If you want to delete synced contacts from your Google account, there are a few different ways to go about it. The first way is to use the Google Contacts app on your phone or computer. Open the app and select your account from the list of accounts. On the left side of the screen, under “Manage contacts,” tap “Delete all contacts.” If you want to delete specific synced contacts, you can do that too. Open the Google Contacts app on your phone or computer and select your account from the list of accounts. On the left side of the screen, under “Manage contacts,” tap “Delete selected contact.” Tap on a contact and then select “Delete.” ..