The National Prosecuting Authority said on Tuesday that the case was postponed for bail application.
On December 9, the bodies of six men, aged between 18 and 30, were found by passers-by at Joostenberg Vlakte, near Kraaifontein.
The men were found lying face down with their hands tied behind their backs and appeared to have been stoned to death.
On December 17, eight men were arrested in connection with the crime. During subsequent court proceedings, charges against one of them was dropped due to insufficient evidence.
By December 29, the total number of people charged with the murders was 13.