Magento: How to delete ‘Url Rewrite Management’ URLs?

You can delete some ‘Url Rewrite Management’ URLs form follow the following steps:

1. Open your magneto database.

2. Open  ‘core_url_rewrite’ table.

If you want delete all URLs, then empty the table.

                                  or

want delete some particular URLs, then search and delete URLs. Like- You want delete "Mens" category URLs, then search "mens" with like operator and delete all URLs. 

3. Now open magneto backend and Reindex Data.

Above steps will delete all manually and system created rewrites URLs. Now you can recreate only needed URLs and your category and products URLs will recreate automatically.