diff --git a/src/bin/pg_rewind/datapagemap.h b/src/bin/pg_rewind/datapagemap.h
index 32bbec86f1..66466e093c 100644
--- a/src/bin/pg_rewind/datapagemap.h
+++ b/src/bin/pg_rewind/datapagemap.h
@@ -22,8 +22,6 @@ struct datapagemap
 typedef struct datapagemap datapagemap_t;
 typedef struct datapagemap_iterator datapagemap_iterator_t;
 
-extern datapagemap_t *datapagemap_create(void);
-extern void datapagemap_destroy(datapagemap_t *map);
 extern void datapagemap_add(datapagemap_t *map, BlockNumber blkno);
 extern datapagemap_iterator_t *datapagemap_iterate(datapagemap_t *map);
 extern bool datapagemap_next(datapagemap_iterator_t *iter, BlockNumber *blkno);