diff --git a/drivers/timer/Kconfig.nrf_rtc b/drivers/timer/Kconfig.nrf_rtc
index cda05d4dabe..acb6f123afe 100644
--- a/drivers/timer/Kconfig.nrf_rtc
+++ b/drivers/timer/Kconfig.nrf_rtc
@@ -19,6 +19,7 @@ if NRF_RTC_TIMER
 
 config NRF_RTC_TIMER_USER_CHAN_COUNT
 	int "Additional channels that can be used"
+	default 2 if NRF_802154_RADIO_DRIVER && SOC_NRF5340_CPUNET
 	default 3 if NRF_802154_RADIO_DRIVER
 	default 0
 	help
diff --git a/soc/arm/nordic_nrf/nrf53/Kconfig.soc b/soc/arm/nordic_nrf/nrf53/Kconfig.soc
index 59ff2eb2c6f..87d8a6d0c7a 100644
--- a/soc/arm/nordic_nrf/nrf53/Kconfig.soc
+++ b/soc/arm/nordic_nrf/nrf53/Kconfig.soc
@@ -53,7 +53,6 @@ config SOC_NRF53_ANOMALY_160_WORKAROUND
 
 config SOC_NRF53_RTC_PRETICK
 	bool "Pre-tick workaround for nRF5340 anomaly 165"
-	depends on !NRF_802154_RADIO_DRIVER
 	select NRFX_DPPI
 	select ARM_ON_ENTER_CPU_IDLE_HOOK if SOC_NRF5340_CPUNET
 	select ARM_ON_ENTER_CPU_IDLE_PREPARE_HOOK if SOC_NRF5340_CPUNET
@@ -204,6 +203,7 @@ config NRF53_SYNC_RTC_INIT_PRIORITY
 	  nRF53 Synchronized RTC initialization priority.
 
 config NRF_RTC_TIMER_USER_CHAN_COUNT
+	default 2 if NRF_802154_RADIO_DRIVER && SOC_NRF5340_CPUNET
 	default 3 if NRF_802154_RADIO_DRIVER
 	default 1