diff --git a/src/backend/backup/basebackup.c b/src/backend/backup/basebackup.c
index 715428029b3..3bf3aa6faab 100644
--- a/src/backend/backup/basebackup.c
+++ b/src/backend/backup/basebackup.c
@@ -16,7 +16,7 @@
 #include <unistd.h>
 #include <time.h>
 
-#include "access/xlog_internal.h"	/* for pg_backup_start/stop */
+#include "access/xlog_internal.h"
 #include "backup/backup_manifest.h"
 #include "backup/basebackup.h"
 #include "backup/basebackup_sink.h"