The pair welcomed their twins in 2015 after reportedly dating for two years when Mikel was playing for Chelsea.
Mikel, who joined Chinese club Tianjin TEDA in a reported £140,000-a-week deal in January, allegedly has a secret son and daughter by two different women in the UK.
According to Punch, It was not clear why the 30-year-old South Africa 2013 Africa Cup of Nations winner decided to take down the pictures, but there are feelers that the duo have endured a frosty relationship in recent times.
Olga copped a lot of flak from some Nigerian girls in March after she posted the picture of herself and her boyfriend on Instagram.
The proud mother of Mikel Obi’s twin daughters accused a Nigerian man of being a racist after he accused her of ‘belittling’ the Nigerian footballer.