The Charity Commission has shelved open board meetings as part of its cost-cutting review.
The regulator had scheduled a public board meeting in London on Thursday, but a message posted on its website, where the advance papers were due to appear, says such meetings have been put on hold.
"As part of the commission's current strategic review, we are currently looking at how the commission conducts meetings in public," it says.
"While the review is ongoing, we are suspending the current programme of open board meetings."
The regulator will continue its monthly board meetings behind closed doors.
"It is perhaps worth noting that the commission's most recent public meeting, which took place in Liverpool, was not attended by a single external visitor," a spokeswoman for the regulator said.
Third Sector revealed in December that the commission had spent more than £22,000 hosting open board meetings in several venues in England and Wales in 2009/10. They attracted a median attendance of 3.5 members of the public, at an average cost of £450 per person.
The regulator said it hoped to announce a new approach in the spring.