From 6233ba43e2b5b5abce319ba5bdc3f0cd3ba61e1d Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Fri, 24 May 2019 14:27:23 -0400
Subject: [PATCH] Skip adding default api wrappers to v4 actions

---
 Civi/API/Subscriber/WrapperAdapter.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Civi/API/Subscriber/WrapperAdapter.php b/Civi/API/Subscriber/WrapperAdapter.php
index 736aa548bd..f2c3b5f989 100644
--- a/Civi/API/Subscriber/WrapperAdapter.php
+++ b/Civi/API/Subscriber/WrapperAdapter.php
@@ -97,8 +97,8 @@ class WrapperAdapter implements EventSubscriberInterface {
    * @return array<\API_Wrapper>
    */
   public function getWrappers($apiRequest) {
-    if (!isset($apiRequest['wrappers'])) {
-      $apiRequest['wrappers'] = $this->defaults;
+    if (!isset($apiRequest['wrappers']) || is_null($apiRequest['wrappers'])) {
+      $apiRequest['wrappers'] = $apiRequest['version'] < 4 ? $this->defaults : [];
       \CRM_Utils_Hook::apiWrappers($apiRequest['wrappers'], $apiRequest);
     }
     return $apiRequest['wrappers'];
-- 
2.25.1