diff --git a/iceberg/iceberg-rest-server/src/test/java/org/apache/gravitino/iceberg/integration/test/IcebergRESTServiceIT.java b/iceberg/iceberg-rest-server/src/test/java/org/apache/gravitino/iceberg/integration/test/IcebergRESTServiceIT.java
index e6f90aac88c..bd8f0c74694 100644
--- a/iceberg/iceberg-rest-server/src/test/java/org/apache/gravitino/iceberg/integration/test/IcebergRESTServiceIT.java
+++ b/iceberg/iceberg-rest-server/src/test/java/org/apache/gravitino/iceberg/integration/test/IcebergRESTServiceIT.java
@@ -65,7 +65,7 @@ private void purgeTable(String namespace, String table) {
 
   private void purgeNameSpace(String namespace) {
     Set<String> tables = convertToStringSet(sql("SHOW TABLES IN " + namespace), 1);
-    tables.stream().forEach(table -> purgeTable(namespace, table));
+    tables.forEach(table -> purgeTable(namespace, table));
     sql("DROP database " + namespace);
   }