Go to WhatsApp, go to the “Calls” tab and click on the desired call, holding down until the menu appears
If needed, select any call that you'd like deleted then click on the trash can icon in the upper right corner
Go to the "Calls" tab, click on the three vertical dots in the upper right corner and select "Clear call log"
Confirm your actions by clicking "OK" and your call history will be permanently deleted
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