diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index e58b0dc64364..583f835c317a 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1055,36 +1055,6 @@ at86rf212_set_channel(struct at86rf230_local *lp, u8 page, u8 channel)
 	if (rc < 0)
 		return rc;
 
-	/* This sets the symbol_duration according frequency on the 212.
-	 * TODO move this handling while set channel and page in cfg802154.
-	 * We can do that, this timings are according 802.15.4 standard.
-	 * If we do that in cfg802154, this is a more generic calculation.
-	 *
-	 * This should also protected from ifs_timer. Means cancel timer and
-	 * init with a new value. For now, this is okay.
-	 */
-	if (channel == 0) {
-		if (page == 0) {
-			/* SUB:0 and BPSK:0 -> BPSK-20 */
-			lp->hw->phy->symbol_duration = 50 * NSEC_PER_USEC;
-		} else {
-			/* SUB:1 and BPSK:0 -> BPSK-40 */
-			lp->hw->phy->symbol_duration = 25 * NSEC_PER_USEC;
-		}
-	} else {
-		if (page == 0)
-			/* SUB:0 and BPSK:1 -> OQPSK-100/200/400 */
-			lp->hw->phy->symbol_duration = 40 * NSEC_PER_USEC;
-		else
-			/* SUB:1 and BPSK:1 -> OQPSK-250/500/1000 */
-			lp->hw->phy->symbol_duration = 16 * NSEC_PER_USEC;
-	}
-
-	lp->hw->phy->lifs_period =
-		(IEEE802154_LIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000;
-	lp->hw->phy->sifs_period =
-		(IEEE802154_SIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000;
-
 	return at86rf230_write_subreg(lp, SR_CHANNEL, channel);
 }
 
@@ -1563,7 +1533,6 @@ at86rf230_detect_device(struct at86rf230_local *lp)
 		lp->hw->phy->supported.page[0].chunk[0].protocol = IEEE802154_OQPSK_PHY;
 		lp->hw->phy->supported.page[0].chunk[0].band = IEEE802154_2400_MHZ_BAND;
 		lp->hw->phy->current_channel = 11;
-		lp->hw->phy->symbol_duration = 16 * NSEC_PER_USEC;
 		lp->hw->phy->supported.tx_powers = at86rf231_powers;
 		lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf231_powers);
 		lp->hw->phy->supported.cca_ed_levels = at86rf231_ed_levels;
@@ -1595,7 +1564,6 @@ at86rf230_detect_device(struct at86rf230_local *lp)
 		lp->hw->phy->supported.page[2].chunk[1].band = IEEE802154_915_MHZ_BAND;
 
 		lp->hw->phy->current_channel = 5;
-		lp->hw->phy->symbol_duration = 25 * NSEC_PER_USEC;
 		lp->hw->phy->supported.lbt = NL802154_SUPPORTED_BOOL_BOTH;
 		lp->hw->phy->supported.tx_powers = at86rf212_powers;
 		lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf212_powers);
@@ -1610,7 +1578,6 @@ at86rf230_detect_device(struct at86rf230_local *lp)
 		lp->hw->phy->supported.page[0].chunk[0].protocol = IEEE802154_OQPSK_PHY;
 		lp->hw->phy->supported.page[0].chunk[0].band = IEEE802154_2400_MHZ_BAND;
 		lp->hw->phy->current_channel = 13;
-		lp->hw->phy->symbol_duration = 16 * NSEC_PER_USEC;
 		lp->hw->phy->supported.tx_powers = at86rf233_powers;
 		lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf233_powers);
 		lp->hw->phy->supported.cca_ed_levels = at86rf233_ed_levels;
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 80382919520e..1a56073c1c52 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -667,36 +667,6 @@ static int hulusb_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
 	if (rc < 0)
 		return rc;
 
-	/* This sets the symbol_duration according frequency on the 212.
-	 * TODO move this handling while set channel and page in cfg802154.
-	 * We can do that, this timings are according 802.15.4 standard.
-	 * If we do that in cfg802154, this is a more generic calculation.
-	 *
-	 * This should also protected from ifs_timer. Means cancel timer and
-	 * init with a new value. For now, this is okay.
-	 */
-	if (channel == 0) {
-		if (page == 0) {
-			/* SUB:0 and BPSK:0 -> BPSK-20 */
-			lp->hw->phy->symbol_duration = 50 * NSEC_PER_USEC;
-		} else {
-			/* SUB:1 and BPSK:0 -> BPSK-40 */
-			lp->hw->phy->symbol_duration = 25 * NSEC_PER_USEC;
-		}
-	} else {
-		if (page == 0)
-			/* SUB:0 and BPSK:1 -> OQPSK-100/200/400 */
-			lp->hw->phy->symbol_duration = 40 * NSEC_PER_USEC;
-		else
-			/* SUB:1 and BPSK:1 -> OQPSK-250/500/1000 */
-			lp->hw->phy->symbol_duration = 16 * NSEC_PER_USEC;
-	}
-
-	lp->hw->phy->lifs_period =
-		(IEEE802154_LIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000;
-	lp->hw->phy->sifs_period =
-		(IEEE802154_SIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000;
-
 	return atusb_write_subreg(lp, SR_CHANNEL, channel);
 }
 
