For others who stumble upon this question, the following is available (as hinted to by yantar92, this is included in ox-extra):

Headers can take an :ignore: tag, which excludes the heading upon export while still including its contents.

To make it work, add the following to your emacs setup:

(require 'ox-extra) (ox-extras-activate '(ignore-headlines)) 

How to make this only affect LaTeX export, I don't know.

For others who stumble upon this question, the following is available. As hinted to by yantar92, this is included in ox-extra which is included in the org-plus-contrib elpa package.

Headers can take an :ignore: tag, which excludes the heading upon export while still including its contents.

To make it work, add the following to your emacs setup (having installed org-plus-contrib as described here):

(require 'ox-extra) (ox-extras-activate '(ignore-headlines)) 

How to make this only affect LaTeX export, I don't know.