Martinez was coy when asked if he would like to buy the forward when the player's stay with the Blues ends when the season finishes.
"I think there's going to be a lot of debate from the outside but there's no debate on the inside," the Liverpool Echo quotes Martinez as saying.
"Whatever happens at the end of the season will be for the good of everyone. It was a deal that Chelsea wanted to develop him individually and get him the games to progress.
"For us it was to get a quality striker. We just need all three parties getting the positives. We should enjoy him while he's here and not look too far ahead."
Martinez's side visit Arsenal on Sunday.