.single-post .portfolio.no-img .section-post-header .single-photo-wrapper .image_frame, .single-post .format-image.no-img .section-post-header .single-photo-wrapper .image_frame, .single-post .format-standard.no-img .section-post-header .single-photo-wrapper .image_frame { display: none !important;}
Comments
Edit the post and scroll to the page options where you will find the option to hide the featured image.
http://prntscr.com/fjm148
thanks
You could use this custom css, try it: