diff --git a/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java b/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java
index 32e35b0..4fca42f 100644
--- a/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java
+++ b/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java
@@ -43,6 +43,7 @@
 import org.onosproject.net.config.NetworkConfigRegistry;
 import org.onosproject.net.device.DefaultDeviceDescription;
 import org.onosproject.net.device.DeviceDescription;
+import org.onosproject.net.device.DeviceDescriptionDiscovery;
 import org.onosproject.net.device.DeviceEvent;
 import org.onosproject.net.device.DeviceListener;
 import org.onosproject.net.device.DeviceProvider;
@@ -331,10 +332,17 @@
 
     private void discoverPorts(DeviceId deviceId) {
         Device device = deviceService.getDevice(deviceId);
+        //TODO remove when PortDiscovery is removed from master
         if (device.is(PortDiscovery.class)) {
             PortDiscovery portConfig = device.as(PortDiscovery.class);
             providerService.updatePorts(deviceId,
                                         portConfig.getPorts());
+        } else if (device.is(DeviceDescriptionDiscovery.class)) {
+            DeviceDescriptionDiscovery deviceDescriptionDiscovery =
+                    device.as(DeviceDescriptionDiscovery.class);
+            providerService.updatePorts(deviceId,
+                                        deviceDescriptionDiscovery.discoverPortDetails());
+
         } else {
             log.warn("No portGetter behaviour for device {}", deviceId);
         }
@@ -343,7 +351,7 @@
     /**
      * Return the DeviceId about the device containing the URI.
      *
-     * @param ip IP address
+     * @param ip   IP address
      * @param port port number
      * @return DeviceId
      */
diff --git a/providers/rest/device/src/main/java/org/onosproject/provider/rest/device/impl/RestDeviceProvider.java b/providers/rest/device/src/main/java/org/onosproject/provider/rest/device/impl/RestDeviceProvider.java
index 5b60fb9..eaafc30 100644
--- a/providers/rest/device/src/main/java/org/onosproject/provider/rest/device/impl/RestDeviceProvider.java
+++ b/providers/rest/device/src/main/java/org/onosproject/provider/rest/device/impl/RestDeviceProvider.java
@@ -40,11 +40,11 @@
 import org.onosproject.net.config.NetworkConfigRegistry;
 import org.onosproject.net.device.DefaultDeviceDescription;
 import org.onosproject.net.device.DeviceDescription;
+import org.onosproject.net.device.DeviceDescriptionDiscovery;
 import org.onosproject.net.device.DeviceProvider;
 import org.onosproject.net.device.DeviceProviderRegistry;
 import org.onosproject.net.device.DeviceProviderService;
-import org.onosproject.net.driver.DriverHandler;
-import org.onosproject.net.driver.DriverService;
+import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.provider.AbstractProvider;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.protocol.rest.RestSBController;
@@ -93,7 +93,7 @@
     protected CoreService coreService;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected DriverService driverService;
+    protected DeviceService deviceService;
 
 
     private DeviceProviderService providerService;
@@ -219,19 +219,27 @@
             log.error("Configuration error {}", e);
         }
         log.debug("REST Devices {}", controller.getDevices());
-        addedDevices.forEach(deviceId -> {
-            DriverHandler h = driverService.createHandler(deviceId);
-            PortDiscovery portConfig = h.behaviour(PortDiscovery.class);
-            if (portConfig != null) {
-                providerService.updatePorts(deviceId, portConfig.getPorts());
-            } else {
-                log.warn("No portGetter behaviour for device {}", deviceId);
-            }
-        });
+        addedDevices.forEach(this::discoverPorts);
         addedDevices.clear();
 
     }
 
+    private void discoverPorts(DeviceId deviceId) {
+        Device device = deviceService.getDevice(deviceId);
+        //TODO remove when PortDiscovery is removed from master
+        if (device.is(PortDiscovery.class)) {
+            PortDiscovery portConfig = device.as(PortDiscovery.class);
+            providerService.updatePorts(deviceId,
+                                        portConfig.getPorts());
+        } else if (device.is(DeviceDescriptionDiscovery.class)) {
+            DeviceDescriptionDiscovery deviceDescriptionDiscovery =
+                    device.as(DeviceDescriptionDiscovery.class);
+            providerService.updatePorts(deviceId, deviceDescriptionDiscovery.discoverPortDetails());
+        } else {
+            log.warn("No portGetter behaviour for device {}", deviceId);
+        }
+    }
+
     private boolean testDeviceConnection(RestSBDevice device) {
         try {
             return controller.get(device.deviceId(), "", "json") != null;
diff --git a/providers/snmp/device/src/main/java/org/onosproject/provider/snmp/device/impl/SnmpDeviceProvider.java b/providers/snmp/device/src/main/java/org/onosproject/provider/snmp/device/impl/SnmpDeviceProvider.java
index 01fb738..280d3ff 100644
--- a/providers/snmp/device/src/main/java/org/onosproject/provider/snmp/device/impl/SnmpDeviceProvider.java
+++ b/providers/snmp/device/src/main/java/org/onosproject/provider/snmp/device/impl/SnmpDeviceProvider.java
@@ -287,9 +287,13 @@
                 if (d.is(DeviceDescriptionDiscovery.class)) {
                     DeviceDescriptionDiscovery descriptionDiscovery = d.as(DeviceDescriptionDiscovery.class);
                     DeviceDescription description = descriptionDiscovery.discoverDeviceDetails();
-                    deviceStore.createOrUpdateDevice(
-                            new ProviderId("snmp", "org.onosproject.provider.device"),
-                            did, description);
+                    if (description != null) {
+                        deviceStore.createOrUpdateDevice(
+                                new ProviderId("snmp", "org.onosproject.provider.device"),
+                                did, description);
+                    } else {
+                        log.info("No other description given for device {}", d.id());
+                    }
                     providerService.updatePorts(did, descriptionDiscovery.discoverPortDetails());
                 } else {
                     log.warn("No populate description and ports behaviour for device {}", did);