Uninstall qt creator

Uninstall just qt creator

sudo apt-get remove qtcreator                   //This will remove just the qtcreator package itself.

sudo apt-get remove --auto-remove qtcreator   //Uninstall qtcreator and its dependencies
                                               
sudo apt-get purge qtcreator            //If you also want to delete your local/config files for qtcreator then this will work.


sudo apt-get purge --auto-remove qtcreator    //Or similarly, like this qtcreator