Butt was suspended for five years for his role in spot-fixing during the Pakistan and England Test match in August, 2010.
Afridi's appointment comes in the build-up to New Zealand's two-Test tour of Pakistan, beginning on Monday.
Chief Selector Wahab Riaz held a press conference to formally announce the immediate withdrawal of Butt's name from the consultancy panel.
The PCB left out fast bowler Shoaib Akhtar from a 16-member squad for the six-match one day series against India.
Injured Pakistan paceman Umar Gul may not be fit for the second Test against India which could force the team management to recall Rao Iftikhar Anjum as a cover, said Chief Selector Salahuddin Ahmed on Friday.
Sri Lanka beat Pakistan by 115 runs in the third one-day international in Abu Dhabi on Tuesday to claim a consolation victory in a series they lost 2-1.
The press briefing seemed a deliberate decision to let the army convey its angst to Imran directly, observes Rana Banerji, who headed the Pakistan desk at RAW, India's external intelligence agency.
Pakistan's ISI chief Lt Gen Nadeem Ahmed Anjum said on Thursday that Army chief Gen Qamar Javed Bajwa was given a "lucrative offer" in March by the then government amidst the political turmoil, as the powerful top spy launched a veiled attack on ousted premier Imran Khan at an unprecedented press conference.
The Pakistan army is staring at the greatest, scariest, existential threat to its power in their country. This threat has come from a populist riding democratic power, observes Shekhar Gupta.
The security agencies in Pakistan are clueless about the whereabouts of these 19 most wanted terrorists. Some of them have been hiding in Pakistan and others are believed to have fled the country.