He stood down as caucus chair in 2012. Tremblay resigned as mayor against the backup of a serious corruption scandal in late 2012 and was replaced by Michael Applebaum. In early 2013, Primeau was appointed to a committee empowered to examine municipal contracts. By virtue of holding his seat on city council, Primeau is also a member of the Mercier–Hochelaga-Maisonneuve borough council.