diff --git a/presto-hive/src/main/java/io/prestosql/plugin/hive/parquet/HdfsParquetDataSource.java b/presto-hive/src/main/java/io/prestosql/plugin/hive/parquet/HdfsParquetDataSource.java
index c809787cdb8a..b052f6aa2d5c 100644
--- a/presto-hive/src/main/java/io/prestosql/plugin/hive/parquet/HdfsParquetDataSource.java
+++ b/presto-hive/src/main/java/io/prestosql/plugin/hive/parquet/HdfsParquetDataSource.java
@@ -103,8 +103,7 @@ public final void readFully(long position, byte[] buffer)
         readFully(position, buffer, 0, buffer.length);
     }
 
-    @Override
-    public final void readFully(long position, byte[] buffer, int bufferOffset, int bufferLength)
+    private void readFully(long position, byte[] buffer, int bufferOffset, int bufferLength)
     {
         readBytes += bufferLength;
 
diff --git a/presto-parquet/src/main/java/io/prestosql/parquet/ParquetDataSource.java b/presto-parquet/src/main/java/io/prestosql/parquet/ParquetDataSource.java
index 3fedf2300759..0d5cb5eff18f 100644
--- a/presto-parquet/src/main/java/io/prestosql/parquet/ParquetDataSource.java
+++ b/presto-parquet/src/main/java/io/prestosql/parquet/ParquetDataSource.java
@@ -30,8 +30,6 @@ public interface ParquetDataSource
 
     void readFully(long position, byte[] buffer);
 
-    void readFully(long position, byte[] buffer, int bufferOffset, int bufferLength);
-
     <K> Map<K, ChunkReader> planRead(Map<K, DiskRange> diskRanges);
 
     @Override