# E0037

Warning name: `unused_block_label`

The block or loop label name is never used.

## Erroneous example

```{literalinclude} /sources/error_codes/0037_error/top.mbt
:language: moonbit
```

## Suggestion

Remove the unused label.

```{literalinclude} /sources/error_codes/0037_fixed/top.mbt
:language: moonbit
```