"What is not surprising is that this line of accusation and her resignation came just a week after I told her that I would not be supporting her bid to remain Deputy Lord Mayor,"Cr Moore said in a statement.
"I've been unhappy with her lack of understanding and support of City policies and our vision that we took to the community last election,as well as her non-attendance of important community and City events – it is fair to say we're not on the same page when it comes to how to serve the community,"she said.
The mayor's claim was challenged by the Liberal councillors.
"I've seen Kerryn Phelps at many,many community events,"Liberal councillor Craig Chung said.