diff --git a/core/hdd/inc/wlan_hdd_wmm.h b/core/hdd/inc/wlan_hdd_wmm.h
index ead0a7829c7ea..c33d126c56adc 100644
--- a/core/hdd/inc/wlan_hdd_wmm.h
+++ b/core/hdd/inc/wlan_hdd_wmm.h
@@ -325,18 +325,6 @@ QDF_STATUS hdd_wmm_connect(struct hdd_adapter *adapter,
 			   struct csr_roam_info *roam_info,
 			   eCsrRoamBssType eBssType);
 
-/**
- * hdd_wmm_get_uapsd_mask() - Function which will calculate the
- * initial value of the UAPSD mask based upon the device configuration
- *
- * @adapter  : [in]  pointer to adapter context
- * @pUapsdMask: [out] pointer to where the UAPSD Mask is to be stored
- *
- * Return: QDF_STATUS enumeration
- */
-QDF_STATUS hdd_wmm_get_uapsd_mask(struct hdd_adapter *adapter,
-				  uint8_t *pUapsdMask);
-
 /**
  * hdd_wmm_is_active() - Function which will determine if WMM is
  * active on the current connection
diff --git a/core/hdd/src/wlan_hdd_wmm.c b/core/hdd/src/wlan_hdd_wmm.c
index d6cb20ae15ec9..4b348f6983914 100644
--- a/core/hdd/src/wlan_hdd_wmm.c
+++ b/core/hdd/src/wlan_hdd_wmm.c
@@ -2251,88 +2251,6 @@ QDF_STATUS hdd_wmm_connect(struct hdd_adapter *adapter,
 	return QDF_STATUS_SUCCESS;
 }
 
-/**
- * hdd_wmm_get_uapsd_mask() - Function which will calculate the
- * initial value of the UAPSD mask based upon the device configuration
- *
- * @adapter  : [in]  pointer to adapter context
- * @pUapsdMask: [out] pointer to where the UAPSD Mask is to be stored
- *
- * Return: QDF_STATUS enumeration
- */
-QDF_STATUS hdd_wmm_get_uapsd_mask(struct hdd_adapter *adapter,
-				  uint8_t *pUapsdMask)
-{
-	uint8_t uapsdMask;
-	QDF_STATUS status;
-	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
-	uint32_t uapsd_value = 0;
-	uint8_t wmm_mode = 0;
-
-	status = ucfg_mlme_get_wmm_mode(hdd_ctx->psoc, &wmm_mode);
-	if (!QDF_IS_STATUS_SUCCESS(status)) {
-		hdd_err("Get wmm_mode failed");
-		return QDF_STATUS_E_FAILURE;
-	}
-
-	if (HDD_WMM_USER_MODE_NO_QOS == wmm_mode) {
-		/* no QOS then no UAPSD */
-		uapsdMask = 0;
-	} else {
-		/* start with the default mask */
-		status = ucfg_mlme_get_wmm_uapsd_mask(hdd_ctx->psoc,
-						      &uapsdMask);
-		if (!QDF_IS_STATUS_SUCCESS(status)) {
-			hdd_err("Get uapsd_mask failed");
-			return QDF_STATUS_E_FAILURE;
-		}
-
-		/* disable UAPSD for any ACs with a 0 Service Interval */
-		status = ucfg_mlme_get_wmm_uapsd_vo_srv_intv(hdd_ctx->psoc,
-							     &uapsd_value);
-		if (QDF_IS_STATUS_ERROR(status)) {
-			hdd_err("Get uapsd_srv_intv failed");
-			return QDF_STATUS_E_FAILURE;
-		}
-
-		if (uapsd_value == 0)
-			uapsdMask &= ~HDD_AC_VO;
-
-		status = ucfg_mlme_get_wmm_uapsd_vi_srv_intv(
-			hdd_ctx->psoc, &uapsd_value);
-		if (!QDF_IS_STATUS_SUCCESS(status)) {
-			hdd_err("Get uapsd_vi_srv_intv failed");
-			return QDF_STATUS_E_FAILURE;
-		}
-		if (uapsd_value == 0) {
-			uapsdMask &= ~HDD_AC_VI;
-		}
-
-		status = ucfg_mlme_get_wmm_uapsd_bk_srv_intv(hdd_ctx->psoc,
-							     &uapsd_value);
-		if (!QDF_IS_STATUS_SUCCESS(status)) {
-			hdd_err("Get uapsd_bk_srv_intv failed");
-			return QDF_STATUS_E_FAILURE;
-		}
-		if (uapsd_value == 0)
-			uapsdMask &= ~HDD_AC_BK;
-
-		status = ucfg_mlme_get_wmm_uapsd_be_srv_intv(hdd_ctx->psoc,
-							     &uapsd_value);
-		if (!QDF_IS_STATUS_SUCCESS(status)) {
-			hdd_err("Get uapsd_be_srv_intv failed");
-			return QDF_STATUS_E_FAILURE;
-		}
-		if (uapsd_value == 0) {
-			uapsdMask &= ~HDD_AC_BE;
-		}
-	}
-
-	/* return calculated mask */
-	*pUapsdMask = uapsdMask;
-	return QDF_STATUS_SUCCESS;
-}
-
 /**
  * hdd_wmm_is_active() - Function which will determine if WMM is
  * active on the current connection