diff --git a/phoenix-core/src/main/java/org/apache/hadoop/hbase/regionserver/IndexHalfStoreFileReader.java b/phoenix-core/src/main/java/org/apache/hadoop/hbase/regionserver/IndexHalfStoreFileReader.java
index 9befc8c..cbc4ed6 100644
--- a/phoenix-core/src/main/java/org/apache/hadoop/hbase/regionserver/IndexHalfStoreFileReader.java
+++ b/phoenix-core/src/main/java/org/apache/hadoop/hbase/regionserver/IndexHalfStoreFileReader.java
@@ -485,14 +485,6 @@
     }
 
     @Override
-    public byte[] getLastKey() {
-        // This method won't get used for the index region. There is no need to call
-        // getClosestRowBefore on the index table. Also this is a split region. Can not be further
-        // split
-        throw new UnsupportedOperationException("Method is not implemented!");
-    }
-
-    @Override
     public byte[] midkey() throws IOException {
         // Returns null to indicate file is not splitable.
         return null;