Edit File: excerpt-header.php
<?php /** * Displays the post header * * @package WordPress * @subpackage Twenty_Twenty_One * @since Twenty Twenty-One 1.0 */ // Don't show the title if the post-format is `aside` or `status`. $post_format = get_post_format(); if ( 'aside' === $post_format || 'status' === $post_format ) { return; } ?> <header class="entry-header"> <?php the_title( sprintf( '<h2 class="entry-title default-max-width"><a href="%s">', esc_url( get_permalink() ) ), '</a></h2>' ); twenty_twenty_one_post_thumbnail(); ?> </header><!-- .entry-header -->