diff --git a/frontend/sync-client/src/persistence/persistence.ts b/frontend/sync-client/src/persistence/persistence.ts
index 3e57e0e0..706ae6ff 100644
--- a/frontend/sync-client/src/persistence/persistence.ts
+++ b/frontend/sync-client/src/persistence/persistence.ts
@@ -1,4 +1,4 @@
-export interface PersistenceProvider<T extends object> {
+export interface PersistenceProvider<T> {
 	load: () => Promise<T | undefined>;
-	save: (data: T | undefined) => Promise<void>;
+	save: (data: T) => Promise<void>;
 }