There are a couple ways to remove a theme from your BlackBerry.

1) You can delete the theme directly from the BlackBerry

• Scroll to OPTIONS and select it
• Select ADVANCED OPTIONS

• Select APPLICATIONS

• Scroll to the theme you wish to delete and select it

• Scroll to DELETE and select it

2) You can use the BlackBerry Application Loader from a PC.

• Plug your BlackBerry into the USB slot of the Computer
• Load up the Desktop Manager Software
• Select the Application Loader
• Click NEXT
• Scroll down to the theme you wish to remove and click on it (un-check it)

• You may need to restart your device in order for the delete process to complete. 

If this article did not help, or you still have an issue, you may request additional help via the Customer Support Form.