diff --git a/core/mac/src/include/parser_api.h b/core/mac/src/include/parser_api.h
index bca5e4a1de62..8fc74b31861e 100644
--- a/core/mac/src/include/parser_api.h
+++ b/core/mac/src/include/parser_api.h
@@ -697,7 +697,7 @@ populate_dot_11_f_ext_chann_switch_ann(struct mac_context *mac_ptr,
 void
 populate_dot11f_vht_tx_power_env(struct mac_context *mac,
 				 tDot11fIEvht_transmit_power_env *pDot11f,
-				 enum phy_ch_width ch_width, uint8_t chan);
+				 enum phy_ch_width ch_width, uint32_t chan_freq);
 /* / Populate a tDot11fIEChannelSwitchWrapper */
 void
 populate_dot11f_chan_switch_wrapper(struct mac_context *mac,
diff --git a/core/mac/src/pe/lim/lim_assoc_utils.c b/core/mac/src/pe/lim/lim_assoc_utils.c
index 46df2c47eee5..261f1a554476 100644
--- a/core/mac/src/pe/lim/lim_assoc_utils.c
+++ b/core/mac/src/pe/lim/lim_assoc_utils.c
@@ -4485,9 +4485,8 @@ QDF_STATUS lim_is_dot11h_power_capabilities_in_range(struct mac_context *mac,
 	int8_t localMaxTxPower;
 	uint8_t local_pwr_constraint;
 
-	localMaxTxPower = lim_get_regulatory_max_transmit_power(
-					mac, wlan_reg_freq_to_chan(
-					mac->pdev, pe_session->curr_op_freq));
+	localMaxTxPower = wlan_reg_get_channel_reg_power_for_freq(
+					mac->pdev, pe_session->curr_op_freq);
 
 	local_pwr_constraint = mac->mlme_cfg->power.local_power_constraint;
 	localMaxTxPower -= (int8_t)local_pwr_constraint;
diff --git a/core/mac/src/pe/lim/lim_ft.c b/core/mac/src/pe/lim/lim_ft.c
index 14457e9598e3..fa78ca743f9d 100644
--- a/core/mac/src/pe/lim/lim_ft.c
+++ b/core/mac/src/pe/lim/lim_ft.c
@@ -611,11 +611,11 @@ void lim_fill_ft_session(struct mac_context *mac,
 		ft_session->shortSlotTimeSupported = true;
 	}
 
-	regMax = lim_get_regulatory_max_transmit_power(
-		mac, wlan_reg_freq_to_chan(mac->pdev,
-					   ft_session->curr_op_freq));
+	regMax = wlan_reg_get_channel_reg_power_for_freq(
+		mac->pdev, ft_session->curr_op_freq);
 	localPowerConstraint = regMax;
 	lim_extract_ap_capability(mac, (uint8_t *) pbssDescription->ieFields,
+
 		lim_get_ielen_from_bss_description(pbssDescription),
 		&ft_session->limCurrentBssQosCaps,
 		&currentBssUapsd,
diff --git a/core/mac/src/pe/lim/lim_process_sme_req_messages.c b/core/mac/src/pe/lim/lim_process_sme_req_messages.c
index 3b8caf8aaf62..35c3645f96b9 100644
--- a/core/mac/src/pe/lim/lim_process_sme_req_messages.c
+++ b/core/mac/src/pe/lim/lim_process_sme_req_messages.c
@@ -634,10 +634,8 @@ __lim_handle_sme_start_bss_request(struct mac_context *mac_ctx, uint32_t *msg_bu
 		/* Update the phymode */
 		session->gLimPhyMode = sme_start_bss_req->nwType;
 
-		session->maxTxPower =
-			lim_get_regulatory_max_transmit_power(mac_ctx,
-				wlan_reg_freq_to_chan(
-				mac_ctx->pdev, session->curr_op_freq));
+		session->maxTxPower = wlan_reg_get_channel_reg_power_for_freq(
+			mac_ctx->pdev, session->curr_op_freq);
 		/* Store the dot 11 mode in to the session Table */
 		session->dot11mode = sme_start_bss_req->dot11mode;
 #ifdef FEATURE_WLAN_MCC_TO_SCC_SWITCH
@@ -1591,9 +1589,8 @@ __lim_process_sme_join_req(struct mac_context *mac_ctx, void *msg_buf)
 		session->limCurrentBssCaps =
 			session->lim_join_req->bssDescription.capabilityInfo;
 
