diff --git a/impl/src/test/java/org/opencord/olt/impl/OltTest.java b/impl/src/test/java/org/opencord/olt/impl/OltTest.java
index d968c24..9197297 100644
--- a/impl/src/test/java/org/opencord/olt/impl/OltTest.java
+++ b/impl/src/test/java/org/opencord/olt/impl/OltTest.java
@@ -39,6 +39,7 @@
 import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.store.service.TestStorageService;
+import org.opencord.olt.DiscoveredSubscriber;
 import org.opencord.sadis.SadisService;
 import org.opencord.sadis.SubscriberAndDeviceInformation;
 import org.opencord.sadis.UniTagInformation;