how to remove the preview text in the Blog list.

Could anyone help me please with an easy way to stop the short preview text appearing under each blog titel on the blog page.

I know here is the function: ../mod/blog/lib/blog.php

and here is the call for that list: ../mod/blog/views/default/resources/blog/all.php

but I can't figure out how to suppress the text from appearing other than doing a cheap CSS (display:none), which of course then effects other plugins.

many thanks!!!!