diff --git a/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java b/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java
index ef3bb83..2a897a5 100644
--- a/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java
+++ b/src/main/java/net/onrc/onos/apps/proxyarp/ProxyArpManager.java
@@ -23,9 +23,9 @@
 import net.floodlightcontroller.restserver.IRestApiService;
 import net.floodlightcontroller.util.MACAddress;
 import net.onrc.onos.apps.bgproute.Interface;
-import net.onrc.onos.datagrid.IDatagridService;
-import net.onrc.onos.datagrid.IEventChannel;
-import net.onrc.onos.datagrid.IEventChannelListener;
+import net.onrc.onos.core.datagrid.IDatagridService;
+import net.onrc.onos.core.datagrid.IEventChannel;
+import net.onrc.onos.core.datagrid.IEventChannelListener;
 import net.onrc.onos.ofcontroller.core.config.IConfigInfoService;
 import net.onrc.onos.ofcontroller.devicemanager.IOnosDeviceService;
 import net.onrc.onos.ofcontroller.flowprogrammer.IFlowPusherService;