Rather than asking for explicit his explicit removal, the MDC is now requesting that another mediator in addition to Thabo Mbeki be included in MDC-ZANU-PF talks.
Interestingly enough, it appears that Mbeki’s pathetic performance as mediator is getting some visibility, as you can see in this Washington Post articlediscussing how the South African president’s legacy has been harmed by his embrace of Mugabe.