# How to unset the headers "Cache-Control" and "Pragma" on Rai

**URL:** <https://www.ruby-forum.com/t/how-to-unset-the-headers-cache-control-and-pragma-on-rai/115208>\
**Category:** Rails\
**Created:** [September 21, 2007, 6:32pm UTC](https://www.ruby-forum.com/t/how-to-unset-the-headers-cache-control-and-pragma-on-rai/115208 "2007-09-21T18:32:25Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![walksalong](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/4491bb/32.png) [@walksalong](https://www.ruby-forum.com/u/walksalong)\
**Post date:** [September 21, 2007, 6:32pm UTC](https://www.ruby-forum.com/t/how-to-unset-the-headers-cache-control-and-pragma-on-rai/115208/1 "2007-09-21T18:32:25Z")

</div>

Does anyone know how to unset the headers cache-control and pragma on  
Rails and where I would put the code to unset it? I’m using Flex on  
Rails and I cannot see the application in Internet Explorer. Its a  
white screen, but works fine on Firefox and Safari.

Thanks!