# `GSFont removeUserDataForKey:`

*Instance Method*

Removes user data for a key.

## Declaration

```swift
func removeUserData(forKey key: String)
```

```objc
- (void) removeUserDataForKey:(NSString *) key;
```

```python
removeUserDataForKey_(key: str)
```

## See Also

### User Data

- [`GSFont.userData`](/Core/GlyphsCore/GSFont/userData)
- [`GSFont userDataForKey:`](/Core/GlyphsCore/GSFont/userDataForKey:) — Returns user data for a key, or `nil` if no value is set.
- [`GSFont setUserData:forKey:`](/Core/GlyphsCore/GSFont/setUserData:forKey:) — Sets user data for a key.