Najam Sethi has taken over interim replacement.
Imran Khan-led march against the Pakistan government is expect to resume Tuesday.
The former Pakistan PM, who survived an assassination attempt on Thursday, delivered an address from a Lahore hospital on Friday.
Pakistan has a long history of political violence. Former Prime Minister Benazir Bhutto was assassinated in December 2007 in a gun and bomb attack after holding an election rally in the city of Rawalpindi.
Earlier, the IHC had issued a show-cause notice to Khan asking him to appear before the court.
He has been booked under Section 7 of the Anti-Terrorism Act according to the copy of the first information report.
The case was registered at the Margalla Police Station of Islamabad at 10 pm on Saturday under Section 7 of the Anti-Terrorism Act.
The ban came hours after he threatened state institutions and made provocative statements while addressing a rally.
Pakistan celebrates its independence on Aug 14 and this year marks 75 years of independence from the British colonial rule.
After Imran's ouster in April, there are reports that the new government is mulling to bring new leadership to the PCB.