"I don't know but it was wrong to expect them to be like Virat Kohli or Ab de Villiers and perform like them," Afridi said on Geo News channel today.
Shehzad and Umar considered to be two of the country's best young batting talent have been axed for the tour to England on disciplinary grounds and were not called for the training and skills camps set up by the cricket board.
Afridi said there was no doubt that Shehzad and Umar needed to work hard on their cricket and approach.
"I also agree there should be no compromise on discipline. But I think it is best if we stop expecting too much from them and just let them be and let them play the way they do. With more experience I am sure they will be much better," he added.
More From This Section
"But don't expect them to perform like Kohli or de Villiers. Don't make such comparisons."
"I have given myself another two years of cricket as I am still enjoying the sport. Whether I play in foreign or domestic leagues or for Pakistan it does not matter. I have given myself two more years. Whenever the selectors need me for Pakistan I am always available for the country," he said.
Afridi said he was impressed by the way Inzamam had called him up and spoken to him about his future plans.
"It was a good and positive thing and showed respect for a player. I told Inzamam if he wants to try out youngsters he should do that but whenever he feels he needs me I am there to play for Pakistan."
Muhammad Aamir's return to the team, but not Salman Butt and Muhammad Asif although the trio committed the same crime, Afridi said the crime was the same but in the post spot fixing scandal the attitude of the three was different.
"Look I always felt that in Salman Butt we had found an opener and player who could fill in the gap left by Saeed Anwar and Aamir Sohail. I liked his game and his approach. So no one was more disappointed than me when the spot fixing scandal happened.