Cape Town - Former Hawks boss Berning Ntlemeza has retired, it was announced on Tuesday.A High Court ruling previously found Ntlemeza's appointment was unlawful and invalid.On September 15, Police Minister Fikile Mbalula received a court order which ruled that the appeal of the High Court judgment via the Supreme Court of Appeal had been dismissed.READ: 'General Ntlemeza, you must know I am coming for you' - MbalulaMbalula has decided not to appeal."Upon studying and interpretation of the court order, it is conclusive that General Ntlemeza appointment as the Head of [Hawks] has been nullified and declared unlawful," he said. "With this decision of the SCA [Supreme Court of Appeal], I am directing SAPS to commence processing General Ntlemeza's retirement with immediate effect as if he had retired at the age of 60 but at a level of Major-General and not as a Lieutenant-General he was promoted to upon his now defunct appointment."Mbalula said he hoped the matter would end factionalism in the police."I remind our members that Major-General Ntlemeza is henceforth in the outside, I demand that our members must do their work professionally and disabuse the notion of being 'so-and-so people' or in rogue cabals. I expect results in all the priorities I have set for [the Hawks]."Mbalula would start the process of filling the permanent vacancy of Hawks head.Meanwhile, acting Hawks head Lieutenant General Yolisa Matakata would remain in the position.Mbalula wished Ntlemeza, 60, well.