Uninstalling a payment plug-in To remove a payment plug-in from use, you can either remove references to the plug-in, or remove the payment plug-in directory from the plugins directory. ProcedureDisable the payment plug-in: Remove the plug-in name from the PaymentSystemPluginMapping XML file. Remove the payment system name from the PaymentMethodConfigurations XML file and RefundMethodConfigurations XML file. Remove the plug-in JAR file from HCL Commerce instance.ear directory: WC_eardir/plugin_name.jar Remove the plug-in_name directory and deployment descriptor file from the following location. workspace_dir/WC/xml/config/payments/ppc/plugins/plugin_name/PluginDeployment.xml