You are removing Kits, not the chroots. You need to remove them in the Ubuntu section
** Changed in: qtcreator-plugin-ubuntu (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu SDK bug tracking, which is subscribed to qtcreator-plugin-ubuntu in Ubuntu. https://bugs.launchpad.net/bugs/1512272 Title: Cannot delete a chroot from ubuntu SDK Status in qtcreator-plugin-ubuntu package in Ubuntu: Invalid Bug description: I follow "Tools/options", then "Build & Run", in the "Kit" tab, I try to delete the install chroots there by select "remove", but in the end the chroots are not removed. Re-launching the SDK still see the install chroots there. This happens on 15.04 desktop. liuxg@liuxg:~$ dpkg-query -W ubuntu-sdk qtcreator qtcreator-plugin-ubuntu qtcreator-plugin-ubuntu-common qtcreator 3.1.1-0ubuntu9 qtcreator-plugin-ubuntu 3.1.1+15.10.20151018-0ubuntu1~0vivid1 qtcreator-plugin-ubuntu-common 3.1.1+15.10.20151018-0ubuntu1~0vivid1 ubuntu-sdk 1.221 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtcreator-plugin-ubuntu/+bug/1512272/+subscriptions -- Mailing list: https://launchpad.net/~ubuntu-sdk-bugs Post to : ubuntu-sdk-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-sdk-bugs More help : https://help.launchpad.net/ListHelp