From 186e835db0d5a2df20a3b84c1ae10d3679669c20 Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Thu, 20 Jan 2022 15:04:02 -0500
Subject: [PATCH] Remove useless function

---
 CRM/Report/Form/Contribute/Repeat.php |  2 +-
 CRM/Utils/Date.php                    | 12 ------------
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/CRM/Report/Form/Contribute/Repeat.php b/CRM/Report/Form/Contribute/Repeat.php
index 812bb5c1e0..79d0e8fc10 100644
--- a/CRM/Report/Form/Contribute/Repeat.php
+++ b/CRM/Report/Form/Contribute/Repeat.php
@@ -602,7 +602,7 @@ LEFT JOIN $this->tempTableRepeat2 {$this->_aliases['civicrm_contribution']}2
 
     foreach ($checkDate as $date_range => $range_data) {
       foreach ($range_data as $key => $value) {
-        if (CRM_Utils_Date::isDate($value)) {
+        if (!CRM_Utils_System::isNull($value)) {
           $errorCount[$date_range][$key]['valid'] = 'true';
           $errorCount[$date_range][$key]['is_empty'] = 'false';
         }
diff --git a/CRM/Utils/Date.php b/CRM/Utils/Date.php
index 318dfa996c..12b2e64d51 100644
--- a/CRM/Utils/Date.php
+++ b/CRM/Utils/Date.php
@@ -714,18 +714,6 @@ class CRM_Utils_Date {
     return FALSE;
   }
 
-  /**
-   * @param $date
-   *
-   * @return bool
-   */
-  public static function isDate(&$date) {
-    if (CRM_Utils_System::isNull($date)) {
-      return FALSE;
-    }
-    return TRUE;
-  }
-
   /**
    * Translate a TTL to a concrete expiration time.
    *
-- 
2.25.1