Profit from personal and commercial banking for RBC and National Bank in the quarter grew 5% and 13%, respectively.
RBC earmarked C$381 million in provisions for credit losses (PCL), compared with a C$227 million release last year.
National Bank reported C$87 million versus a C$41 million release a year ago.
Shares of RBC, which agreed to buy HSBC's (HSBA.L) Canadian business on Tuesday, were down 1.4%, while National Bank fell nearly 4%.
National Bank, on the other hand, posted an adjusted profit of C$2.08 per share, below analysts' expectation of C$2.24.