Unless otherwise indicated, the code snippets you see below should be placed into your theme’s functions.php file.
Here is the code needed to remove the post image from archive pages in Genesis HTML5 (recent) themes:
Note: If you are using Genesis 3.1.0+, use the genesis-singular-images snippet instead.
<?php //* Do NOT include the opening php tag shown above. Copy the code shown below. //* Remove the post image (requires HTML5 theme support) remove_action( 'genesis_entry_content', 'genesis_do_post_image', 8 );