I recently moved my site to https, by installing a SSL-certificate on the server and updating the site address and site home in the wp-admin to use https.
Due to some errors my client is experiencing with https, I would like to switch back. I have edited the values in the wp-admin, to be without https. I have also followed several options described in: https://codex.wordpress.org/Changing_The_Site_URL
However, nothing seems to work. I am not sure what is going wrong. It seems that internally Wordpress is redirecting all url's to https, although the site_url is changed.
I have also cleared my .htaccess file, but this also does not seem to be the problem. Any help much appreciated.