-		reg_max = lim_get_regulatory_max_transmit_power(
-			mac_ctx, wlan_reg_freq_to_chan(mac_ctx->pdev,
-						       session->curr_op_freq));
+		reg_max = wlan_reg_get_channel_reg_power_for_freq(
+			mac_ctx->pdev, session->curr_op_freq);
 		local_power_constraint = reg_max;
 
 		lim_extract_ap_capability(mac_ctx,
@@ -1919,9 +1916,8 @@ static void __lim_process_sme_reassoc_req(struct mac_context *mac_ctx,
 
 	session_entry->limReassocBssCaps =
 		session_entry->pLimReAssocReq->bssDescription.capabilityInfo;
-	reg_max = lim_get_regulatory_max_transmit_power(
-		mac_ctx, wlan_reg_freq_to_chan(
-		mac_ctx->pdev, session_entry->curr_op_freq));
+	reg_max = wlan_reg_get_channel_reg_power_for_freq(
+		mac_ctx->pdev, session_entry->curr_op_freq);
 	local_pwr_constraint = reg_max;
 
 	lim_extract_ap_capability(mac_ctx,
diff --git a/core/mac/src/pe/lim/lim_utils.c b/core/mac/src/pe/lim/lim_utils.c
index 3eddda122aea..425fc649bb94 100644
--- a/core/mac/src/pe/lim/lim_utils.c
+++ b/core/mac/src/pe/lim/lim_utils.c
@@ -8193,79 +8193,6 @@ void lim_send_start_bss_confirm(struct mac_context *mac_ctx,
 	}
 }
 
-/**
- * lim_get_dot11d_transmit_power() - regulatory max transmit power
- * @mac: pointer to mac data
- * @channel: channel number
- *
- * Return:  int8_t - power
- */
-static int8_t
-lim_get_dot11d_transmit_power(struct mac_context *mac, uint8_t channel)
-{
-	uint32_t cfg_length = 0;
-	int8_t max_tx_pwr = 0;
-	tSirMacChanInfo *country_info = NULL;
-	uint8_t count = 0;
-	uint8_t first_channel;
-	uint8_t maxChannels;
-	int32_t rem_length = 0;
-
-	if (WLAN_REG_IS_5GHZ_CH(channel))
-		cfg_length = mac->mlme_cfg->power.max_tx_power_5.len;
-	else if (WLAN_REG_IS_24GHZ_CH(channel))
-		cfg_length = mac->mlme_cfg->power.max_tx_power_24.len;
-	else
-		return max_tx_pwr;
-
-	country_info = qdf_mem_malloc(cfg_length);
-	if (!country_info)
-		goto error;
-
-	if (WLAN_REG_IS_5GHZ_CH(channel)) {
-		if (cfg_length > CFG_MAX_TX_POWER_5_LEN)
-			goto error;
-		qdf_mem_copy(country_info,
-			     mac->mlme_cfg->power.max_tx_power_5.data,
-			     cfg_length);
-	} else if (WLAN_REG_IS_24GHZ_CH(channel)) {
-		if (cfg_length > CFG_MAX_TX_POWER_2_4_LEN)
-			goto error;
-		qdf_mem_copy(country_info,
-			     mac->mlme_cfg->power.max_tx_power_24.data,
-			     cfg_length);
-	}
-
-	/* Identify the channel and maxtxpower */
-	rem_length = cfg_length;
-	while (rem_length >= (sizeof(tSirMacChanInfo))) {
-		first_channel = wlan_reg_freq_to_chan(
-					mac->pdev,
-					country_info[count].first_freq);
-		maxChannels = country_info[count].numChannels;
-		max_tx_pwr = country_info[count].maxTxPower;
-		count++;
-		rem_length -= (sizeof(tSirMacChanInfo));
-
-		if ((channel >= first_channel) &&
-		    (channel < (first_channel + maxChannels))) {
-			break;
-		}
-	}
-
-error:
-	if (country_info)
-		qdf_mem_free(country_info);
-
-	return max_tx_pwr;
-}
-
-int8_t lim_get_regulatory_max_transmit_power(struct mac_context *mac,
-					     uint8_t channel)
-{
-	return lim_get_dot11d_transmit_power(mac, channel);
-}
-
 QDF_STATUS lim_get_capability_info(struct mac_context *mac, uint16_t *pcap,
 				   struct pe_session *pe_session)
 {
diff --git a/core/mac/src/pe/lim/lim_utils.h b/core/mac/src/pe/lim/lim_utils.h
index 4e35d67c0b12..3d9a689d3ddf 100644
--- a/core/mac/src/pe/lim/lim_utils.h
+++ b/core/mac/src/pe/lim/lim_utils.h
@@ -1831,17 +1831,6 @@ static inline void lim_copy_set_key_req_mac_addr(struct qdf_mac_addr *dst,
 }
 #endif
 
