CREATE CREDIT NOTE WITHOUT HITTING INVENTORY

Hello,

Need Help to create credit note in SAP, without hitting inventory.

I generate Credit note via below Tcodes

VA01 - ZRE,

VL01N, - PGI

VFO1 AND VF02,

however in this process my inventory is moved to block.

Which i don't want. I want not hit to inventory.

How do i do it please suggest