However , following a lawsuit filed by fellow Vice President Usama al - Nujayfi , al - Maliki declared in September 2015 that he was still holding his office .
Removing the post was not in line with the Iraqi Constitution .
However , following a lawsuit filed by fellow Vice President Usama al - Nujayfi , al - Maliki declared in September 2015 that he was still holding his office because removing the post was not in line with the Iraqi Constitution .