Rangers boss Stuart McCall says he feels sorry for Gael Bigirimana, but admits he should never have been signed.
Chris Gunter will stay at Reading, after the club took up the option to extend his deal by another year.
Newcastle midfielder Mehdi Abeid has completed his loan move to St Johnstone.
The 20-year-old Algerian will spent the rest of the season with the Perth-based club.
Abeid is yet to make his Barclays Premier League debut for the Magpies, but has five senior appearances to date, two of them in the club's Europa League campaign.