diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/DistributedOpenstackRouterStore.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/DistributedOpenstackRouterStore.java
index d16647c..c8bd925 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/DistributedOpenstackRouterStore.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/DistributedOpenstackRouterStore.java
@@ -17,11 +17,6 @@
 
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableSet;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
 import org.onlab.util.KryoNamespace;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
@@ -48,6 +43,10 @@
 import org.openstack4j.openstack.networking.domain.NeutronRouter;
 import org.openstack4j.openstack.networking.domain.NeutronRouterInterface;
 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.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.util.Set;
@@ -75,8 +74,7 @@
 /**
  * Manages the inventory of OpenStack router and floating IP using a {@code ConsistentMap}.
  */
-@Service
-@Component(immediate = true)
+@Component(immediate = true, service = OpenstackRouterStore.class)
 public class DistributedOpenstackRouterStore
         extends AbstractStore<OpenstackRouterEvent, OpenstackRouterStoreDelegate>
         implements OpenstackRouterStore {
@@ -100,13 +98,13 @@
             .register(NeutronFloatingIP.class)
             .build();
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected CoreService coreService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected StorageService storageService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected OpenstackNetworkService osNetworkService;
 
     private final ExecutorService eventExecutor = newSingleThreadExecutor(