[xwiki-users] How to fully delete a Space?

Hi All, I have some problems to fully delete a Space from Xwiki, I think there is a not update cache of pages list that contains moved/deleted pages, here what i did: I tried to move all pages from the space "A" to the space "B" and to delete A.WebHome. In this way it seems that the space is fully deleted and if I try to open the url: https://intranet.test.com/xwiki/A/ I get the message "The requested document could not be found", as i expected. The problem is that the "A" space yet appears in the "listo of spaces" that i can select in "Search", "Lucene Search", "Index", "Tree"... If I Search in space "A" i get some name of pages but if i click on them i get the "The requested document could not be found" message because i moved them on space "B" Can you let me know where i'm wrong? is there any way to delete the indexes that contain the space list? If not, Can i work directly on database? Thanks! Loris