diff --git a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbBridgeName.java b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbBridgeName.java
index 899799f..759ec49 100644
--- a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbBridgeName.java
+++ b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbBridgeName.java
@@ -49,7 +49,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(value);
+        return value.hashCode();
     }
 
     @Override
diff --git a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbDatapathId.java b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbDatapathId.java
index 8ccf45f..02989af 100644
--- a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbDatapathId.java
+++ b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbDatapathId.java
@@ -47,7 +47,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(value);
+        return value.hashCode();
     }
 
     @Override
diff --git a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbIfaceId.java b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbIfaceId.java
index 10ba80b..bf724fa 100644
--- a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbIfaceId.java
+++ b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbIfaceId.java
@@ -47,7 +47,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(value);
+        return value.hashCode();
     }
 
     @Override
diff --git a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbNodeId.java b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbNodeId.java
index 48a833b..d7a5f61 100644
--- a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbNodeId.java
+++ b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbNodeId.java
@@ -44,7 +44,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(nodeId);
+        return nodeId.hashCode();
     }
 
     @Override
diff --git a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortName.java b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortName.java
index d9c7c2d..7d40e99 100644
--- a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortName.java
+++ b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortName.java
@@ -49,7 +49,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(value);
+        return value.hashCode();
     }
 
     @Override
diff --git a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortNumber.java b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortNumber.java
index bd094d0..86fc887 100644
--- a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortNumber.java
+++ b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortNumber.java
@@ -47,7 +47,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(value);
+        return Objects.hashCode(value);
     }
 
     @Override
diff --git a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortType.java b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortType.java
index e019859..fb7cdb0 100644
--- a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortType.java
+++ b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortType.java
@@ -49,7 +49,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(value);
+        return value.hashCode();
     }
 
     @Override
diff --git a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbTunnelName.java b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbTunnelName.java
index 80befab..490d640 100644
--- a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbTunnelName.java
+++ b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbTunnelName.java
@@ -48,7 +48,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(value);
+        return value.hashCode();
     }
 
     @Override