Depends what they are you can open the favorites folder and delete the links one by one,but if they have been put there by spyware then they will keep reappearing so best to do a spyware scan with adaware it may remove them for you.
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant
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