"remove a threat" is correct and usable in written English.
You can use it when you want to refer to the act of eliminating a danger or potential danger. For example, "The leader's goal was to quickly remove the threat of nuclear war."
But it does not remove a threat from hard-line splinter groups operating on both sides.
For the Iraqi government, it would remove a threat to their security forces since the special groups have gone after Iraqis as well as Americans and Britons.
"We have no ambition in Iraq except to remove a threat and restore control of that country to its own people.
"The simple truth is that action on this agreement is necessary to promote American exports and remove a threat to the creation of American jobs," Mr. Boehner said in a statement, encouraging his troops to support the deal.
But this time, since his lawbreaking seems to remove a threat to the very survival of his Administration in office, it is not just this one act but the continuation of the Administration itself that has become lawless.
Taking it would grant the rebels an excellent fortress for launching military operations and remove a threat on Valladolid.
And reducing deforestation removes a threat to the livelihoods and cultures of indigenous people, as well as preserving a lot of doubtless delightful wildlife.
The decisions appeared to ease some pressure on the two security agencies, removing a threat of lengthy and potentially embarrassing court proceedings.
The InterTrust settlement removes a threat to Microsoft's ability to deliver piracy protection technology in its software products for playing and handling digital media.
For 6.5 per cent of his fortune — the equivalent of four Picasso paintings — he has gone a long way toward removing a threat that could have destroyed his firm and possibly seen him facing charges.
By removing a threat to Israel and a source of support for the intifada, it has made it safer for Israelis to compromise and harder for Palestinians to believe that they will achieve their aims by violence.
