A machine for removing seeds, including: a rotating rod (11) that is movable between a first position, in which it is found outside of a product (P), and a second position, in which it can be inserted in a product (P); a curved knife (12) associated with the rotating rod (11); an adjusting mechanism (20) structured so as to adjust the second position of the rotating rod (11) with respect to at least one dimension of the product (P) being processed.