Police investigating the disappearance of Madeleine McCann are closing the case, Portuguese media have reported.
Her parents Kate and Gerry McCann are both official suspects in the case, along with a third man, Robert Murat.
But two newspapers claim the police have said they "do not have sufficient evidence" to charge the McCanns.
Madeleine, of Rothley, Leics, was three when she disappeared in Praia da Luz on 3 May 2007. The family said they were awaiting confirmation of the reports.
The Correio da Manha newspaper said on Tuesday that sources within Portugal's judicial police said they "do not have sufficient evidence to allow formal charges to be brought against the McCanns in the disappearance of their daughter".
The Jornal de Noticias said: "The police have not found the guilty."
One newspaper said the case had already been closed, while another said the end of the investigation would be announced within the next few days.
The BBC's Alison Roberts, in Portugal, said reports suggested the case had been "archived" or shelved, meaning police would no longer devote resources to investigating it.
She said it could be reopened if new evidence emerged, but officers would not be actively working on it.

'Suffered enough'
The McCanns were declared official suspects - "arguidos" in Portuguese legal jargon - last September.
Their spokesman Clarence Mitchell told the BBC the couple did not know yet whether the reports were correct.

"If they are true, it's to be welcomed that Kate and Gerry are not to face any charges," Mr Mitchell said.
"It's quite right. They are innocent of any involvement in Madeleine's disappearance. They have suffered enough in this process.
"And surely the Portuguese authorities, if this is true, must lift their arguido status as a priority."
Mr Mitchell said the family wanted to know whether police now planned to stop searching for Madeleine.
If so, he said, all the information held by the police must be made public so the McCanns could carry on their own hunt.
"What happens to all those leads, all those contacts? There are thousands of pieces of information in those files," he said.
"What we don't want is that information to lie on a shelf somewhere gathering dust."
Mr and Mrs McCann are due to go to the High Court on 7 July to ask a judge to order police files on the disappearance of their daughter to be released.
The BBC's correspondent said the period of judicial secrecy surrounding the case was due to end in August.

Madeleine suspect in damages win

Expat Robert Murat has settled a claim for damages over allegations in 11 UK newspapers that he was involved in the disappearance of Madeleine McCann.
Briton Mr Murat is still an official suspect - or arguido - in Portugal.
He was questioned by police but denied any involvement in the disappearance of Madeleine, who vanished aged three from an Algarve apartment in May last year.
The libel settlement is expected to be about £550,000 and includes an apology. The case will be heard on Thursday.
In a hearing at the High Court in London, the settlement agreed will be confirmed.
In April Mr Murat's lawyers, Simons Muirhead & Burton, said they were pursuing 11 leading British newspapers and Sky TV over allegedly libellous stories.
They named the Sun, Daily Express, Sunday Express, Daily Star, Daily Mail, London Evening Standard, Metro, Daily Mirror, Sunday Mirror, News of the World and the Scotsman.
On Tuesday Sky said the TV station was not involved in the current legal action and had not been served any papers by Mr Murat's lawyers.
A spokeswoman for Mr Murat said the settlement and written apology had been agreed with the 11 newspapers.
In March Madeleine's parents Kate and Gerry McCann reached a similar libel settlement and got an apology from Express Newspapers for suggesting they were responsible for her death.

Police questioning
Media commentator and journalism professor Roy Greenslade said the case showed newspapers had "lost their heads" over the Madeleine story. He said newspapers needed to be more aware that when crimes happened abroad it did not "relieve them of the normal rules that they should apply".
He added that competition had driven them to "bid each other up" in terms of what they thought they could get away with in their reporting.
"Profits and sales ruled, rather than principles and ethics," he said.

Mr Murat, 34, was questioned by police 11 days after Madeleine went missing from the Praia da Luz resort on 3 May 2007, before being made a formal suspect.
Police searched the nearby villa where he lived with his mother after Sunday Mirror journalist Lori Campbell spoke to the British Embassy and the police about Mr Murat.
The expatriate, who described himself as half-Portuguese, had become known to journalists and told them he had been helping police with translation work during the search.
Last month Mr Murat said he hoped the return of computers seized from him by police signalled they were to drop his status as a formal suspect soon.

His mother, Jenny Murat, has always maintained she was with her son at home on the night of Madeleine's disappearance.
Mr Murat is still pursuing cases against the Portuguese press.
Legal editor for the Daily Telegraph Joshua Rozenberg told the BBC the British newspapers were now clearly admitting they could not defend their allegations.
"They realise that this is one of the most damaging things you could say about anybody, and it appears that they have all clubbed together and agreed to settle the libel claim out of court."

He added: "As far as English law is concerned, he is being vindicated and the newspapers are very clearly saying that they cannot justify what they alleged."
Niri Shan, a media lawyer who specialises in defamation, said Mr Murat's status as a suspect did not justify the allegations published.
"I suspect it won't be too long before that status might be lifted. So I think the newspapers have made a calculated decision to get out of the action early before costs become a major factor in the litigation," he said.
Under Portuguese law someone can remain an official suspect without charge for as long as the investigation is continuing.
Kate and Gerry McCann also remain official suspects in the inquiry.
In their libel settlement the Express Newspapers group paid £550,000 to the Find Madeleine campaign, and the Daily Express and Daily Star issued front-page apologies admitting the stories were inaccurate.