Steps to follow to reproduce:
-Login as Admin
-Go to the Administer XWiki, set Multi Lingual option to Yes.
-In the Language field, insert some languages (en, ro, ca)
-Save this configuration and go to the main page.
-Under the Administrator menu (top) you'll see a list of languages, even if they are not enabled.
1.This bug appears only when viewing the MainPage.
2.This bug affects both Colibri and Toucan skins.