# Delete a Relational Dataset Definition `DeleteRelationalDatasetDefinition` `DELETE /api/relationaldatasetdefinitions/{scope}/{code}` - [OpenAPI fragment](https://www.lusid.com/docs/api/lusid/endpoints/relational-dataset-definition/DeleteRelationalDatasetDefinition.json) - [Rendered page](https://www.lusid.com/docs/api/lusid/endpoints/relational-dataset-definition/DeleteRelationalDatasetDefinition) Delete a relational dataset definition. WARNING! This operation is irreversible. Deleting a relational dataset definition will also delete all associated data points. ## Referenced schemas - [DeletedEntityResponse](https://www.lusid.com/docs/api/lusid/schemas/DeletedEntityResponse.txt) [< Relational Dataset Definition](https://www.lusid.com/docs/api/lusid/endpoints/relational-dataset-definition/llms.txt)