Heavily armed police are combing every inch of the town of Windsor with bomb-sniffing dogs.
Ahead of a dress rehearsal on Thursday the Berkshire town is being swept for safety risks.
Rough sleepers will be welcomed drinks, food and offered support.
Video obtained by the MailOnline shows two homeless men, who were camped outside a Barclay's Bank opposite the castle, being asked by police to pack up their items in clear plastic bags.
Homeless people were told that their belongings, including books, magazines and bedding, will be kept in storage until Monday, as part of added security measures.
"They are a nuisance and intrusive and Thames Valley Police are asking the local people to report a drone if it is in the air or if they see somebody preparing to take one off".
In the video, one of the men said that: "There was big speak on the TV about the homeless being helped but when they said helped they meant removed".
With 100,000 visitors expected to descend on Windsor on Saturday to celebrate Prince Harry and Meghan Markle tying the knot, the police are on high alert.
'Any charity - legally six per cent - that's all they have to give. But we help other countries when there's enough British people who need help'.
At least six bags were removed and taken to the back of a parked police van.
Jim Deans, who has been running the bus shelter since January, said: "The many people descending on Windsor will cause distress to the small numbers of homeless living on the street, so we will be playing an important support role".
"Additionally we are also working with a homeless project in Sussex to offer further support".
Lawson Mountstevens, Managing Director of Star Pubs & Bar, who run 2,900 venues nationally, said: "Pubs have always held pride of place for national celebrations like royal weddings and great sporting events for Brits".
"We will continue to engage and work in partnership to support the communities of Windsor".
With mere days to go until Harry and Meghan's wedding, the Queen has agreed to the banning of any drones or low-flying aircrafts over Windsor Castle on Saturday, whether during the cermony or into the evening festivities.