WP_Block_Patterns_Registry::unregister( string $pattern_name ): bool

144	public function unregister( $pattern_name ) {145		if ( ! $this->is_registered( $pattern_name ) ) {146			_doing_it_wrong(147				__METHOD__,148				/* translators: %s: Pattern name. */149				sprintf( __( 'Pattern "%s" not found.' ), $pattern_name ),150				'5.5.0'151			);152			return false;153		}154 155		unset( $this->registered_patterns[ $pattern_name ] );156		unset( $this->registered_patterns_outside_init[ $pattern_name ] );157 158		return true;159	}