From 44e7c198f478653aa330d4ae9e017e602869592a Mon Sep 17 00:00:00 2001
From: Seamus Lee <seamuslee001@gmail.com>
Date: Sat, 20 Jun 2020 20:11:47 +1000
Subject: [PATCH] [REF] Fix allowing users to clear values for raido custom
 fields when not required

---
 CRM/Core/BAO/CustomField.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CRM/Core/BAO/CustomField.php b/CRM/Core/BAO/CustomField.php
index d9fe55556f..8d21bb42f3 100644
--- a/CRM/Core/BAO/CustomField.php
+++ b/CRM/Core/BAO/CustomField.php
@@ -796,6 +796,9 @@ class CRM_Core_BAO_CustomField extends CRM_Core_DAO_CustomField {
         else {
           parse_str($field->attributes, $radioAttributes);
           $radioAttributes = array_merge($radioAttributes, $customFieldAttributes);
+          if ($search || empty($useRequired)) {
+            $radioAttributes['allowClear'] = TRUE;
+          }
           $qf->addRadio($elementName, $label, $options, $radioAttributes, NULL, $useRequired);
         }
         break;
-- 
2.25.1