diff --git a/core/mac/inc/sir_api.h b/core/mac/inc/sir_api.h
index ac03ab522b..61bca2609e 100644
--- a/core/mac/inc/sir_api.h
+++ b/core/mac/inc/sir_api.h
@@ -1141,7 +1141,6 @@ typedef struct sSirSmeAssocCnf {
 	struct qdf_mac_addr bssid;      /* Self BSSID */
 	struct qdf_mac_addr peer_macaddr;
 	uint16_t aid;
-	uint8_t alternateChannelId;
 } tSirSmeAssocCnf, *tpSirSmeAssocCnf;
 
 /* / Enum definition for  Wireless medium status change codes */
diff --git a/core/sme/inc/csr_api.h b/core/sme/inc/csr_api.h
index 49a37cf79e..3ce2fbdc23 100644
--- a/core/sme/inc/csr_api.h
+++ b/core/sme/inc/csr_api.h
@@ -1186,7 +1186,6 @@ typedef struct sSirSmeAssocIndToUpperLayerCnf {
 	tSirMacAddr bssId;      /* Self BSSID */
 	tSirMacAddr peerMacAddr;
 	uint16_t aid;
-	uint8_t alternateChannelId;
 	uint8_t wmmEnabledSta;  /* set to true if WMM enabled STA */
 	tSirRSNie rsnIE;        /* RSN IE received from peer */
 	tSirWAPIie wapiIE;      /* WAPI IE received from peer */
diff --git a/core/sme/src/csr/csr_api_roam.c b/core/sme/src/csr/csr_api_roam.c
index 6ea87192c6..71d13238a1 100644
--- a/core/sme/src/csr/csr_api_roam.c
+++ b/core/sme/src/csr/csr_api_roam.c
@@ -15502,9 +15502,6 @@ QDF_STATUS csr_send_assoc_cnf_msg(struct mac_context *mac, tpSirSmeAssocInd
 		/* aid */
 		pMsg->aid = pAssocInd->aid;
 
-		/* alternateChannelId */
-		pMsg->alternateChannelId = 11;
-
 		msg.type = pMsg->messageType;
 		msg.bodyval = 0;
 		msg.bodyptr = pMsg;
@@ -15554,9 +15551,6 @@ QDF_STATUS csr_send_assoc_ind_to_upper_layer_cnf_msg(struct mac_context *mac,
 		pBuf = (uint8_t *)&pMsg->aid;
 		wTmp = pAssocInd->staId;
 		qdf_mem_copy(pBuf, &wTmp, sizeof(uint16_t));
-		/* alternateChannelId */
-		pBuf = (uint8_t *)&pMsg->alternateChannelId;
-		*pBuf = 11;
 		/*
 		 * Instead of copying roam Info,just copy WmmEnabled,
 		 * RsnIE information.