diff --git a/core/mac/src/include/parser_api.h b/core/mac/src/include/parser_api.h
index 41c8892a1952..46b1870b8879 100644
--- a/core/mac/src/include/parser_api.h
+++ b/core/mac/src/include/parser_api.h
@@ -618,11 +618,6 @@ sir_convert_auth_frame2_struct(struct mac_context *mac,
 			uint8_t *frame, uint32_t len,
 			tpSirMacAuthFrameBody auth);
 
-QDF_STATUS
-sir_convert_addts_req2_struct(struct mac_context *mac,
-			uint8_t *frame, uint32_t len,
-			tSirAddtsReqInfo *addTs);
-
 QDF_STATUS
 sir_convert_addts_rsp2_struct(struct mac_context *mac,
 			uint8_t *frame, uint32_t len,
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 e670b610cb6d..f2c08582d2e2 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
@@ -4305,130 +4305,6 @@ sir_convert_auth_frame2_struct(struct mac_context *mac,
 
 } /* End sir_convert_auth_frame2_struct. */
 
-QDF_STATUS
-sir_convert_addts_req2_struct(struct mac_context *mac,
-			      uint8_t *pFrame,
-			      uint32_t nFrame, tSirAddtsReqInfo *pAddTs)
-{
-	tDot11fAddTSRequest addts = { {0} };
-	tDot11fWMMAddTSRequest wmmaddts = { {0} };
-	uint8_t j;
-	uint16_t i;
-	uint32_t status;
-
-	if (SIR_MAC_QOS_ADD_TS_REQ != *(pFrame + 1)) {
-		pe_err("Action of %d; this is not supported & is probably an error",
-			*(pFrame + 1));
-		return QDF_STATUS_E_FAILURE;
-	}
-	/* Zero-init our [out] parameter, */
-	qdf_mem_set((uint8_t *) pAddTs, sizeof(tSirAddtsReqInfo), 0);
-
-	/* delegate to the framesc-generated code, */
-	switch (*pFrame) {
-	case SIR_MAC_ACTION_QOS_MGMT:
-		status = dot11f_unpack_add_ts_request(mac, pFrame, nFrame,
-						      &addts, false);
-		break;
-	case SIR_MAC_ACTION_WME:
-		status =
-			dot11f_unpack_wmm_add_ts_request(mac, pFrame, nFrame,
-							 &wmmaddts, false);
-		break;
-	default:
-		pe_err("Category of %d; this is not supported & is probably an error",
-			*pFrame);
-		return QDF_STATUS_E_FAILURE;
-	}
-
-	if (DOT11F_FAILED(status)) {
-		pe_err("Failed to parse an Add TS Request frame (0x%08x, %d bytes):",
-			status, nFrame);
-		QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_ERROR,
-				   pFrame, nFrame);
-		return QDF_STATUS_E_FAILURE;
-	} else if (DOT11F_WARNED(status)) {
-		pe_debug("There were warnings while unpacking an Add TS Request frame (0x%08x,%d bytes):",
-			status, nFrame);
-	}
-	/* & "transliterate" from a 'tDot11fAddTSRequest' or a */
-	/* 'tDot11WMMAddTSRequest' to a 'tSirMacAddtsReqInfo'... */
-	if (SIR_MAC_ACTION_QOS_MGMT == *pFrame) {
-		pAddTs->dialogToken = addts.DialogToken.token;
-
-		if (addts.TSPEC.present) {
-			convert_tspec(mac, &pAddTs->tspec, &addts.TSPEC);
-		} else {
-			pe_err("Mandatory TSPEC element missing in Add TS Request");
-			return QDF_STATUS_E_FAILURE;
-		}
-
-		if (addts.num_TCLAS) {
-			pAddTs->numTclas = (uint8_t) addts.num_TCLAS;
-
-			for (i = 0U; i < addts.num_TCLAS; ++i) {
-				if (QDF_STATUS_SUCCESS !=
-				    convert_tclas(mac, &(pAddTs->tclasInfo[i]),
-						  &(addts.TCLAS[i]))) {
-					pe_err("Failed to convert a TCLAS IE");
-					return QDF_STATUS_E_FAILURE;
-				}
-			}
-		}
-
-		if (addts.TCLASSPROC.present) {
-			pAddTs->tclasProcPresent = 1;
-			pAddTs->tclasProc = addts.TCLASSPROC.processing;
-		}
-
-		if (addts.WMMTSPEC.present) {
-			pAddTs->wsmTspecPresent = 1;
-			convert_wmmtspec(mac, &pAddTs->tspec, &addts.WMMTSPEC);
-		}
-
-		if (addts.num_WMMTCLAS) {
-			j = (uint8_t) (pAddTs->numTclas + addts.num_WMMTCLAS);
-			if (SIR_MAC_TCLASIE_MAXNUM < j)
-				j = SIR_MAC_TCLASIE_MAXNUM;
-
-			for (i = pAddTs->numTclas; i < j; ++i) {
-				if (QDF_STATUS_SUCCESS !=
-				    convert_wmmtclas(mac,
-						     &(pAddTs->tclasInfo[i]),
-						     &(addts.WMMTCLAS[i]))) {
-					pe_err("Failed to convert a TCLAS IE");
-					return QDF_STATUS_E_FAILURE;
-				}
-			}
-		}
-
-		if (addts.WMMTCLASPROC.present) {
-			pAddTs->tclasProcPresent = 1;
-			pAddTs->tclasProc = addts.WMMTCLASPROC.processing;
-		}
-
-		if (1 < pAddTs->numTclas && (!pAddTs->tclasProcPresent)) {
-			pe_err("%d TCLAS IE but not TCLASPROC IE",
-				pAddTs->numTclas);
-			return QDF_STATUS_E_FAILURE;
-		}
-	} else {
-		pAddTs->dialogToken = wmmaddts.DialogToken.token;
-
-		if (wmmaddts.WMMTSPEC.present) {
-			pAddTs->wmeTspecPresent = 1;
-			convert_wmmtspec(mac, &pAddTs->tspec,
-					 &wmmaddts.WMMTSPEC);
-		} else {
-			pe_err("Mandatory WME TSPEC element missing!");
-			return QDF_STATUS_E_FAILURE;
-		}
-	}
-
-	return QDF_STATUS_SUCCESS;
-
-} /* End sir_convert_addts_req2_struct. */
-
 QDF_STATUS
 sir_convert_addts_rsp2_struct(struct mac_context *mac,
 			      uint8_t *pFrame,