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# dataset.deleteExperiment()

**Added in:** `@mastra/core@1.4.0`

Deletes an experiment (run) by ID, including all associated results.

## Usage example

```typescript
import { Mastra } from '@mastra/core'

const mastra = new Mastra({
  /* storage config */
})

const dataset = await mastra.datasets.get({ id: 'dataset-id' })

await dataset.deleteExperiment({ experimentId: 'exp-id' })
```

## Parameters

**experimentId** (`string`): ID of the experiment to delete.

## Returns

**result** (`Promise<void>`): Resolves when the experiment and its results are deleted.