# 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.