Removing the EFS_INTEGRATION option - Amazon Relational Database Service
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Removing the EFS_INTEGRATION option

The steps for removing the EFS_INTEGRATION option depend on whether you're removing the option from multiple DB instances or a single instance.

Number of DB instances Action Related information
Multiple Remove the EFS_INTEGRATION option from the option group to which the DB instances belong. This change affects all instances that use the option group. Removing an option from an option group
Single Modify the DB instance and specify a different option group that doesn't include the EFS_INTEGRATION option. You can specify the default (empty) option group or a different custom option group. Modifying an Amazon RDS DB instance

After you remove the EFS_INTEGRATION option, you can optionally delete the EFS file system that was connected to your DB instances.