Title: WP_Block_Bindings_Registry::unregister
Published: April 3, 2024
Last modified: February 24, 2026

---

# WP_Block_Bindings_Registry::unregister( string $source_name ): 󠀁[WP_Block_Bindings_Source](https://developer.wordpress.org/reference/classes/wp_block_bindings_source/)󠁿|false

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#wp--skip-link--target)

Unregisters a block bindings source.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#parameters)󠁿

 `$source_name`stringrequired

Block bindings source name including namespace.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#return)󠁿

 [WP_Block_Bindings_Source](https://developer.wordpress.org/reference/classes/wp_block_bindings_source/)
|false The unregistered block bindings source on success and `false` otherwise.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#source)󠁿

    ```php
    public function unregister( string $source_name ) {
    	if ( ! $this->is_registered( $source_name ) ) {
    		_doing_it_wrong(
    			__METHOD__,
    			/* translators: %s: Block bindings source name. */
    			sprintf( __( 'Block binding "%s" not found.' ), $source_name ),
    			'6.5.0'
    		);
    		return false;
    	}

    	$unregistered_source = $this->sources[ $source_name ];
    	unset( $this->sources[ $source_name ] );

    	return $unregistered_source;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-block-bindings-registry.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/class-wp-block-bindings-registry.php#L203)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-block-bindings-registry.php#L203-L218)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#related)󠁿

| Uses | Description | 
| [WP_Block_Bindings_Registry::is_registered()](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/is_registered/)`wp-includes/class-wp-block-bindings-registry.php` |

Checks if a block bindings source is registered.

  | 
| [__()](https://developer.wordpress.org/reference/functions/__/)`wp-includes/l10n.php` |

Retrieves the translation of $text.

  | 
| [_doing_it_wrong()](https://developer.wordpress.org/reference/functions/_doing_it_wrong/)`wp-includes/functions.php` |

Marks something as being incorrectly called.

  |

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## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_block_bindings_registry/unregister/?output_format=md#changelog)󠁿

| Version | Description | 
| [6.5.0](https://developer.wordpress.org/reference/since/6.5.0/) | Introduced. |

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