[Home](./index.md) > [@firebase/installations](./installations.md) > [deleteInstallations](./installations.deleteinstallations.md) ## deleteInstallations() function Deletes the Firebase Installation and all associated data. Signature: ```typescript export declare function deleteInstallations(installations: FirebaseInstallations): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | installations | [FirebaseInstallations](./installations.firebaseinstallations.md) | The Installations instance. | Returns: Promise<void>