--- sidebar_label: CommonEventEmitter.off --- # CommonEventEmitter.off() method #### Signature: ```typescript interface CommonEventEmitter { off<Key extends keyof Events>( type: Key, handler?: Handler<Events[Key]> ): this; } ``` ## Parameters | Parameter | Type | Description | | --------- | ------------------------------------------------------ | ------------ | | type | Key | | | handler | [Handler](./puppeteer.handler.md)<Events\[Key\]> | _(Optional)_ | **Returns:** this