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 e54e90f..a0626df 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
@@ -19,13 +19,6 @@
 import com.google.common.base.Objects;
 import com.google.common.base.Preconditions;
 import com.google.common.util.concurrent.Striped;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Modified;
-import org.apache.felix.scr.annotations.Property;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.onlab.packet.ChassisId;
 import org.onlab.util.Tools;
 import org.onosproject.cfg.ComponentConfigService;
@@ -69,6 +62,12 @@
 import org.onosproject.netconf.NetconfException;
 import org.onosproject.netconf.config.NetconfDeviceConfig;
 import org.osgi.service.component.ComponentContext;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Modified;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.io.IOException;
@@ -106,28 +105,28 @@
 
     private final Logger log = getLogger(getClass());
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DeviceProviderRegistry providerRegistry;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected NetconfController controller;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected NetworkConfigRegistry cfgService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected CoreService coreService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DeviceService deviceService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DeviceKeyAdminService deviceKeyAdminService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected MastershipService mastershipService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected ComponentConfigService componentConfigService;
 
 
@@ -142,15 +141,15 @@
     private static final int CORE_POOL_SIZE = 10;
 
     private static final int DEFAULT_POLL_FREQUENCY_SECONDS = 30;
-    @Property(name = "pollFrequency", intValue = DEFAULT_POLL_FREQUENCY_SECONDS,
-            label = "Configure poll frequency for port status and statistics; " +
-                    "default is 30 sec")
+    //@Property(name = "pollFrequency", intValue = DEFAULT_POLL_FREQUENCY_SECONDS,
+    //        label = "Configure poll frequency for port status and statistics; " +
+    //                "default is 30 sec")
     private int pollFrequency = DEFAULT_POLL_FREQUENCY_SECONDS;
 
     private static final int DEFAULT_MAX_RETRIES = 5;
-    @Property(name = "maxRetries", intValue = DEFAULT_MAX_RETRIES,
-            label = "Configure maximum allowed number of retries for obtaining list of ports; " +
-                    "default is 5 times")
+    //@Property(name = "maxRetries", intValue = DEFAULT_MAX_RETRIES,
+    //        label = "Configure maximum allowed number of retries for obtaining list of ports; " +
+    //                "default is 5 times")
     private int maxRetries = DEFAULT_MAX_RETRIES;
 
     protected ExecutorService executor =