-/**
- * lim_get_regulatory_max_transmit_power() - Get regulatory max transmit
- * power on given channel
- * @mac:     pointer to mac data
- * @channel: channel number
- *
- * Return:  int8_t - power
- */
-int8_t lim_get_regulatory_max_transmit_power(struct mac_context *mac,
-					     uint8_t channel);
-
 /**
  * lim_get_capability_info() - Get capability information
  * @mac:        pointer to mac data
diff --git a/core/mac/src/pe/sch/sch_beacon_gen.c b/core/mac/src/pe/sch/sch_beacon_gen.c
index db71ba129bdd..deeaea47a537 100644
--- a/core/mac/src/pe/sch/sch_beacon_gen.c
+++ b/core/mac/src/pe/sch/sch_beacon_gen.c
@@ -460,9 +460,7 @@ sch_set_fixed_beacon_fields(struct mac_context *mac_ctx, struct pe_session *sess
 		populate_dot11f_vht_tx_power_env(mac_ctx,
 						 &bcn_2->vht_transmit_power_env,
 						 session->ch_width,
-						 wlan_reg_freq_to_chan(
-						 mac_ctx->pdev,
-						 session->curr_op_freq));
+						 session->curr_op_freq);
 		populate_dot11f_qcn_ie(mac_ctx, &bcn_2->qcn_ie,
 				       QCN_IE_ATTR_ID_ALL);
 	}
diff --git a/core/mac/src/pe/sch/sch_beacon_process.c b/core/mac/src/pe/sch/sch_beacon_process.c
index 047f20814734..0847e44909f1 100644
--- a/core/mac/src/pe/sch/sch_beacon_process.c
+++ b/core/mac/src/pe/sch/sch_beacon_process.c
@@ -854,9 +854,8 @@ static void __sch_beacon_process_for_session(struct mac_context *mac_ctx,
 					rx_pkt_info, session,
 					&beaconParams, &sendProbeReq, pMh);
 	/* Obtain the Max Tx power for the current regulatory  */
-	regMax = lim_get_regulatory_max_transmit_power(
-				mac_ctx, wlan_reg_freq_to_chan(
-				mac_ctx->pdev, session->curr_op_freq));
+	regMax = wlan_reg_get_channel_reg_power_for_freq(
+				mac_ctx->pdev, session->curr_op_freq);
 
 	local_constraint = regMax;
 
diff --git a/core/mac/src/sys/legacy/src/utils/src/parser_api.c b/core/mac/src/sys/legacy/src/utils/src/parser_api.c
index d183e9100df3..18b48b1131d2 100644
--- a/core/mac/src/sys/legacy/src/utils/src/parser_api.c
+++ b/core/mac/src/sys/legacy/src/utils/src/parser_api.c
@@ -265,7 +265,7 @@ populate_dot11_supp_operating_classes(struct mac_context *mac_ptr,
 void
 populate_dot11f_vht_tx_power_env(struct mac_context *mac,
 				 tDot11fIEvht_transmit_power_env *pDot11f,
-				 enum phy_ch_width ch_width, uint8_t chan)
+				 enum phy_ch_width ch_width, uint32_t chan_freq)
 {
 	uint8_t num_tx_power, i, tx_power;
 	int reg_max;
@@ -292,7 +292,7 @@ populate_dot11f_vht_tx_power_env(struct mac_context *mac,
 		return;
 	}
 
-	reg_max = lim_get_regulatory_max_transmit_power(mac, chan);
+	reg_max = wlan_reg_get_channel_reg_power_for_freq(mac->pdev, chan_freq);
 
 	/* in 0.5 dB steps */
 	reg_max *= 2;
@@ -1761,9 +1761,8 @@ populate_dot11f_tpc_report(struct mac_context *mac,
 			nSirStatus);
 		return QDF_STATUS_E_FAILURE;
 	}
-	tx_power = lim_get_regulatory_max_transmit_power(
-				mac, wlan_reg_freq_to_chan(
-				mac->pdev, pe_session->curr_op_freq));
+	tx_power = wlan_reg_get_channel_reg_power_for_freq(
+				mac->pdev, pe_session->curr_op_freq);
 	pDot11f->tx_power = tx_power;
 	pDot11f->link_margin = 0;
 	pDot11f->present = 1;