WP_Block_Type_Registry::unregister( string|WP_Block_Type $name ): WP_Block_Type|false

114	public function unregister( $name ) {115		if ( $name instanceof WP_Block_Type ) {116			$name = $name->name;117		}118 119		if ( ! $this->is_registered( $name ) ) {120			_doing_it_wrong(121				__METHOD__,122				/* translators: %s: Block name. */123				sprintf( __( 'Block type "%s" is not registered.' ), $name ),124				'5.0.0'125			);126			return false;127		}128 129		$unregistered_block_type = $this->registered_block_types[ $name ];130		unset( $this->registered_block_types[ $name ] );131 132		return $unregistered_block_type;133	}