Why remove the welcome panel in WordPress?
Welcome panel helps beginners to find the way around in WordPress. Once you are familiar with the WordPress environment it becomes less noticeable.
Removing welcome panel from WordPress Dashboard
There are multiple ways to hide and remove the welcome panel from WordPress dashboard. The easiest was is just by clicking Dismiss button on the top right corner as shown in the picture below:
Next, you can click on ‘screen options’ button at the top right corner and uncheck the checkbox next to ‘Welcome’ option in the fly down menu.
The above two methods can temporarily remove the welcome panel. But, if you want to completely remove the welcome panel then you can add the code below in your theme’s function.php file or site-specific plugin.
(note: this code removes the action that adds welcome panel to the admin dashboard.)