Remove specific null field from source XML payload via XSLT or Groovy

Hello Experts,

We need to remove specific null fields from source Xml through XSLT code before message mapping.

For example,

if <BankDetails__c><BankDetails__c/> and <Contacts__c><Contacts__c/> fields, then remove these BankDetails__c and Contacts__c fields in source payload and pass remaining fields.

Below is the sample payload:

<?xml version="1.0" encoding="UTF-8"?> <snotification> <data> <schema>jk6ABmagsb8NCfdjbn</schema> <payload> <ACC_KUNNR__c>20795777</ACC_KUNNR__c> <SAI_WBRSL__c/> <ACC_ZZ_PNUMBER__c/> <BankDetails__c><BankDetails__c/> <Contacts__c><Contacts__c/> <CreditInfomation__c>12345</CreditInfomation__c> </payload> </data> </snotification>

Please help me out.