diff --git a/kmod/src/format.h b/kmod/src/format.h
index 800d9fab..34ebed1a 100644
--- a/kmod/src/format.h
+++ b/kmod/src/format.h
@@ -595,11 +595,9 @@ struct scoutfs_super_block {
 	__le64 total_meta_blocks;	/* both static and dynamic */
 	__le64 first_meta_blkno;	/* first dynamically allocated */
 	__le64 last_meta_blkno;
-	__le64 free_meta_blocks;
 	__le64 total_data_blocks;
 	__le64 first_data_blkno;
 	__le64 last_data_blkno;
-	__le64 free_data_blocks;
 	__le64 quorum_fenced_term;
 	__le64 quorum_server_term;
 	__le64 unmount_barrier;