How to remove knobs from Line6 DL4????

[Makauto]

I had a problem with 2 of the switches of my DL4, the inner part "unscrewed" (sorry, i dont know how to say it, I'm not english) and now is moving inside the pedal and the switches are useless, i tried to remove the main board to get to the part to fix it, but i guess i have to remove the knobs in order to move the mainboard...
Does anyone know how to remove the knobs without braking them???
HELP ME PLEASE!!!

[Bloodbath]

I used a small skinny plastic screwdriver to pry each side of the switch slowly up. They pull right off but can be a little stubborn sometimes.

[Makauto]

Thanx it worked!!!

[Bloodbath]

Glad to hear. Also I meant to say knob not switch

[Ronsonic]

IC Puller. The little folded spring steel thingy with the plastic grip. This.

[Bloodbath]

That might work but the ones I've come across are really stuck on there. I couldn't pull them off with pliers without totally messing up the knobs.