Hello Ivan Mishchenko !

It will require to change the modules/boonex/timeline/template/type_post.html file, just cut the following part from there:

<bx_if:show_attachments>
<div class="__style_prefix__-item-attachments __style_prefix__-ia- __style_prefix__-ia-i__count__ bx-def-margin-top bx-def-margin-leftright">
<bx_repeat:items>
<div class="__style_prefix__-item-attachment__class__">__item__</div>
</bx_repeat:items>
</div>
</bx_if:show_attachments>