diff --git a/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsUserSourceImpl.java b/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsUserSourceImpl.java
index f2c7a21d938..8a72961edad 100644
--- a/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsUserSourceImpl.java
+++ b/hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsUserSourceImpl.java
@@ -37,6 +37,7 @@ public class TestMetricsUserSourceImpl {
   public static final HBaseClassTestRule CLASS_RULE =
       HBaseClassTestRule.forClass(TestMetricsUserSourceImpl.class);
 
+  @SuppressWarnings("SelfComparison")
   @Test
   public void testCompareToHashCodeEquals() throws Exception {
     MetricsRegionServerSourceFactory fact