---
title: Publishers.BufferingStrategy.dropOldest
framework: combine
role: symbol
role_heading: Case
path: combine/publishers/bufferingstrategy/dropoldest
---

# Publishers.BufferingStrategy.dropOldest

When the buffer is full, discard the oldest element in the buffer.

## Declaration

```swift
case dropOldest
```

## See Also

### Buffering strategies

- [Publishers.BufferingStrategy.dropNewest](combine/publishers/bufferingstrategy/dropnewest.md)
- [Publishers.BufferingStrategy.customError(_:)](combine/publishers/bufferingstrategy/customerror(_:).md)