Three days later, Salleh, 91 years old died of COVID-19-complicated pneumonia at 3.20 am.[27] He was survived by his second wife Toh Puan Wan Junaidah Wan Jusoh, five children and 26 grandchildren.[28] He was laid to rest beside the grave of his first wife Toh Puan Azimah Mohd Ali at the Sheikh Ibrahim Muslim Cemetery in Jalan Pusara, Kuala Terengganu.[29][30][31]