How to delete/remove an existing weblogic domain

To remove the domain named "base_domain" , do the following steps:

Stop the processes associated with the domain.

Remove the relevant domain entry from the "$MW_HOME/domain-registry.xml" file.

<?xml version="1.0" encoding="UTF-8"?>
<domain-registry xmlns="http://xmlns.oracle.com/weblogic/domain-registry">
  <domain location="/u01/app/oracle/middleware/user_projects/domains/base_domain"/>
</domain-registry>

Remove the relevant domain entry from the "$WLS_HOME/common/nodemanager/nodemanager.domains" file.

#Domains and directories created by Configuration Wizard
base_domain=/u01/app/oracle/middleware/user_projects/domains/base_domain

Delete the "base_domain" application and domain directories.
$ rm -Rf $MW_HOME/user_projects/applications/base_domain
$ rm -Rf $MW_HOME/user_projects/domains/base_domain