diff --git a/core/api/src/main/java/org/onosproject/net/resource/link/BandwidthResourceAllocation.java b/core/api/src/main/java/org/onosproject/net/resource/link/BandwidthResourceAllocation.java
index 74f6e10..05cf28f 100644
--- a/core/api/src/main/java/org/onosproject/net/resource/link/BandwidthResourceAllocation.java
+++ b/core/api/src/main/java/org/onosproject/net/resource/link/BandwidthResourceAllocation.java
@@ -53,7 +53,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(bandwidth);
+        return bandwidth.hashCode();
     }
 
     @Override
diff --git a/core/api/src/main/java/org/onosproject/net/resource/link/BandwidthResourceRequest.java b/core/api/src/main/java/org/onosproject/net/resource/link/BandwidthResourceRequest.java
index e07309c..722b870 100644
--- a/core/api/src/main/java/org/onosproject/net/resource/link/BandwidthResourceRequest.java
+++ b/core/api/src/main/java/org/onosproject/net/resource/link/BandwidthResourceRequest.java
@@ -53,7 +53,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(bandwidth);
+        return bandwidth.hashCode();
     }
 
     @Override
diff --git a/core/api/src/main/java/org/onosproject/net/resource/link/LambdaResourceAllocation.java b/core/api/src/main/java/org/onosproject/net/resource/link/LambdaResourceAllocation.java
index 545f025..161cf45 100644
--- a/core/api/src/main/java/org/onosproject/net/resource/link/LambdaResourceAllocation.java
+++ b/core/api/src/main/java/org/onosproject/net/resource/link/LambdaResourceAllocation.java
@@ -53,7 +53,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(lambda);
+        return Objects.hashCode(lambda);
     }
 
     @Override
diff --git a/core/api/src/main/java/org/onosproject/net/resource/link/MplsLabelResourceAllocation.java b/core/api/src/main/java/org/onosproject/net/resource/link/MplsLabelResourceAllocation.java
index 1091153..cc9edc2 100644
--- a/core/api/src/main/java/org/onosproject/net/resource/link/MplsLabelResourceAllocation.java
+++ b/core/api/src/main/java/org/onosproject/net/resource/link/MplsLabelResourceAllocation.java
@@ -54,7 +54,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(mplsLabel);
+        return Objects.hashCode(mplsLabel);
     }
 
     @Override