Facebook says it will not install a "panic button" on its main pages for users to report suspected paedophiles, but will develop its existing system.
The company says it will have links to organisations including the Child Exploitation and Online Protection (Ceop) centre on its reporting pages.
But the director of Ceop says there should be a button on every page.
The conviction of Peter Chapman for the murder of 17-year-old Ashleigh Hall led to renewed calls for a "panic button".
The convicted sex offender lured the teenager to her death using Facebook.
Earlier, the Home Secretary said Facebook executives had told him they had "no objection in principle" to installing the safety button.
Alan Johnson said he and the site's executives had had a "frank exchange of views" during the meeting, following calls for Facebook to link to the Child Exploitation and Online Protection (Ceop) centre.
Facebook 'deeply saddened'
Defending Facebook's current set-up, a spokesman said they had been pleased to provide Mr Johnson with further details about their "robust reporting system".
"This innovative system has been developed by analysing millions of reports submitted over the years and testing ways to continually improve our system.
"The system effectively handles all manner of potential abuse we see on the site, ranging from the common minor breaking of the rules, such as embarrassing pictures, to the extremely rare serious matters that are quickly escalated to law enforcement."
He said they had gone on to explain that the website was "exploring ways to improve safety", which included adding links to more organisations, including Ceop and Beatbullying, on Facebook's reporting pages.
"We will also explore adding the Ceop button to our safety centre," he added.
Peter Chapman, 33, was jailed for at least 35 years this month for killing Ashleigh Hall last October.
She was raped, suffocated and her body dumped in a field near Sedgefield, County Durham, after agreeing to meet Chapman.
Earlier that month, she had been attracted by a picture of a young, bare-chested man that Chapman - calling himself Peter Cartwright - had posted on Facebook.
Facebook said it was "deeply saddened by the tragic death".
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