diff --git a/composer.json b/composer.json
index dfbacef63d21f9cd4dd3b268cb563306a5b62ff1..b2fa7e38b42bf1466a3468455ca876f06c8c78ee 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "5.1-dev"
+            "dev-master": "5.0-dev"
         }
     }
 }
diff --git a/src/Search.php b/src/Search.php
index 4a0b7f003bd6b5ca82e1b5db9fa50a7846c33672..4a4f68672e0edc01011396c75f9165ec719f45e1 100644
--- a/src/Search.php
+++ b/src/Search.php
@@ -201,28 +201,6 @@ class Search
 
         return $this;
     }
-    
-    /**
-     * Adds multiple queries to the search.
-     *
-     * @param Array     $query
-     * @param string    $boolType
-     * @param string    $key
-     *
-     * @return $this
-     */
-    public function addQueries(Array $queries)
-    {
-        foreach ($queries as $query) {
-            if (is_array($query)) {
-                $this->addQuery(...$query);    
-            } else {
-                $this->addQuery($query);
-            }
-        }
-
-        return $this;
-    }    
 
     /**
      * Returns endpoint instance.