diff --git a/vendor/magento/module-customer/Model/Metadata/Form/AbstractData.php b/vendor/magento/module-customer/Model/Metadata/Form/AbstractData.php
--- a/vendor/magento/module-customer/Model/Metadata/Form/AbstractData.php	
+++ b/vendor/magento/module-customer/Model/Metadata/Form/AbstractData.php	(date 1665599448011)
@@ -208,9 +208,6 @@
     protected function _getFormFilter()
     {
         $filterCode = $this->getAttribute()->getInputFilter();
-        if (!$filterCode) {
-            $filterCode = $this->assignFilter();
-        }
         if ($filterCode) {
             $filterClass = 'Magento\Framework\Data\Form\Filter\\' . ucfirst($filterCode);
             if ($filterCode == 'date') {