diff --git a/server/src/test/java/org/elasticsearch/discovery/DiscoveryDisruptionIT.java b/server/src/test/java/org/elasticsearch/discovery/DiscoveryDisruptionIT.java
index 344c5567a86..f6882912378 100644
--- a/server/src/test/java/org/elasticsearch/discovery/DiscoveryDisruptionIT.java
+++ b/server/src/test/java/org/elasticsearch/discovery/DiscoveryDisruptionIT.java
@@ -53,7 +53,6 @@ import java.util.concurrent.CountDownLatch;
 
 import static org.elasticsearch.cluster.metadata.IndexMetaData.INDEX_NUMBER_OF_REPLICAS_SETTING;
 import static org.elasticsearch.cluster.metadata.IndexMetaData.INDEX_NUMBER_OF_SHARDS_SETTING;
-import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
 import static org.hamcrest.Matchers.greaterThanOrEqualTo;
 
 /**
@@ -256,8 +255,8 @@ public class DiscoveryDisruptionIT extends AbstractDisruptionTestCase {
         internalCluster().setDisruptionScheme(isolatePreferredMaster);
         isolatePreferredMaster.startDisrupting();
 
-        assertAcked(client(randomFrom(nonPreferredNodes)).admin().indices().prepareCreate("test").setSettings(
-            Settings.builder().put(INDEX_NUMBER_OF_SHARDS_SETTING.getKey(), 1).put(INDEX_NUMBER_OF_REPLICAS_SETTING.getKey(), 0)));
+        client(randomFrom(nonPreferredNodes)).admin().indices().prepareCreate("test").setSettings(
+            Settings.builder().put(INDEX_NUMBER_OF_SHARDS_SETTING.getKey(), 1).put(INDEX_NUMBER_OF_REPLICAS_SETTING.getKey(), 0)).get();
 
         internalCluster().clearDisruptionScheme(false);
         internalCluster().setDisruptionScheme(isolateAllNodes);