diff --git a/core/api/src/test/java/org/onosproject/store/service/DocumentPathTest.java b/core/api/src/test/java/org/onosproject/store/service/DocumentPathTest.java
index c0137c8..19c34bd 100644
--- a/core/api/src/test/java/org/onosproject/store/service/DocumentPathTest.java
+++ b/core/api/src/test/java/org/onosproject/store/service/DocumentPathTest.java
@@ -73,6 +73,7 @@
         DocumentPath path1 = exceptions("node|name", parentPath);
     }
 
+    @SuppressWarnings("SelfComparison")
     @Test
     public void comparePaths() {
         DocumentPath one = path("root");
diff --git a/core/api/src/test/java/org/onosproject/store/service/TestEventuallyConsistentMap.java b/core/api/src/test/java/org/onosproject/store/service/TestEventuallyConsistentMap.java
index 4a8dc47..280cffb 100644
--- a/core/api/src/test/java/org/onosproject/store/service/TestEventuallyConsistentMap.java
+++ b/core/api/src/test/java/org/onosproject/store/service/TestEventuallyConsistentMap.java
@@ -86,6 +86,7 @@
         return map.get(key);
     }
 
+    @SuppressWarnings("ReturnValueIgnored")
     @Override
     public void put(K key, V value) {
         map.put(key, value);
diff --git a/core/api/src/test/java/org/onosproject/store/service/WallClockTimestampTest.java b/core/api/src/test/java/org/onosproject/store/service/WallClockTimestampTest.java
index 3f02fef..8ea04fd 100644
--- a/core/api/src/test/java/org/onosproject/store/service/WallClockTimestampTest.java
+++ b/core/api/src/test/java/org/onosproject/store/service/WallClockTimestampTest.java
@@ -30,6 +30,7 @@
  */
 public class WallClockTimestampTest {
 
+    @SuppressWarnings("SelfComparison")
     @Test
     public final void testBasic() throws InterruptedException {
         WallClockTimestamp ts1 = new WallClockTimestamp();