diff --git a/components/pmo/core/inc/wlan_pmo_wow.h b/components/pmo/core/inc/wlan_pmo_wow.h
index b3a01896a142..6ea9d5537a4b 100644
--- a/components/pmo/core/inc/wlan_pmo_wow.h
+++ b/components/pmo/core/inc/wlan_pmo_wow.h
@@ -301,10 +301,20 @@ static inline uint8_t pmo_get_wow_user_ptrn(
 }
 
 void pmo_dump_wow_ptrn(struct pmo_wow_add_pattern *ptrn);
+/**
+ * pmo_core_del_wow_pattern() - Function which will delete the WoWL pattern
+ * @vdev: pointer to the vdev
+ *
+ * This function deletes all the user WoWl patterns and default WoWl patterns
+ *
+ * Return: error if any errors encountered, QDF_STATUS_SUCCESS otherwise
+ */
+
+QDF_STATUS pmo_core_del_wow_pattern(struct wlan_objmgr_vdev *vdev);
 
 /**
- * pmo_core_add_wow_pattern() - Function which will add the WoWL pattern to be
- *			 used when PBM filtering is enabled
+ * pmo_core_add_wow_user_pattern() - Function which will add the WoWL pattern
+ *			 to be used when PBM filtering is enabled
  * @vdev: pointer to the vdev
  * @ptrn: pointer to the pattern string to be added
  *
@@ -314,7 +324,7 @@ QDF_STATUS pmo_core_add_wow_user_pattern(struct wlan_objmgr_vdev *vdev,
 			struct pmo_wow_add_pattern *ptrn);
 
 /**
- * pmo_core_del_wow_pattern() - Function which will delete the WoWL pattern
+ * pmo_core_del_wow_user_pattern() - Function which will delete the WoWL pattern
  * @vdev: pointer to the vdev
  * @ptrn: pointer to the pattern string to be delete
  *
diff --git a/components/pmo/core/src/wlan_pmo_wow.c b/components/pmo/core/src/wlan_pmo_wow.c
index a36d44f03eca..8becfcfa08e7 100644
--- a/components/pmo/core/src/wlan_pmo_wow.c
+++ b/components/pmo/core/src/wlan_pmo_wow.c
@@ -44,6 +44,35 @@ void pmo_set_wow_event_bitmap(WOW_WAKE_EVENT_TYPE event,
 	bitmask[idx] |= 1 << bit_idx;
 }
 
+QDF_STATUS pmo_core_del_wow_pattern(struct wlan_objmgr_vdev *vdev)
+{
+	QDF_STATUS status;
+	uint8_t id;
+	uint8_t pattern_count;
+	struct pmo_vdev_priv_obj *vdev_ctx;
+
+	pmo_enter();
+	status = pmo_vdev_get_ref(vdev);
+	if (QDF_IS_STATUS_ERROR(status))
+		goto out;
+
+	vdev_ctx = pmo_vdev_get_priv(vdev);
+	pattern_count = pmo_get_wow_default_ptrn(vdev_ctx);
+	/* clear all default patterns cofigured by pmo */
+	for (id = 0; id < pattern_count; id++)
+		status = pmo_tgt_del_wow_pattern(vdev, id, false);
+
+	/* clear all user patterns cofigured by pmo */
+	pattern_count = pmo_get_wow_user_ptrn(vdev_ctx);
+	for (id = 0; id < pattern_count; id++)
+		status = pmo_tgt_del_wow_pattern(vdev, id, true);
+
+	pmo_vdev_put_ref(vdev);
+out:
+	pmo_exit();
+	return status;
+}
+
 QDF_STATUS pmo_core_add_wow_user_pattern(struct wlan_objmgr_vdev *vdev,
 		struct pmo_wow_add_pattern *ptrn)
 {
diff --git a/components/pmo/dispatcher/inc/wlan_pmo_ucfg_api.h b/components/pmo/dispatcher/inc/wlan_pmo_ucfg_api.h
index e8f6e8bdad79..b759d3a6c6ee 100644
--- a/components/pmo/dispatcher/inc/wlan_pmo_ucfg_api.h
+++ b/components/pmo/dispatcher/inc/wlan_pmo_ucfg_api.h
@@ -818,6 +818,15 @@ QDF_STATUS
 ucfg_pmo_add_wow_user_pattern(struct wlan_objmgr_vdev *vdev,
 			      struct pmo_wow_add_pattern *ptrn);
 
+/**
+ * ucfg_pmo_del_wow_pattern() - Delete WoWl patterns
+ * @vdev: objmgr vdev
+ *
+ * Return:QDF_STATUS_SUCCESS on success else error code
+ */
+QDF_STATUS
+ucfg_pmo_del_wow_pattern(struct wlan_objmgr_vdev *vdev);
+
 QDF_STATUS
 ucfg_pmo_del_wow_user_pattern(struct wlan_objmgr_vdev *vdev,
 			      uint8_t pattern_id);
@@ -1395,6 +1404,12 @@ ucfg_pmo_del_wow_user_pattern(
 	return QDF_STATUS_SUCCESS;
 }
 
+QDF_STATUS
+ucfg_pmo_del_wow_pattern(struct wlan_objmgr_vdev *vdev)
+{
+	return QDF_STATUS_SUCCESS;
+}
+
 static inline QDF_STATUS
 ucfg_pmo_psoc_bus_resume_req(
 		struct wlan_objmgr_psoc *psoc,
diff --git a/components/pmo/dispatcher/src/wlan_pmo_ucfg_api.c b/components/pmo/dispatcher/src/wlan_pmo_ucfg_api.c
index daf1d2ce026f..b9d4a6c67105 100644
--- a/components/pmo/dispatcher/src/wlan_pmo_ucfg_api.c
+++ b/components/pmo/dispatcher/src/wlan_pmo_ucfg_api.c
@@ -414,6 +414,12 @@ ucfg_pmo_add_wow_user_pattern(struct wlan_objmgr_vdev *vdev,
 	return pmo_core_add_wow_user_pattern(vdev, ptrn);
 }
 
+QDF_STATUS
+ucfg_pmo_del_wow_pattern(struct wlan_objmgr_vdev *vdev)
+{
+	return  pmo_core_del_wow_pattern(vdev);
+}
+
 QDF_STATUS
 ucfg_pmo_del_wow_user_pattern(struct wlan_objmgr_vdev *vdev,
 			      uint8_t pattern_id)
diff --git a/core/hdd/src/wlan_hdd_main.c b/core/hdd/src/wlan_hdd_main.c
index 3651eda32927..4e4ad329b5a7 100644
--- a/core/hdd/src/wlan_hdd_main.c
+++ b/core/hdd/src/wlan_hdd_main.c
@@ -3988,6 +3988,8 @@ int hdd_vdev_destroy(struct hdd_adapter *adapter)
 	vdev = hdd_objmgr_get_vdev(adapter);
 	if (!vdev)
 		return -EINVAL;
+
+	ucfg_pmo_del_wow_pattern(vdev);
 	status = ucfg_reg_11d_vdev_delete_update(vdev);
 	ucfg_scan_set_vdev_del_in_progress(vdev);
 	hdd_objmgr_put_vdev(adapter);