In order to remove all vBulletin tags, you should access the vBulletin database and truncate the content of the tag table.
Run the following MySQL query:
TRUNCATE TABLE tag;
(You can run a MySQL query using phpMyAdmin. More information how to do this can be found in our tutorial How to execute MySQL queries with phpMyAdmin.)
This way the table structure will be preserved but all tag records will be erased.
