diff --git a/apps/dhcp/api/src/main/java/org/onosproject/dhcp/DhcpService.java b/apps/dhcp/api/src/main/java/org/onosproject/dhcp/DhcpService.java
index 84eab6e..b200605 100644
--- a/apps/dhcp/api/src/main/java/org/onosproject/dhcp/DhcpService.java
+++ b/apps/dhcp/api/src/main/java/org/onosproject/dhcp/DhcpService.java
@@ -19,7 +19,6 @@
 import org.onlab.packet.MacAddress;
 import org.onosproject.net.HostId;
 
-import java.util.List;
 import java.util.Map;
 
 
@@ -58,16 +57,12 @@
 
     /**
      * Registers a static IP mapping with the DHCP Server.
-     * Supports rangeNotEnforced option
      *
-     * @param macID macID of the client
-     * @param ipAddress IP Address requested for the client
-     * @param rangeNotEnforced true if rangeNotEnforced was set and the mapping will be eternal
-     * @param addressList subnetMask, DHCP/Router/DNS IP Addresses if rangeNotEnforced was set
+     * @param macAddress mac address to have a given ip assignment
+     * @param ipRequest ip address and dhcp options
      * @return true if the mapping was successfully added, false otherwise
      */
-    boolean setStaticMapping(MacAddress macID, Ip4Address ipAddress, boolean rangeNotEnforced,
-                             List<Ip4Address> addressList);
+    boolean setStaticMapping(MacAddress macAddress, IpAssignment ipRequest);
 
     /**
      * Removes a static IP mapping with the DHCP Server.