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# eth_uninstallFilter

# `eth_uninstallFilter`

Removes a filter. Call this when you no longer need the filter to free resources on the node. Filters also expire automatically after a period of inactivity.

## Parameters

-   `filterId`: _[required]_ The filter ID to remove.

## Returns

`true` if the filter was found and removed, `false` otherwise.

## Example

### Request

```bash
curl https://rpc.linea.build \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_uninstallFilter",
    "params": ["0x10ff687202f305efab..."],
    "id": 1
  }'
```

### Response

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": true
}
```