# dataset.deleteItem()

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

Deletes a single item from the dataset by ID.

## 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.deleteItem({ itemId: 'item-id' })
```

## Parameters

**itemId** (`string`): ID of the item to delete.

## Returns

**result** (`Promise<void>`): Resolves when the item is deleted.