Craig Levein hopeful Hearts can build on "enormous" derby win

<div class="pa_art"><p>Hearts manager Craig Levein feels the "enormous" lift of their derby win can fire them to cup success this week.</p><p>And Levein is further encouraged by an improving injury situation despite losing Steven Naismith for several more weeks.</p><p>Hearts' 2-1 victory at Easter Road on Sunday has lifted some of the pressure on the manager after a poor start to the Ladbrokes Premiership season.</p><p>Levein is looking to build on their first league win when they take on Aberdeen in Wednesday's Betfred Cup quarter-final at Tynecastle, although a hamstring problem will keep Naismith out.</p><p>"I think it will be two or three weeks before he's back," Levein said. "We just decided to take him back out of training completely . . .