Everton boss Roberto Martinez was delighted with two-goal Nikica Jelavic after their 4-0 FA Cup rout of QPR.
QPR are keen on the Croatian this month.
But Martinez said: "I don't want to sell him - I don't want to lose him now, but I understand it is a key moment for him.
"Put it this way - if the World Cup was not in the summer, this situation would never be in place.
"It (any move) will not be a loan situation. That wouldn't allow us to replace Jela at all, so I don't think that would be right for us. It has to work for the player, but more importantly, for us as a squad.
"The only possibility would be a permanent move that would allow us to bring another striker in, so we are able to be as strong as we are with Jela."
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