diff --git a/modules/reindex/src/internalClusterTest/java/org/elasticsearch/index/reindex/BulkByScrollUsesAllScrollDocumentsAfterConflictsIntegTests.java b/modules/reindex/src/internalClusterTest/java/org/elasticsearch/index/reindex/BulkByScrollUsesAllScrollDocumentsAfterConflictsIntegTests.java
index 04d8bae9fda2f..fc60b6373d285 100644
--- a/modules/reindex/src/internalClusterTest/java/org/elasticsearch/index/reindex/BulkByScrollUsesAllScrollDocumentsAfterConflictsIntegTests.java
+++ b/modules/reindex/src/internalClusterTest/java/org/elasticsearch/index/reindex/BulkByScrollUsesAllScrollDocumentsAfterConflictsIntegTests.java
@@ -97,6 +97,7 @@ public void setUpCluster() {
         // Use a single thread pool for writes so we can enforce a consistent ordering
         internalCluster().startDataOnlyNode(Settings.builder().put("thread_pool.write.size", 1).build());
         internalCluster().startCoordinatingOnlyNode(Settings.EMPTY);
+        ensureStableCluster(3);
     }
 
     public void testUpdateByQuery() throws Exception {
diff --git a/muted-tests.yml b/muted-tests.yml
index 980f2f3a0c0ed..b1927e224eb38 100644
--- a/muted-tests.yml
+++ b/muted-tests.yml
@@ -196,9 +196,6 @@ tests:
   issue: https://github.com/elastic/elasticsearch/issues/120482
 - class: org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateTimeToCharProcessorTests
   issue: https://github.com/elastic/elasticsearch/issues/120575
-- class: org.elasticsearch.index.reindex.BulkByScrollUsesAllScrollDocumentsAfterConflictsIntegTests
-  method: testReindex
-  issue: https://github.com/elastic/elasticsearch/issues/120605
 - class: org.elasticsearch.xpack.inference.DefaultEndPointsIT
   method: testMultipleInferencesTriggeringDownloadAndDeploy
   issue: https://github.com/elastic/elasticsearch/issues/120668