# Delete a Derived Column Delete a Calculated Field (also called a Derived Column). : A Calculated Field used by a SLO, Trigger, or Board cannot be deleted without removing or modifying the SLO, Trigger, or Board first. Endpoint: DELETE /1/derived_columns/{datasetSlug}/{derivedColumnId} Version: 1.0.0 Security: configuration_key ## Path parameters: - `datasetSlug` (string, required) The dataset slug or use for endpoints that support environment-wide operations. - `derivedColumnId` (string, required) Unique identifier (ID) of a Calculated Field (also called a Derived Column). ## Response 400 fields (application/problem+json): - `error` (string, required) - `status` (number, required) The HTTP status code of the error. - `type` (string, required) Type is a URI used to uniquely identify the type of error. - `title` (string, required) Title is a human-readable summary that explains the of the problem. - `detail` (string) The general, human-readable error message. - `instance` (string) The unique identifier (ID) for this specific error. ## Response 401 fields (application/json): - `error` (string) ## Response 404 fields (application/json): - `error` (string) ## Response 409 fields (application/json): - `error` (string) ## Response 429 fields (application/json): - `error` (string)