WP_Icon_Collections_Registry::unregister( string $collection_slug ): bool

146	public function unregister( $collection_slug ) {147		if ( ! $this->is_registered( $collection_slug ) ) {148			_doing_it_wrong(149				__METHOD__,150				sprintf(151					/* translators: %s: Icon collection slug. */152					__( 'Icon collection "%s" not found.' ),153					$collection_slug154				),155				'7.1.0'156			);157			return false;158		}159 160		$icons_registry = WP_Icons_Registry::get_instance();161		foreach ( $icons_registry->get_registered_icons() as $icon ) {162			if ( isset( $icon['collection'] ) && $icon['collection'] === $collection_slug ) {163				$icons_registry->unregister( $icon['name'] );164			}165		}166 167		unset( $this->registered_collections[ $collection_slug ] );168 169		return true;170	}