He was called out of retirement to implement a plan of his design to reform government rule. He was the architect of the Privy Council Ministry, which, though it failed, was an early effort to establish an executive along the lines of what later came to be understood as Cabinet government. Charles II disapproved of the scheme, which in his view took away too much of the Royal Prerogative, although in the exceptional circumstances of the Exclusion Crisis he was willing to give it a brief trial.