To delete a default website you to change the default_website ID record with the second website, if you only made two websites the ID has to be set from 1 to 2.

follow this path developer mode, setup -> technique -> external id and search for "default_website", and change the id of the record.

once this is done you can perform the steps described above. 

Hi,

To delete a website, activate developer mode.

Go to website -> Configuration -> Websites

Select the website to delete

Click on Action -> Delete

Regards

Hi Gus, thanks so much for helping. I´ve tried that but it says "user error: you cant delete the default website". Maybe I should change the settings of this website as not default, and the other one as default, do you know how to do that?