diff --git a/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java b/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java
index 20ccb55..444feee 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/constraint/BandwidthConstraint.java
@@ -87,7 +87,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(bandwidth);
+        return bandwidth.hashCode();
     }
 
     @Override
diff --git a/core/api/src/main/java/org/onosproject/net/intent/constraint/LambdaConstraint.java b/core/api/src/main/java/org/onosproject/net/intent/constraint/LambdaConstraint.java
index 9dd813b..7811a00 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/constraint/LambdaConstraint.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/constraint/LambdaConstraint.java
@@ -69,7 +69,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(lambda);
+        return Objects.hashCode(lambda);
     }
 
     @Override
diff --git a/core/api/src/main/java/org/onosproject/net/intent/constraint/LatencyConstraint.java b/core/api/src/main/java/org/onosproject/net/intent/constraint/LatencyConstraint.java
index 54eb4ea..aecef87 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/constraint/LatencyConstraint.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/constraint/LatencyConstraint.java
@@ -67,7 +67,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(latency);
+        return latency.hashCode();
     }
 
     @Override
diff --git a/core/api/src/main/java/org/onosproject/net/intent/constraint/ObstacleConstraint.java b/core/api/src/main/java/org/onosproject/net/intent/constraint/ObstacleConstraint.java
index cb1e6b2..ca4f3fd 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/constraint/ObstacleConstraint.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/constraint/ObstacleConstraint.java
@@ -66,7 +66,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(obstacles);
+        return obstacles.hashCode();
     }
 
     @Override
diff --git a/core/api/src/main/java/org/onosproject/net/intent/constraint/WaypointConstraint.java b/core/api/src/main/java/org/onosproject/net/intent/constraint/WaypointConstraint.java
index 1acf6df..4839fee 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/constraint/WaypointConstraint.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/constraint/WaypointConstraint.java
@@ -91,7 +91,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(waypoints);
+        return waypoints.hashCode();
     }
 
     @Override