|The subject of this article was removed from World of Warcraft in patch 4.0.3a.
However, there was no need to buy Thieves' Tools as they were also a quest gift from the following quests:
Although no longer needed to pick locks the tools are still provided by the quests.
If your character already had Thieves' Tools prior to the patch, the Thieves' Tools were not removed from your inventory. They are now junk (but quality was not reduced), but might be kept as roleplay items.