The interview is due for broadcast on Saturday.
Buhari has, however, told his wife, who is currently in London, to stop granting further interviews to the media, SaharaReporters has said.
She noted that those who really worked for his victory in the 2015 election had been sidelined by those that didn’t participate.
“This worries us a lot now. Because they believe they are the ones who suffered, but are no where today.
“Those who didn’t do anything, who don’t even have voters’ cards are the ones in position, doing everything,” Aisha said.