diff --git a/src/Elasticsearch/Endpoints/Ml/PostData.php b/src/Elasticsearch/Endpoints/Ml/PostData.php
index c97429ad1..1aae62464 100644
--- a/src/Elasticsearch/Endpoints/Ml/PostData.php
+++ b/src/Elasticsearch/Endpoints/Ml/PostData.php
@@ -89,5 +89,4 @@ public function setJobId($job_id): PostData
 
         return $this;
     }
-
 }
diff --git a/src/Elasticsearch/Namespaces/BooleanRequestWrapper.php b/src/Elasticsearch/Namespaces/BooleanRequestWrapper.php
index 856dcf2a2..8f9e6ebc3 100644
--- a/src/Elasticsearch/Namespaces/BooleanRequestWrapper.php
+++ b/src/Elasticsearch/Namespaces/BooleanRequestWrapper.php
@@ -24,7 +24,7 @@
 use Elasticsearch\Transport;
 use GuzzleHttp\Ring\Future\FutureArrayInterface;
 
-trait BooleanRequestWrapper
+abstract class BooleanRequestWrapper
 {
     /**
      * Perform Request