@@ -919,7 +889,6 @@ static int atusb_get_and_conf_chip(struct atusb *atusb)
 		atusb->hw->phy->supported.page[0].chunk[0].protocol = IEEE802154_OQPSK_PHY;
 		atusb->hw->phy->supported.page[0].chunk[0].band = IEEE802154_2400_MHZ_BAND;
 		atusb->hw->phy->current_channel = 11;	/* reset default */
-		atusb->hw->phy->symbol_duration = 16 * NSEC_PER_USEC;
 		atusb->hw->phy->supported.tx_powers = atusb_powers;
 		atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);
 		hw->phy->supported.cca_ed_levels = atusb_ed_levels;
@@ -932,7 +901,6 @@ static int atusb_get_and_conf_chip(struct atusb *atusb)
 		atusb->hw->phy->supported.page[0].chunk[0].protocol = IEEE802154_OQPSK_PHY;
 		atusb->hw->phy->supported.page[0].chunk[0].band = IEEE802154_2400_MHZ_BAND;
 		atusb->hw->phy->current_channel = 11;	/* reset default */
-		atusb->hw->phy->symbol_duration = 16 * NSEC_PER_USEC;
 		atusb->hw->phy->supported.tx_powers = atusb_powers;
 		atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);
 		hw->phy->supported.cca_ed_levels = atusb_ed_levels;
@@ -963,7 +931,6 @@ static int atusb_get_and_conf_chip(struct atusb *atusb)
 		atusb->hw->phy->supported.page[2].chunk[1].band = IEEE802154_915_MHZ_BAND;
 
 		atusb->hw->phy->current_channel = 5;
-		atusb->hw->phy->symbol_duration = 25 * NSEC_PER_USEC;
 		atusb->hw->phy->supported.lbt = NL802154_SUPPORTED_BOOL_BOTH;
 		atusb->hw->phy->supported.tx_powers = at86rf212_powers;
 		atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf212_powers);
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 6bd970d26220..d3a9e4fe05f4 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -2977,7 +2977,6 @@ static void ca8210_hw_setup(struct ieee802154_hw *ca8210_hw)
 	ca8210_hw->phy->cca.mode = NL802154_CCA_ENERGY_CARRIER;
 	ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND;
 	ca8210_hw->phy->cca_ed_level = -9800;
-	ca8210_hw->phy->symbol_duration = 16 * NSEC_PER_USEC;
 	ca8210_hw->phy->lifs_period = 40;
 	ca8210_hw->phy->sifs_period = 12;
 	ca8210_hw->flags =
diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c
index 34063b7e663e..8d12c2968302 100644
--- a/drivers/net/ieee802154/mcr20a.c
+++ b/drivers/net/ieee802154/mcr20a.c
@@ -975,10 +975,6 @@ static void mcr20a_hw_setup(struct mcr20a_local *lp)
 
 	dev_dbg(printdev(lp), "%s\n", __func__);
 
-	phy->symbol_duration = 16 * NSEC_PER_USEC;
-	phy->lifs_period = (40 * phy->symbol_duration) / NSEC_PER_USEC;
-	phy->sifs_period = (12 * phy->symbol_duration) / NSEC_PER_USEC;
-
 	hw->flags = IEEE802154_HW_TX_OMIT_CKSUM |
 			IEEE802154_HW_AFILT |
 			IEEE802154_HW_PROMISCUOUS;
@@ -1010,7 +1006,6 @@ static void mcr20a_hw_setup(struct mcr20a_local *lp)
 	phy->current_page = 0;
 	/* MCR20A default reset value */
 	phy->current_channel = 20;
-	phy->symbol_duration = 16 * NSEC_PER_USEC;
 	phy->supported.tx_powers = mcr20a_powers;
 	phy->supported.tx_powers_size = ARRAY_SIZE(mcr20a_powers);
 	phy->cca_ed_level = phy->supported.cca_ed_levels[75];
