DataStreamsUpgradeIT.java
@@ -566,9 +566,6 @@ private void upgradeDataStream(String dataStreamName, int numRolloversOnOldClust
             if (randomBoolean()) {
                 closeIndex(oldIndexName);
             }
-            if (randomBoolean()) {
-                assertOK(client().performRequest(new Request("PUT", oldIndexName + "/_block/read_only")));
-            }
         }
         Request reindexRequest = new Request("POST", "/_migration/reindex");
         reindexRequest.setJsonEntity(Strings.format("""