If you want to remove /category/
from the url, follow these two steps:
- Go to Settings >> Permalinks and select Custom and enter:
/%category%/%postname%/
- Next set your Category Base to
.
Save it and you’ll see your URL changed to this format:
http://yourblog.com/quotes/
(Source: http://premium.wpmudev.org/blog/daily-tip-quick-trick-to-remove-category-from-wordpress-url/)