A two-year trial period for the Collingwood Beach Vegetation Plan was due to end in September this year.

The plan was put in place in 2018 to put an end to several issues that have dogged the area over the last few years including the repeated vandalism of trees and strong, opposing community views on the management of the beach.

The motion, put forward by Councillors Joanna Gash and Patricia White at the February strategy and assets meeting, called for council to "immediately remove all banksia roots suckers and seedlings and undertake further pruning to create real window views".

It passed, with nine voting for the changes and three against.

Vice chair of Vincentia Matters Ross Popplewell said the community was concerned changes were made to the plan without broad community consultation.

"The majority have said let it run its course and then let the due process decide," Mr Popplewell said.

"Residents had no warning that the terms of the two-year trial were to be thrown out the window and a new, destructive strategy would begin.

"The management of the dune at Collingwood Beach has been a complex issue, which has taken up hours of stakeholder time and numerous consultations with parties outside the Shoalhaven."

Mr Popplewell said in the past the vandalism issue along Collingwood Beach had created deep divisions within the Vincentia community and doesn't want community tensions to rise again.

Speaking on Collingwood Beach at the ordinary meeting, when a rescission motion was put forward, Cr Gash said she had lost patience with the process.

"We talk about breach of trust," she said.

"I'm embarrassed for the people in Susan Street to see what little has actually been done."