from:
blackberry FAQ
Delete unused Languages
1. Go to Options >> Advanced Options >> Applications
2. Scroll to and highlight the unused languages
3. Press the menu key and select Delete
Note: When prompted to restart select No until all of the unused languages are deleted.
4. Once all languages are deleted, remove battery for 30 seconds and re-boot the device
is it still possible to do that? dont seem to find
advanced option on my phone
Francois