diff --git a/tests/mkcw.bats b/tests/mkcw.bats
index 5fdd660f7e..ed2b47a2cb 100644
--- a/tests/mkcw.bats
+++ b/tests/mkcw.bats
@@ -22,7 +22,6 @@ function mkcw_check_image() {
 
   # Decrypt, mount, and take a look around.
   uuid=$(cryptsetup luksUUID "$mountpoint"/disk.img)
-  echo "# uuid=$uuid" >&3
   cryptsetup luksOpen --key-file "$TEST_SCRATCH_DIR"/key "$mountpoint"/disk.img "$uuid"
   mkdir -p "$TEST_SCRATCH_DIR"/mount
   mount /dev/mapper/"$uuid" "$TEST_SCRATCH_DIR"/mount