diff --git a/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java b/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java
index 76a46f0..55562e0 100644
--- a/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java
+++ b/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java
@@ -455,7 +455,6 @@
                 srManager.interfaceService.getInterfacesByPort(connectPoint).stream()
                         .flatMap(intf -> intf.ipAddressesList().stream())
                         .map(InterfaceIpAddress::subnetAddress)
-                        .map(IpPrefix::getIp4Prefix)
                         .collect(Collectors.toSet());
 
         if (subnets.isEmpty()) {
@@ -595,7 +594,6 @@
         return null;
     }
 
-
     /**
      * Checks if the host is in the subnet defined in the router with the
      * device ID given.