diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileScanRDD.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileScanRDD.scala
index d817249005f00..2268a24b5cce0 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileScanRDD.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileScanRDD.scala
@@ -107,7 +107,6 @@ class FileScanRDD(
         val nextElement = currentIterator.next()
         // TODO: we should have a better separation of row based and batch based scan, so that we
         // don't need to run this `if` for every record.
-        val preNumRecordsRead = inputMetrics.recordsRead
         if (nextElement.isInstanceOf[ColumnarBatch]) {
           incTaskInputMetricsBytesRead()
           inputMetrics.incRecordsRead(nextElement.asInstanceOf[ColumnarBatch].numRows())