Bankers in Hong Kong and Singapore are impacted as the lender cuts costs due to slowing dealmaking activity, the person and a second source said.

"The size of our work force will fluctuate in any given year," a spokesperson for HSBC said in a statement, without commenting on the number of jobs impacted.

(Reporting by Scott Murdoch in Sydney, Kane Wu and Selena Li in Hong Kong, Editing by Louise Heavens)