Nigeria coach Stephen Keshi has escaped action from FIFA following remarks he made about Malawi coach Tom Sainfiet in August.
Nigeria booked their place in the final round of World Cup qualifying after recording a 2-0 victory over 10-man Malawi on Saturday.
Nigeria host Malawi in a winner-takes-all 2014 World Cup qualifier in Calabar on Saturday, with a place in the final round at stake.
A late Chimango Kayira own goal saw Kenya snatch a 2-2 draw against Malawi in Wednesday's 2014 World Cup qualifier in Blantyre.
Kenya will look to spoil Malawi's push for top spot in Group F when they face off in Wednesday's World Cup qualifier at Kamuzu Stadium.