diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSourceImpl.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSourceImpl.java
index 5397496bf834..09d600f26ffe 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSourceImpl.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSourceImpl.java
@@ -180,13 +180,7 @@ public int compareTo(MetricsRegionSource source) {
     if (!(source instanceof MetricsRegionSourceImpl)) {
       return -1;
     }
-
-    MetricsRegionSourceImpl impl = (MetricsRegionSourceImpl) source;
-    if (impl == null) {
-      return -1;
-    }
-
-    return Long.compare(hashCode, impl.hashCode);
+    return Long.compare(hashCode, ((MetricsRegionSourceImpl) source).hashCode);
   }
 
   void snapshot(MetricsRecordBuilder mrb, boolean ignored) {