<!--
{
  "availability" : [
    "iOS: 2.0.0 -",
    "iPadOS: 2.0.0 -",
    "macCatalyst: 13.0.0 -",
    "macOS: 10.0.0 -",
    "tvOS: 9.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 2.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Foundation",
  "identifier" : "/documentation/Foundation/NSMutableSet/minus(_:)",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "Foundation"
    ],
    "preciseIdentifier" : "c:objc(cs)NSMutableSet(im)minusSet:"
  },
  "title" : "minus(_:)"
}
-->

# minus(_:)

Removes each object in another given set from the receiving set, if present.

```
func minus(_ otherSet: Set<AnyHashable>)
```

## Parameters

`otherSet`

The set of objects to remove from the receiving set.

## See Also

[`-  removeObject:`](/documentation/Foundation/NSMutableSet/remove(_:))

Removes a given object from the set.

[`-  removeAllObjects`](/documentation/Foundation/NSMutableSet/removeAllObjects())

Empties the set of all of its members.



---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)