diff --git a/core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala b/core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala
index 4863291b529b..c723a8de8c44 100644
--- a/core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala
@@ -502,7 +502,7 @@ private[history] class FsHistoryProvider(conf: SparkConf, clock: Clock)
     var count: Int = 0
     try {
       val newLastScanTime = clock.getTimeMillis()
-      logInfo(log"Scanning ${MDC(HISTORY_DIR, logDir)} with " +
+      logDebug(log"Scanning ${MDC(HISTORY_DIR, logDir)} with " +
         log"lastScanTime=${MDC(LAST_SCAN_TIME, lastScanTime)}")
 
       // Mark entries that are processing as not stale. Such entries do not have a chance to be