How to Remove Navbar

How to Remove Navbar :
1. After logging into the dashboard of your blog
2. Click the Design tab
3. Then go to Edit HTML page
4. Then find this code ]]></ b: skin>, how easy it is to press Ctrl + F then type ]]></ b: skin>
5. If you've met put the code:

# navbar-iframe {

height: 0px;

visibility: hidden;

display: none

}

just before the code ]]></ b: skin> it earlier.
6. If you already click Save Template