# #undef directive

Source: https://ref.dm-lang.org/DM/preprocessor/undef

### Format
> `#undef Name`

### Args
> Name: A macro definition.

The `#undef` statement removes a macro definition.

### See also
- [#define directive](https://ref.dm-lang.org/DM/preprocessor/define/index.md)
- [preprocessor](https://ref.dm-lang.org/DM/preprocessor/index.md)