diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 424949f..86cc1ee 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -1251,10 +1251,8 @@
 			}
 			p = ubh_get_data_ptr(uspi, ubh[i], offsets[i + 1]);
 		}
-		while (i--) {
-			ubh_mark_buffer_dirty(ubh[i]);
+		while (i--)
 			free_branch_tail(inode, offsets[i + 1], ubh[i], depth - i - 1);
-		}
 	}
 	for (i = offsets[0]; i <= UFS_TIND_BLOCK; i++) {
 		p = ufs_get_direct_data_ptr(uspi, ufsi, i);