British officials have reportedly repurposed Cold War-era emergency plans to arrange for the evacuation of the royal family in the event of unrest related to Brexit.

The Sunday Times and The Mail reported Sunday that the plans would provide an exit strategy to get Queen Elizabeth to safe locations outside of London if necessary.

“These emergency evacuation plans have been in existence since the Cold War, but have now been repurposed in the event of civil disorder following a no-deal Brexit,” the Sunday Times reported, citing an unidentified source from the government’s Cabinet Office.

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The Mail on Sunday reported on the plans as well. Conservative lawmaker and Brexit supporter Jacob Rees-Mogg told the news outlet that he believed the planning was an overreaction.

British lawmakers have yet to pass a deal for the United Kingdom to leave the European Union. The deadline for Brexit is March 29, raising the prospect that the country could depart the continental governing agency without ratifying any arrangement.

Voters said in a 2016 referendum that they wanted to leave the continental body.

The lower house in U.K. Parliament, the House of Commons, voted earlier this month 432-202 to reject May's proposed Brexit deal. The overwhelming defeat prompted critics of Brexit to call for a new referendum.

Members of parliament voted last week to reject an amendment that would have allowed lawmakers to delay Brexit should they not be able to ratify a deal by the end of February.