diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 7aaf8f9..2dc4a6f 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -198,17 +198,16 @@
 			break;
 
 		if (btrfs_check_super_csum(raw_sb)) {
-			printf("%s: invalid checksum at superblock mirror %i\n",
-			       __func__, i);
+			debug("%s: invalid checksum at superblock mirror %i\n",
+			      __func__, i);
 			continue;
 		}
 
 		btrfs_super_block_to_cpu(sb);
 
 		if (sb->magic != BTRFS_MAGIC) {
-			printf("%s: invalid BTRFS magic 0x%016llX at "
-			       "superblock mirror %i\n", __func__, sb->magic,
-			       i);
+			debug("%s: invalid BTRFS magic 0x%016llX at "
+			      "superblock mirror %i\n", __func__, sb->magic, i);
 		} else if (sb->bytenr != superblock_offsets[i]) {
 			printf("%s: invalid bytenr 0x%016llX (expected "
 			       "0x%016llX) at superblock mirror %i\n",
@@ -224,7 +223,7 @@
 	}
 
 	if (!btrfs_info.sb.generation) {
-		printf("%s: No valid BTRFS superblock found!\n", __func__);
+		debug("%s: No valid BTRFS superblock found!\n", __func__);
 		return -1;
 	}