Tags with 0 uses still appears

[pestetada]

I just noticed now that when I edited my entries [along with the tags], the previous tag which I no longer uses still turns up on the tag list. How do I make it disappear? ^^;;; It really just bugs me..

Account: permanent
Theme: Flexible Squares
Code: REMOVED (IT'S UNNECESSARY, AFTER ALL)

Thank you!!!~ <3