nRF52810 clock issue

Dear All,

We have designed our custom board based on nRF52810 chipset. wehave not used 32.768khz oscilator. it seems in code default configauration is with crystal. so please suggest what changes i need to make in the code to use internal clock in SDK14.2 and SDK15. please inform in which file i need to make the changes.waiting for earliest reply .

Thank You