--- a/src/SDIO/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c
+++ b/src/SDIO/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c
@@ -781,7 +781,7 @@ static void rwnx_csa_finish(struct work_
 		} else
 			rwnx_txq_vif_stop(vif, RWNX_TXQ_STOP_CHAN, rwnx_hw);
 		spin_unlock_bh(&rwnx_hw->cb_lock);
-#if (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION3)
+#if (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION3) && !defined(BUILD_OPENWRT)
 		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0, 0);
 #elif (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION)
 		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0);
@@ -5561,7 +5561,7 @@ int rwnx_cfg80211_channel_switch (struct
 		goto end;
 	} else {
 		INIT_WORK(&csa->work, rwnx_csa_finish);
-#if LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION4
+#if LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION4 && !defined(BUILD_OPENWRT)
 		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false, 0);
 #elif LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION2
 		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false);