In Wales, masks must still be worn in taxis, on trains and buses, as well as health and social care settings when coronavirus restrictions are eased, the Welsh government said.
It added that "active further consideration" is being given to whether they will still be required by law in other settings, like retail.
First Minister Mark Drakeford said: "We will need everyone's help to keep coronavirus under control as we continue to respond to the pandemic - this virus has quite certainly not gone away.