Pull the drawer for couple days and don't feed the cats. Thats the cry around my moms farm actually she borrows our old guy (16) he's the mouser, Mom can't have cats in the house for long any more ( allergys from a med she takes)
I would be kicking butt and taking names if I found a mouse (alive) in my house. Two perfectly good hunters that have had to become house kitties becouse of the location of our new place.
Good luck removing the seed makers. Please don't plant seeds we really don't need more of those areound.